def lattice(data, funcG, funcW, n): #the only option - we need Gkw and Wqnu for self energy in the next iteration
#data.get_Gkw(funcG) #gets Gkw from G0 and Sigma
def func(var, data):
mu = var[0]
dt = data[0]
#print "func call! mu: ", mu, " n: ",dt.ns['up']
n= data[1]
dt.mus['up'] = mu
dt.mus['down'] = dt.mus['up']
dt.get_Gkw_direct(funcG) #gets Gkw from w, mu, epsilon and Sigma and X
dt.get_G_loc() #gets G_loc from Gkw
dt.get_n_from_G_loc()
#print "funcvalue: ",-abs(n - dt.ns['up'])
return 1.0-abs(n - dt.ns['up'])
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
varbest, funcvalue, iterations = amoeba(var=[data.mus['up']],
scale=[0.01],
func=func,
data = [data, n],
itmax=30,
ftolerance=1e-2,
xtolerance=1e-2)
if mpi.is_master_node():
print "mu best: ", varbest
print "-abs(diff n - data.n): ", funcvalue
print "iterations used: ", iterations
data.get_Gtildekw() #gets Gkw-G_loc
data.get_Wqnu_from_func(funcW) #gets Wqnu from P and J
data.get_W_loc() #gets W_loc from Wqnu
data.get_Wtildeqnu() #gets Wqnu-W_loc,
def HT(res):
# First compute the eps_hat array
eps_hat = epsilon_hat(self.dos.eps) if epsilon_hat else numpy.array( [ x* numpy.identity (N1) for x in self.dos.eps] )
assert eps_hat.shape[0] == self.dos.eps.shape[0], "epsilon_hat function behaves incorrectly"
assert eps_hat.shape[1] == eps_hat.shape[2], "epsilon_hat function behaves incorrectly (result not a square matrix)"
assert N1 == eps_hat.shape[1], "Size of Sigma and of epsilon_hat mismatch"
res.zero()
# Perform the sum over eps[i]
tmp, tmp2 = res.copy(), res.copy()
tmp << iOmega_n + mu + eta * 1j
if not(Sigma_fnt):
tmp -= Sigma
if field != None: tmp -= field
# I slice all the arrays on the node. Cf reduce operation below.
for d, e_h, e in itertools.izip (*[mpi.slice_array(A) for A in [self.rho_for_sum, eps_hat, self.dos.eps]]):
tmp2.copy_from(tmp)
tmp2 -= e_h
if Sigma_fnt: tmp2 -= Sigma(e)
tmp2.invert()
tmp2 *= d
res += tmp2
# sum the res GF of all nodes and returns the results on all nodes...
# Cf Boost.mpi.python, collective communicator for documentation.
# The point is that res is pickable, hence can be transmitted between nodes without further code...
res << mpi.all_reduce(mpi.world, res, lambda x, y: x+y)
mpi.barrier()
def __init__(self, archive, *args, **kwargs):
self.archive = archive
if not os.path.exists(archive) and mpi.is_master_node():
archive = HDFArchive(archive, 'w')
archive.create_group('results')
archive['results']['n_dmft_loops'] = 0
del archive
mpi.barrier()
def calc_bandcorr_man(general_parameters, SK, E_kin_dft):
"""
Calculates the correlated kinetic energy from DMFT for target states
and then determines the band correction energy
Parameters
----------
general_parameters : dict
general parameters as a dict
SK : SumK Object instances
E_kin_dft: float
kinetic energy from DFT
__Returns:__
E_bandcorr: float
band energy correction E_kin_dmft - E_kin_dft
"""
E_kin_dmft = 0.0 + 0.0j
E_kin = 0.0 + 0.0j
H_ks = SK.hopping
num_kpts = SK.n_k
# kinetic energy from dmft lattice Greens functions
ikarray = np.array(range(SK.n_k))
for ik in mpi.slice_array(ikarray):
nb = int(SK.n_orbitals[ik])
# calculate lattice greens function
G_iw_lat = SK.lattice_gf(ik,
beta=general_parameters['beta'],
with_Sigma=True,
with_dc=True).copy()
# calculate G(beta) via the function density, which is the same as fourier trafo G(w) and taking G(b)
G_iw_lat_beta = G_iw_lat.density()
# Doing the formula
E_kin += np.trace(
np.dot(
H_ks[ik, 0, :nb, :nb], G_iw_lat_beta['up'][:, :])) + np.trace(
np.dot(H_ks[ik, 0, :nb, :nb], G_iw_lat_beta['down'][:, :]))
E_kin = float(E_kin.real)
# collect data and put into E_kin_dmft
E_kin_dmft = mpi.all_reduce(mpi.world, E_kin, lambda x, y: x + y)
mpi.barrier()
# E_kin should be divided by the number of k-points
E_kin_dmft = E_kin_dmft / num_kpts
if mpi.is_master_node():
print 'Kinetic energy contribution dmft part: ' + str(E_kin_dmft)
E_bandcorr = E_kin_dmft - E_kin_dft
return E_bandcorr
def extract_Gloc(mu):
ret = Gloc.copy()
ret.zero()
Gk = ret.copy()
mu_mat = np.zeros((8, 8))
for i in range(4):
mu_mat[i, i] = mu
mu_mat[i + 4, i + 4] = -mu
nk = Hk_nambu.shape[0]
ikarray = np.array(range(nk))
for ik in mpi.slice_array(ikarray):
Gk['nambu'] << inverse(iOmega_n - Hk_nambu[ik] + mu_mat -
Sigma_orig['nambu'])
ret['nambu'] += Gk['nambu']
mpi.barrier()
ret['nambu'] << mpi.all_reduce(mpi.world, ret['nambu'],
lambda x, y: x + y) / nk
return ret
def density_gf(self,beta):
"""Calculates the density without setting up Gloc. It is useful for Hubbard I, and very fast."""
dens_mat = [ {} for icrsh in xrange(self.n_corr_shells)]
for icrsh in xrange(self.n_corr_shells):
for bl in self.block_names[self.corr_shells[icrsh][4]]:
dens_mat[icrsh][bl] = numpy.zeros([self.corr_shells[icrsh][3],self.corr_shells[icrsh][3]], numpy.complex_)
ikarray=numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
Gupf = self.lattice_gf_matsubara(ik=ik, beta=beta, mu=self.chemical_potential)
Gupf *= self.bz_weights[ik]
dm = Gupf.density()
MMat = [dm[bl] for bl in self.block_names[self.SO]]
for icrsh in range(self.n_corr_shells):
for ibn,bn in enumerate(self.block_names[self.corr_shells[icrsh][4]]):
isp = self.names_to_ind[self.corr_shells[icrsh][4]][bn]
dim = self.corr_shells[icrsh][3]
n_orb = self.n_orbitals[ik,isp]
#print ik, bn, isp
dens_mat[icrsh][bn] += numpy.dot( numpy.dot(self.proj_mat[ik,isp,icrsh,0:dim,0:n_orb],MMat[ibn]),
self.proj_mat[ik,isp,icrsh,0:dim,0:n_orb].transpose().conjugate() )
# get data from nodes:
for icrsh in range(self.n_corr_shells):
for sig in dens_mat[icrsh]:
dens_mat[icrsh][sig] = mpi.all_reduce(mpi.world,dens_mat[icrsh][sig],lambda x,y : x+y)
mpi.barrier()
if (self.symm_op!=0): dens_mat = self.Symm_corr.symmetrize(dens_mat)
# Rotate to local coordinate system:
if (self.use_rotations):
for icrsh in xrange(self.n_corr_shells):
for bn in dens_mat[icrsh]:
if (self.rot_mat_time_inv[icrsh]==1): dens_mat[icrsh][bn] = dens_mat[icrsh][bn].conjugate()
dens_mat[icrsh][bn] = numpy.dot( numpy.dot(self.rot_mat[icrsh].conjugate().transpose(),dens_mat[icrsh][bn]) ,
self.rot_mat[icrsh] )
return dens_mat
def HT(res):
# First compute the eps_hat array
eps_hat = epsilon_hat(
self.dos.eps) if epsilon_hat else numpy.array(
[x * numpy.identity(Sigma.N1) for x in self.dos.eps])
assert eps_hat.shape[0] == self.dos.eps.shape[
0], "epsilon_hat function behaves incorrectly"
assert eps_hat.shape[1] == eps_hat.shape[
2], "epsilon_hat function behaves incorrectly (result not a square matrix)"
assert Sigma.N1 == eps_hat.shape[
1], "Size of Sigma and of epsilon_hat mismatch"
res.zero()
Sigma_fnt = callable(Sigma)
if Sigma_fnt:
assert len(
inspect.getargspec(Sigma)[0]
) == 1, "Sigma function is not of the correct type. See Documentation"
# Perform the sum over eps[i]
tmp, tmp2 = res.copy(), res.copy()
tmp <<= iOmega_n + mu + eta * 1j
if not (Sigma_fnt):
tmp -= Sigma
if field != None: tmp -= field
# I slice all the arrays on the node. Cf reduce operation below.
for d, e_h, e in itertools.izip(*[
mpi.slice_array(A)
for A in [self.rho_for_sum, eps_hat, self.dos.eps]
]):
tmp2.copy_from(tmp)
tmp2 -= e_h
if Sigma_fnt: tmp2 -= Sigma(e)
tmp2.invert()
tmp2 *= d
res += tmp2
# sum the res GF of all nodes and returns the results on all nodes...
# Cf Boost.mpi.python, collective communicator for documentation.
# The point is that res is pickable, hence can be transmitted between nodes without further code...
res <<= mpi.all_reduce(mpi.world, res, lambda x, y: x + y)
mpi.barrier()
def total_density(self, mu):
"""
Calculates the total charge for the energy window for a given mu. Since in general n_orbitals depends on k,
the calculation is done in the following order:
G_aa'(k,iw) -> n(k) = Tr G_aa'(k,iw) -> sum_k n_k
mu: chemical potential
The calculation is done in the global coordinate system, if distinction is made between local/global!
"""
dens = 0.0
ikarray=numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
S = self.lattice_gf_matsubara(ik=ik,mu=mu)
dens += self.bz_weights[ik] * S.total_density()
# collect data from mpi:
dens = mpi.all_reduce(mpi.world,dens,lambda x,y : x+y)
mpi.barrier()
return dens
def get_chi0_wnk(g_wk, nw=1, nwf=None):
r""" Compute the generalized lattice bubble susceptibility
:math:`\chi^{(0)}_{abcd}(\omega, \nu, \mathbf{k})` from the single-particle
Green's function :math:`G_{ab}(\omega, \mathbf{k})`.
Parameters
----------
g_wk : Single-particle Green's function :math:`G_{ab}(\omega, \mathbf{k})`.
nw : Number of bosonic freqiencies in :math:`\chi`.
nwf : Number of fermionic freqiencies in :math:`\chi`.
Returns
-------
chi0_wnk : Generalized lattice bubble susceptibility
:math:`\chi^{(0)}_{abcd}(\omega, \nu, \mathbf{k})`
"""
fmesh = g_wk.mesh.components[0]
kmesh = g_wk.mesh.components[1]
if nwf is None:
nwf = len(fmesh) / 2
mpi.barrier()
mpi.report('g_wk ' + str(g_wk[Idx(2), Idx(0, 0, 0)][0, 0]))
n = np.sum(g_wk.data) / len(kmesh)
mpi.report('n ' + str(n))
mpi.barrier()
mpi.report('--> g_wr from g_wk')
g_wr = fourier_wk_to_wr(g_wk)
mpi.barrier()
mpi.report('g_wr ' + str(g_wr[Idx(2), Idx(0, 0, 0)][0, 0]))
n_r = np.sum(g_wr.data, axis=0)[0]
mpi.report('n_r=0 ' + str(n_r[0, 0]))
mpi.barrier()
mpi.report('--> chi0_wnr from g_wr')
chi0_wnr = chi0r_from_gr_PH(nw=nw, nn=nwf, g_nr=g_wr)
#mpi.report('--> chi0_wnr from g_wr (nompi)')
#chi0_wnr_nompi = chi0r_from_gr_PH_nompi(nw=nw, nn=nwf, g_wr=g_wr)
del g_wr
#abs_diff = np.abs(chi0_wnr.data - chi0_wnr_nompi.data)
#mpi.report('shape = ' + str(abs_diff.shape))
#idx = np.argmax(abs_diff)
#mpi.report('argmax = ' + str(idx))
#diff = np.max(abs_diff)
#mpi.report('diff = %6.6f' % diff)
#del chi0_wnr
#chi0_wnr = chi0_wnr_nompi
#exit()
mpi.barrier()
mpi.report('chi0_wnr ' +
str(chi0_wnr[Idx(0), Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
chi0_r0 = np.sum(chi0_wnr[:, :, Idx(0, 0, 0)].data)
mpi.report('chi0_r0 ' + str(chi0_r0))
mpi.barrier()
mpi.report('--> chi0_wnk from chi0_wnr')
chi0_wnk = chi0q_from_chi0r(chi0_wnr)
del chi0_wnr
mpi.barrier()
mpi.report('chi0_wnk ' +
str(chi0_wnk[Idx(0), Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
chi0 = np.sum(chi0_wnk.data) / len(kmesh)
mpi.report('chi0 = ' + str(chi0))
mpi.barrier()
#if mpi.is_master_node():
if False:
from triqs_tprf.ParameterCollection import ParameterCollection
p = ParameterCollection()
p.g_wk = g_wk
p.g_wr = g_wr
p.chi0_wnr = chi0_wnr
p.chi0_wnk = chi0_wnk
print '--> Writing debug info for BSE'
with HDFArchive('data_debug_bse.h5', 'w') as arch:
arch['p'] = p
mpi.barrier()
return chi0_wnk
def lattice(data, frozen_boson, n, ph_symmetry, accepted_mu_range=[-2.0,2.0]):
def get_n(dt):
dt.get_Gkw_direct() #gets Gkw from w, mu, epsilon and Sigma and X
dt.get_Fkw_direct() #gets Fkw from w, mu, epsilon and Sigma and X
dt.get_G_loc() #gets G_loc from Gkw
dt.get_n_from_G_loc()
if mpi.is_master_node(): print "supercond_hubbard: lattice"
if (n is None) or ((n==0.5) and ph_symmetry):
if n==0.5: #otherwise - nothing to be done
data.mus['up'] = 0
if 'down' in data.fermionic_struct.keys(): data.mus['down'] = data.mus['up']
get_n(data)
else:
def func(var, data):
mu = var[0]
dt = data[0]
#print "func call! mu: ", mu, " n: ",dt.ns['up']
n= data[1]
dt.mus['up'] = mu
if 'down' in dt.fermionic_struct.keys(): dt.mus['down'] = dt.mus['up']
get_n(dt) #print "funcvalue: ",-abs(n - dt.ns['up'])
val = 1.0-abs(n - dt.ns['up'])
if mpi.is_master_node(): print "amoeba func call: val = ",val
if val != val: return -1e+6
else: return val
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if mpi.is_master_node(): print "about to do mu search:"
guesses = [data.mus['up'], 0.0, -0.1, -0.3, -0.4, -0.5, -0.7, 0.3, 0.5, 0.7]
found = False
for l in range(len(guesses)):
varbest, funcvalue, iterations = amoeba(var=[guesses[l]],
scale=[0.01],
func=func,
data = [data, n],
itmax=30,
ftolerance=1e-2,
xtolerance=1e-2,
known_max = 1.0,
known_max_accr = 5e-5)
if (varbest[0]>accepted_mu_range[0] and varbest[0]<accepted_mu_range[1]) and (abs(funcvalue-1.0)<1e-2): #change the bounds for large doping
found = True
func(varbest, [data, n])
break
if l+1 == len(guesses):
if mpi.is_master_node(): print "mu search FAILED: doing a scan..."
mu_grid = numpy.linspace(-1.0,0.3,50)
func_values = [func(var=[mu], data=[data,n]) for mu in mu_grid]
if mpi.is_master_node():
print "func_values: "
for i in range(len(mu_grid)):
print "mu: ",mu_grid[i], " 1-abs(n-n): ", func_values[i]
mui_max = numpy.argmax(func_values)
if mpi.is_master_node(): print "using mu: ", mu_grid[mui_max]
data.mus['up'] = mu_grid[mui_max]
if 'down' in data.fermionic_struct.keys(): data.mus['down'] = data.mus['up']
get_n(data)
if mpi.is_master_node() and found:
print "guesses tried: ", l
print "mu best: ", varbest
print "1-abs(diff n - data.n): ", funcvalue
print "iterations used: ", iterations
data.get_Gtildekw() #gets Gkw-G_loc
if not frozen_boson:
data.get_Wqnu_from_func(func = dict.fromkeys(data.bosonic_struct.keys(), dyson.scalar.W_from_P_and_J)) #gets Wqnu from P and J
data.get_W_loc() #gets W_loc from Wqnu, used in local bubbles
data.get_Wtildeqnu()
def get_G_w_from_A_w(A_w,
w_points,
np_interp_A=None,
np_omega=2000,
w_min=-10,
w_max=10,
broadening_factor=1.0):
r""" Use Kramers-Kronig to determine the retarded Green function :math:`G(\omega)`
This calculates :math:`G(\omega)` from the spectral function :math:`A(\omega)`.
A numerical broadening of :math:`bf * i\Delta\omega`
is used, with the adjustable broadening factor bf (default is 1).
This function normalizes :math:`A(\omega)`.
Use mpi to save time.
Parameters
----------
A_w : array
Real-frequency spectral function.
w_points : array
Real-frequency grid points.
np_interp_A : int
Number of grid points A_w should be interpolated on before
G_w is calculated. The interpolation is performed on a linear
grid with np_interp_A points from min(w_points) to max(w_points).
np_omega : int
Number of equidistant grid points of the output Green function.
w_min : float
Start point of output Green function.
w_max : float
End point of output Green function.
broadening_factor : float
Factor multiplying the broadening :math:`i\Delta\omega`
Returns
-------
G_w : GfReFreq
TRIQS retarded Green function.
"""
shape_A = np.shape(A_w)
if len(shape_A) == 1:
indices = [0]
matrix_valued = False
elif (len(shape_A) == 3) and (shape_A[0] == shape_A[1]):
indices = range(0, shape_A[0])
matrix_valued = True
else:
raise Exception('A_w has wrong shape, must be n x n x n_w')
if w_min > w_max:
raise Exception('w_min must be smaller than w_max')
if np_interp_A:
w_points_interp = np.linspace(np.min(w_points),
np.max(w_points), np_interp_A)
if matrix_valued:
for i in range(shape_A[0]):
for j in range(shape_A[1]):
A_w[i, j, :] = np.interp(w_points_interp,
w_points, A_w[i, j, :])
else:
A_w = np.interp(w_points_interp, w_points, A_w)
w_points = w_points_interp
G_w = GfReFreq(indices=indices, window=(w_min, w_max), n_points=np_omega)
G_w.zero()
iw_points = np.array(range(len(w_points)))
for iw in mpi.slice_array(iw_points):
domega = (w_points[min(len(w_points) - 1, iw + 1)] -
w_points[max(0, iw - 1)]) * 0.5
if matrix_valued:
for i in range(shape_A[0]):
for j in range(shape_A[1]):
G_w[i, j] << G_w[i, j] + A_w[i, j, iw] * \
inverse(Omega - w_points[iw] + 1j * domega * broadening_factor) * domega
else:
G_w << G_w + A_w[iw] * \
inverse(Omega - w_points[iw] + 1j * domega * broadening_factor) * domega
G_w << mpi.all_reduce(mpi.world, G_w, lambda x, y: x + y)
mpi.barrier()
return G_w
def solve_lattice_bse(g_wk, gamma_wnn, tail_corr_nwf=None):
fmesh_g = g_wk.mesh.components[0]
kmesh = g_wk.mesh.components[1]
bmesh = gamma_wnn.mesh.components[0]
fmesh = gamma_wnn.mesh.components[1]
nk = len(kmesh)
nw = (len(bmesh) + 1) / 2
nwf = len(fmesh) / 2
nwf_g = len(fmesh_g) / 2
if mpi.is_master_node():
print tprf_banner(), "\n"
print 'Lattcie BSE with local vertex approximation.\n'
print 'nk =', nk
print 'nw =', nw
print 'nwf =', nwf
print 'nwf_g =', nwf_g
print 'tail_corr_nwf =', tail_corr_nwf
print
if tail_corr_nwf is None:
tail_corr_nwf = nwf
mpi.report('--> chi0_wnk_tail_corr')
chi0_wnk_tail_corr = get_chi0_wnk(g_wk, nw=nw, nwf=tail_corr_nwf)
mpi.report('--> trace chi0_wnk_tail_corr (WARNING! NO TAIL FIT. FIXME!)')
chi0_wk_tail_corr = chi0q_sum_nu_tail_corr_PH(chi0_wnk_tail_corr)
#chi0_wk_tail_corr = chi0q_sum_nu(chi0_wnk_tail_corr)
mpi.barrier()
mpi.report('B1 ' +
str(chi0_wk_tail_corr[Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
mpi.barrier()
mpi.report('--> chi0_wnk_tail_corr to chi0_wnk')
if tail_corr_nwf != nwf:
mpi.report('--> fixed_fermionic_window_python_wnk')
chi0_wnk = fixed_fermionic_window_python_wnk(chi0_wnk_tail_corr,
nwf=nwf)
else:
chi0_wnk = chi0_wnk_tail_corr.copy()
del chi0_wnk_tail_corr
mpi.barrier()
mpi.report('C ' + str(chi0_wnk[Idx(0), Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
mpi.barrier()
mpi.report('--> trace chi0_wnk')
chi0_wk = chi0q_sum_nu(chi0_wnk)
mpi.barrier()
mpi.report('D ' + str(chi0_wk[Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
mpi.barrier()
dchi_wk = chi0_wk_tail_corr - chi0_wk
chi0_kw = Gf(mesh=MeshProduct(kmesh, bmesh),
target_shape=chi0_wk_tail_corr.target_shape)
chi0_kw.data[:] = chi0_wk_tail_corr.data.swapaxes(0, 1)
del chi0_wk
del chi0_wk_tail_corr
assert (chi0_wnk.mesh.components[0] == bmesh)
assert (chi0_wnk.mesh.components[1] == fmesh)
assert (chi0_wnk.mesh.components[2] == kmesh)
# -- Lattice BSE calc with built in trace
mpi.report('--> chi_kw from BSE')
#mpi.report('DEBUG BSE INACTIVE'*72)
chi_kw = chiq_sum_nu_from_chi0q_and_gamma_PH(chi0_wnk, gamma_wnn)
#chi_kw = chi0_kw.copy()
mpi.barrier()
mpi.report('--> chi_kw from BSE (done)')
del chi0_wnk
mpi.report('--> chi_kw tail corrected (using chi0_wnk)')
for k in kmesh:
chi_kw[
k, :] += dchi_wk[:,
k] # -- account for high freq of chi_0 (better than nothing)
del dchi_wk
mpi.report('--> solve_lattice_bse, done.')
return chi_kw, chi0_kw
def afm_heisenberg_calculation(T, Js, dispersion,
n_loops_max=50, rules = [[0, 0.65], [10, 0.3], [15, 0.65]],
n_cycles=100000, max_time=10*60):
if mpi.is_master_node(): print "WELCOME TO AFM HEISENBERG!"
bosonic_struct = {'z': [0], '+-': [0]}
fermionic_struct = {'up': [0], 'down': [0]}
beta = 1.0/T
n_iw = 200
n_tau = int(n_iw*pi)
#init solver
solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
#init data, assign the solver to it
dt = bosonic_data( n_iw = n_iw,
n_q = 256,
beta = beta,
solver = solver,
bosonic_struct = bosonic_struct,
fermionic_struct = fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file")
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = dt.P_imp_iw,
accuracy=3e-5,
struct=bosonic_struct,
archive_name=dt.archive_name ) ]
mixers = [ mixer( mixed_quantity = dt.P_imp_iw,
rules=rules,
func=mixer.mix_gf ),
mixer( mixed_quantity = dt.mus,
rules=rules,
func=mixer.mix_dictionary ) ]
err = 0
for J in Js:
dt.archive_name="edmft.heis_afm.J%s.T%s.out.h5"%(J,T)
convergers[0].archive_name = dt.archive_name
if not (dispersion is None): #this is optional since we're using semi-analytical summation and evaluate chi_loc directly from P
dt.fill_in_qs()
dt.fill_in_Jq( dict.fromkeys(['z','+-'], partial(dispersion, J=J)) )
if mpi.is_master_node():
dt.dump_non_interacting()
preset = edmft_heisenberg_afm(J)
#init the dmft_loop
dmft = dmft_loop( cautionary = preset.cautionary,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = partial( impurity_cthyb, no_fermionic_bath=True, n_cycles=n_cycles, max_time=max_time ),
post_impurity = preset.post_impurity,
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
after_it_is_done = preset.after_it_is_done )
if J == Js[0]: #do this only once!
dt.mus = {'up': 0.1, 'down': -0.1}
safe_and_stupid_scalar_P_imp(safe_value = -preset.cautionary.safe_value['z']*0.95, P_imp=dt.P_imp_iw['z'])
safe_and_stupid_scalar_P_imp(safe_value = -preset.cautionary.safe_value['+-']*0.95, P_imp=dt.P_imp_iw['+-'])
mpi.barrier()
#run dmft!-------------
err += dmft.run(dt, n_loops_max=n_loops_max, n_loops_min=5, print_non_loc=False)
return err
def csc_flow_control(general_parameters, solver_parameters):
"""
function to run the csc cycle. It writes and removes the vasp.lock file to
start and stop Vasp, run the converter, run the dmft cycle and abort the job
if all iterations are finished.
Parameters
----------
general_parameters : dict
general parameters as a dict
solver_parameters : dict
solver parameters as a dict
__Returns:__
nothing
"""
mpi.report(" Waiting for VASP lock to appear...")
while not toolset.is_vasp_lock_present():
time.sleep(1)
# if GAMMA file already exists, load it by doing an extra DFT iteration
if os.path.exists('GAMMA'):
iter= -8
else:
iter = 0
iter_dmft = 0
start_dft = timer()
while iter_dmft < general_parameters['n_iter_dmft']:
mpi.report(" Waiting for VASP lock to disappear...")
mpi.barrier()
#waiting for vasp to finish
while toolset.is_vasp_lock_present():
time.sleep(1)
# check if we should do a dmft iteration now
iter += 1
if (iter-1) % general_parameters['n_iter_dft'] != 0 or iter < 0:
if mpi.is_master_node():
open('./vasp.lock', 'a').close()
continue
# run the converter
if mpi.is_master_node():
end_dft = timer()
# check for plo file for projectors
if not os.path.exists(general_parameters['plo_cfg']):
mpi.report('*** Input PLO config file not found! I was looking for '+str(general_parameters['plo_cfg'])+' ***')
mpi.MPI.COMM_WORLD.Abort(1)
# run plo converter
plo_converter.generate_and_output_as_text(general_parameters['plo_cfg'], vasp_dir='./')
# # create h5 archive or build updated H(k)
Converter = VaspConverter(filename=general_parameters['seedname'])
# convert now h5 archive now
Converter.convert_dft_input()
# if wanted store eigenvalues in h5 archive
if general_parameters['store_dft_eigenvals']:
toolset.store_dft_eigvals(config_file = general_parameters['plo_cfg'],
path_to_h5 = general_parameters['seedname']+'.h5',
iteration = iter_dmft+1)
mpi.barrier()
if mpi.is_master_node():
print
print "="*80
print 'DFT cycle took %10.4f seconds'%(end_dft-start_dft)
print "calling dmft_cycle"
print "DMFT iteration", iter_dmft+1,"/", general_parameters['n_iter_dmft']
print "="*80
print
# if first iteration the h5 archive and observables need to be prepared
if iter_dmft == 0:
observables = dict()
if mpi.is_master_node():
# basic H5 archive checks and setup
h5_archive = HDFArchive(general_parameters['seedname']+'.h5','a')
if not 'DMFT_results' in h5_archive:
h5_archive.create_group('DMFT_results')
if not 'last_iter' in h5_archive['DMFT_results']:
h5_archive['DMFT_results'].create_group('last_iter')
if not 'DMFT_input' in h5_archive:
h5_archive.create_group('DMFT_input')
# prepare observable dicts and files, which is stored on the master node
observables = prep_observables(general_parameters, h5_archive)
observables = mpi.bcast(observables)
if mpi.is_master_node():
start_dmft = timer()
############################################################
# run the dmft_cycle
observables = dmft_cycle(general_parameters, solver_parameters, observables)
############################################################
if iter_dmft == 0:
iter_dmft += general_parameters['n_iter_dmft_first']
else:
iter_dmft += general_parameters['n_iter_dmft_per']
if mpi.is_master_node():
end_dmft = timer()
print
print "="*80
print 'DMFT cycle took %10.4f seconds'%(end_dmft-start_dmft)
print "running VASP now"
print "="*80
print
#######
# remove the lock file and Vasp will be unleashed
if mpi.is_master_node():
open('./vasp.lock', 'a').close()
# start the timer again for the dft loop
if mpi.is_master_node():
start_dft = timer()
# stop if the maximum number of dmft iterations is reached
if mpi.is_master_node():
print "\n Maximum number of iterations reached."
print " Aborting VASP iterations...\n"
f_stop = open('STOPCAR', 'wt')
f_stop.write("LABORT = .TRUE.\n")
f_stop.close()
mpi.MPI.COMM_WORLD.Abort(1)
def dos_wannier_basis(self, mu=None, broadening=None, mesh=None, with_Sigma=True, with_dc=True, save_to_file=True):
"""
Calculates the density of states in the basis of the Wannier functions.
Parameters
----------
mu : double, optional
Chemical potential, overrides the one stored in the hdf5 archive.
broadening : double, optional
Lorentzian broadening of the spectra. If not given, standard value of lattice_gf is used.
mesh : real frequency MeshType, optional
Omega mesh for the real-frequency Green's function. Given as parameter to lattice_gf.
with_Sigma : boolean, optional
If True, the self energy is used for the calculation. If false, the DOS is calculated without self energy.
with_dc : boolean, optional
If True the double counting correction is used.
save_to_file : boolean, optional
If True, text files with the calculated data will be created.
Returns
-------
DOS : Dict of numpy arrays
Contains the full density of states.
DOSproj : Dict of numpy arrays
DOS projected to atoms.
DOSproj_orb : Dict of numpy arrays
DOS projected to atoms and resolved into orbital contributions.
"""
if (mesh is None) and (not with_Sigma):
raise ValueError, "lattice_gf: Give the mesh=(om_min,om_max,n_points) for the lattice GfReFreq."
if mesh is None:
om_mesh = [x.real for x in self.Sigma_imp_w[0].mesh]
om_min = om_mesh[0]
om_max = om_mesh[-1]
n_om = len(om_mesh)
mesh = (om_min, om_max, n_om)
else:
om_min, om_max, n_om = mesh
om_mesh = numpy.linspace(om_min, om_max, n_om)
G_loc = []
for icrsh in range(self.n_corr_shells):
spn = self.spin_block_names[self.corr_shells[icrsh]['SO']]
glist = [GfReFreq(indices=inner, window=(om_min, om_max), n_points=n_om)
for block, inner in self.gf_struct_sumk[icrsh]]
G_loc.append(
BlockGf(name_list=spn, block_list=glist, make_copies=False))
for icrsh in range(self.n_corr_shells):
G_loc[icrsh].zero()
DOS = {sp: numpy.zeros([n_om], numpy.float_)
for sp in self.spin_block_names[self.SO]}
DOSproj = [{} for ish in range(self.n_inequiv_shells)]
DOSproj_orb = [{} for ish in range(self.n_inequiv_shells)]
for ish in range(self.n_inequiv_shells):
for sp in self.spin_block_names[self.corr_shells[self.inequiv_to_corr[ish]]['SO']]:
dim = self.corr_shells[self.inequiv_to_corr[ish]]['dim']
DOSproj[ish][sp] = numpy.zeros([n_om], numpy.float_)
DOSproj_orb[ish][sp] = numpy.zeros(
[n_om, dim, dim], numpy.float_)
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
G_latt_w = self.lattice_gf(
ik=ik, mu=mu, iw_or_w="w", broadening=broadening, mesh=mesh, with_Sigma=with_Sigma, with_dc=with_dc)
G_latt_w *= self.bz_weights[ik]
# Non-projected DOS
for iom in range(n_om):
for bname, gf in G_latt_w:
DOS[bname][iom] -= gf.data[iom, :, :].imag.trace() / \
numpy.pi
# Projected DOS:
for icrsh in range(self.n_corr_shells):
tmp = G_loc[icrsh].copy()
for bname, gf in tmp:
tmp[bname] << self.downfold(ik, icrsh, bname, G_latt_w[
bname], gf) # downfolding G
G_loc[icrsh] += tmp
# Collect data from mpi:
for bname in DOS:
DOS[bname] = mpi.all_reduce(
mpi.world, DOS[bname], lambda x, y: x + y)
for icrsh in range(self.n_corr_shells):
G_loc[icrsh] << mpi.all_reduce(
mpi.world, G_loc[icrsh], lambda x, y: x + y)
mpi.barrier()
# Symmetrize and rotate to local coord. system if needed:
if self.symm_op != 0:
G_loc = self.symmcorr.symmetrize(G_loc)
if self.use_rotations:
for icrsh in range(self.n_corr_shells):
for bname, gf in G_loc[icrsh]:
G_loc[icrsh][bname] << self.rotloc(
icrsh, gf, direction='toLocal')
# G_loc can now also be used to look at orbitally-resolved quantities
for ish in range(self.n_inequiv_shells):
for bname, gf in G_loc[self.inequiv_to_corr[ish]]: # loop over spins
for iom in range(n_om):
DOSproj[ish][bname][iom] -= gf.data[iom,
:, :].imag.trace() / numpy.pi
DOSproj_orb[ish][bname][
:, :, :] -= gf.data[:, :, :].imag / numpy.pi
# Write to files
if save_to_file and mpi.is_master_node():
for sp in self.spin_block_names[self.SO]:
f = open('DOS_wann_%s.dat' % sp, 'w')
for iom in range(n_om):
f.write("%s %s\n" % (om_mesh[iom], DOS[sp][iom]))
f.close()
# Partial
for ish in range(self.n_inequiv_shells):
f = open('DOS_wann_%s_proj%s.dat' % (sp, ish), 'w')
for iom in range(n_om):
f.write("%s %s\n" %
(om_mesh[iom], DOSproj[ish][sp][iom]))
f.close()
# Orbitally-resolved
for i in range(self.corr_shells[self.inequiv_to_corr[ish]]['dim']):
for j in range(i, self.corr_shells[self.inequiv_to_corr[ish]]['dim']):
f = open('DOS_wann_' + sp + '_proj' + str(ish) +
'_' + str(i) + '_' + str(j) + '.dat', 'w')
for iom in range(n_om):
f.write("%s %s\n" % (
om_mesh[iom], DOSproj_orb[ish][sp][iom, i, j]))
f.close()
return DOS, DOSproj, DOSproj_orb
def partial_charges(self, beta=40, mu=None, with_Sigma=True, with_dc=True):
"""
Calculates the orbitally-resolved density matrix for all the orbitals considered in the input, consistent with
the definition of Wien2k. Hence, (possibly non-orthonormal) projectors have to be provided in the partial projectors subgroup of
the hdf5 archive.
Parameters
----------
with_Sigma : boolean, optional
If True, the self energy is used for the calculation. If false, partial charges are calculated without self-energy correction.
beta : double, optional
In case the self-energy correction is not used, the inverse temperature where the calculation should be done has to be given here.
mu : double, optional
Chemical potential, overrides the one stored in the hdf5 archive.
with_dc : boolean, optional
If True the double counting correction is used.
Returns
-------
dens_mat : list of numpy array
A list of density matrices projected to all shells provided in the input.
"""
things_to_read = ['dens_mat_below', 'n_parproj',
'proj_mat_all', 'rot_mat_all', 'rot_mat_all_time_inv']
value_read = self.read_input_from_hdf(
subgrp=self.parproj_data, things_to_read=things_to_read)
if not value_read:
return value_read
if self.symm_op:
self.symmpar = Symmetry(self.hdf_file, subgroup=self.symmpar_data)
spn = self.spin_block_names[self.SO]
ntoi = self.spin_names_to_ind[self.SO]
# Density matrix in the window
self.dens_mat_window = [[numpy.zeros([self.shells[ish]['dim'], self.shells[ish]['dim']], numpy.complex_)
for ish in range(self.n_shells)]
for isp in range(len(spn))]
# Set up G_loc
gf_struct_parproj = [[(sp, range(self.shells[ish]['dim'])) for sp in spn]
for ish in range(self.n_shells)]
if with_Sigma:
G_loc = [BlockGf(name_block_generator=[(block, GfImFreq(indices=inner, mesh=self.Sigma_imp_iw[0].mesh))
for block, inner in gf_struct_parproj[ish]], make_copies=False)
for ish in range(self.n_shells)]
beta = self.Sigma_imp_iw[0].mesh.beta
else:
G_loc = [BlockGf(name_block_generator=[(block, GfImFreq(indices=inner, beta=beta))
for block, inner in gf_struct_parproj[ish]], make_copies=False)
for ish in range(self.n_shells)]
for ish in range(self.n_shells):
G_loc[ish].zero()
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
G_latt_iw = self.lattice_gf(
ik=ik, mu=mu, iw_or_w="iw", beta=beta, with_Sigma=with_Sigma, with_dc=with_dc)
G_latt_iw *= self.bz_weights[ik]
for ish in range(self.n_shells):
tmp = G_loc[ish].copy()
for ir in range(self.n_parproj[ish]):
for bname, gf in tmp:
tmp[bname] << self.downfold(ik, ish, bname, G_latt_iw[
bname], gf, shells='all', ir=ir)
G_loc[ish] += tmp
# Collect data from mpi:
for ish in range(self.n_shells):
G_loc[ish] << mpi.all_reduce(
mpi.world, G_loc[ish], lambda x, y: x + y)
mpi.barrier()
# Symmetrize and rotate to local coord. system if needed:
if self.symm_op != 0:
G_loc = self.symmpar.symmetrize(G_loc)
if self.use_rotations:
for ish in range(self.n_shells):
for bname, gf in G_loc[ish]:
G_loc[ish][bname] << self.rotloc(
ish, gf, direction='toLocal', shells='all')
for ish in range(self.n_shells):
isp = 0
for bname, gf in G_loc[ish]:
self.dens_mat_window[isp][ish] = G_loc[ish].density()[bname]
isp += 1
# Add density matrices to get the total:
dens_mat = [[self.dens_mat_below[ntoi[spn[isp]]][ish] + self.dens_mat_window[isp][ish]
for ish in range(self.n_shells)]
for isp in range(len(spn))]
return dens_mat
def spaghettis(self, broadening=None, plot_shift=0.0, plot_range=None, ishell=None, mu=None, save_to_file='Akw_'):
"""
Calculates the correlated band structure using a real-frequency self energy.
Parameters
----------
mu : double, optional
Chemical potential, overrides the one stored in the hdf5 archive.
broadening : double, optional
Lorentzian broadening of the spectra. If not given, standard value of lattice_gf is used.
plot_shift : double, optional
Offset for each A(k,w) for stacked plotting of spectra.
plot_range : list of double, optional
Sets the energy window for plotting to (plot_range[0],plot_range[1]). If not provided, the energy mesh of the self energy is used.
ishell : integer, optional
Contains the index of the shell on which the spectral function is projected. If ishell=None, the total spectrum without projection is calculated.
save_to_file : string, optional
Filename where the spectra are stored.
Returns
-------
Akw : Dict of numpy arrays
Data as it is also written to the files.
"""
assert hasattr(
self, "Sigma_imp_w"), "spaghettis: Set Sigma_imp_w first."
things_to_read = ['n_k', 'n_orbitals', 'proj_mat',
'hopping', 'n_parproj', 'proj_mat_all']
value_read = self.read_input_from_hdf(
subgrp=self.bands_data, things_to_read=things_to_read)
if not value_read:
return value_read
things_to_read = ['rot_mat_all', 'rot_mat_all_time_inv']
value_read = self.read_input_from_hdf(
subgrp=self.parproj_data, things_to_read=things_to_read)
if not value_read:
return value_read
if mu is None:
mu = self.chemical_potential
spn = self.spin_block_names[self.SO]
mesh = [x.real for x in self.Sigma_imp_w[0].mesh]
n_om = len(mesh)
if plot_range is None:
om_minplot = mesh[0] - 0.001
om_maxplot = mesh[n_om - 1] + 0.001
else:
om_minplot = plot_range[0]
om_maxplot = plot_range[1]
if ishell is None:
Akw = {sp: numpy.zeros([self.n_k, n_om], numpy.float_)
for sp in spn}
else:
Akw = {sp: numpy.zeros(
[self.shells[ishell]['dim'], self.n_k, n_om], numpy.float_) for sp in spn}
if not ishell is None:
gf_struct_parproj = [
(sp, range(self.shells[ishell]['dim'])) for sp in spn]
G_loc = BlockGf(name_block_generator=[(block, GfReFreq(indices=inner, mesh=self.Sigma_imp_w[0].mesh))
for block, inner in gf_struct_parproj], make_copies=False)
G_loc.zero()
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
G_latt_w = self.lattice_gf(
ik=ik, mu=mu, iw_or_w="w", broadening=broadening)
if ishell is None:
# Non-projected A(k,w)
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
for bname, gf in G_latt_w:
Akw[bname][ik, iom] += gf.data[iom, :,
:].imag.trace() / (-1.0 * numpy.pi)
# shift Akw for plotting stacked k-resolved eps(k)
# curves
Akw[bname][ik, iom] += ik * plot_shift
else: # ishell not None
# Projected A(k,w):
G_loc.zero()
tmp = G_loc.copy()
for ir in range(self.n_parproj[ishell]):
for bname, gf in tmp:
tmp[bname] << self.downfold(ik, ishell, bname, G_latt_w[
bname], gf, shells='all', ir=ir)
G_loc += tmp
# Rotate to local frame
if self.use_rotations:
for bname, gf in G_loc:
G_loc[bname] << self.rotloc(
ishell, gf, direction='toLocal', shells='all')
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
for ish in range(self.shells[ishell]['dim']):
for sp in spn:
Akw[sp][ish, ik, iom] = G_loc[sp].data[
iom, ish, ish].imag / (-1.0 * numpy.pi)
# Collect data from mpi
for sp in spn:
Akw[sp] = mpi.all_reduce(mpi.world, Akw[sp], lambda x, y: x + y)
mpi.barrier()
if save_to_file and mpi.is_master_node():
if ishell is None:
for sp in spn: # loop over GF blocs:
# Open file for storage:
f = open(save_to_file + sp + '.dat', 'w')
for ik in range(self.n_k):
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
if plot_shift > 0.0001:
f.write('%s %s\n' %
(mesh[iom], Akw[sp][ik, iom]))
else:
f.write('%s %s %s\n' %
(ik, mesh[iom], Akw[sp][ik, iom]))
f.write('\n')
f.close()
else: # ishell is not None
for sp in spn:
for ish in range(self.shells[ishell]['dim']):
# Open file for storage:
f = open(save_to_file + str(ishell) + '_' +
sp + '_proj' + str(ish) + '.dat', 'w')
for ik in range(self.n_k):
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
if plot_shift > 0.0001:
f.write('%s %s\n' % (
mesh[iom], Akw[sp][ish, ik, iom]))
else:
f.write('%s %s %s\n' % (
ik, mesh[iom], Akw[sp][ish, ik, iom]))
f.write('\n')
f.close()
return Akw
def constr_Sigma_real_axis(self, filename, hdf=True, hdf_dataset='SigmaReFreq',n_om=0,orb=0, tol_mesh=1e-6):
"""Uses Data from files to construct Sigma (or GF) on the real axis."""
if not hdf:
# read sigma from text files
#first get the mesh out of one of the files:
if (len(self.gf_struct_solver[orb][0][1])==1):
Fname = filename+'_'+self.gf_struct_solver[orb][0][0]+'.dat'
else:
Fname = filename+'_'+self.gf_struct_solver[orb][0][0]+'/'+str(self.gf_struct_solver[orb][0][1][0])+'_'+str(self.gf_struct_solver[orb][0][1][0])+'.dat'
R = read_fortran_file(Fname)
mesh = numpy.zeros([n_om],numpy.float_)
try:
for i in xrange(n_om):
mesh[i] = R.next()
sk = R.next()
sk = R.next()
except StopIteration : # a more explicit error if the file is corrupted.
raise "SumkLDA.read_Sigma_ME : reading mesh failed!"
R.close()
# check whether the mesh is uniform
bin = (mesh[n_om-1]-mesh[0])/(n_om-1)
for i in xrange(n_om):
assert abs(i*bin+mesh[0]-mesh[i]) < tol_mesh, 'constr_Sigma_ME: real-axis mesh is non-uniform!'
# construct Sigma
a_list = [a for a,al in self.gf_struct_solver[orb]]
glist = lambda : [ GfReFreq(indices = al, window=(mesh[0],mesh[n_om-1]),n_points=n_om) for a,al in self.gf_struct_solver[orb]]
SigmaME = BlockGf(name_list = a_list, block_list = glist(),make_copies=False)
#read Sigma
for i,g in SigmaME:
mesh=[w for w in g.mesh]
for iL in g.indices:
for iR in g.indices:
if (len(g.indices) == 1):
Fname = filename+'_%s'%(i)+'.dat'
else:
Fname = 'SigmaME_'+'%s'%(i)+'_%s'%(iL)+'_%s'%(iR)+'.dat'
R = read_fortran_file(Fname)
try:
for iom in xrange(n_om):
sk = R.next()
rsig = R.next()
isig = R.next()
g.data[iom,iL,iR]=rsig+1j*isig
except StopIteration : # a more explicit error if the file is corrupted.
raise "SumkLDA.read_Sigma_ME : reading Sigma from file failed!"
R.close()
else:
# read sigma from hdf
omega_min=0.0
omega_max=0.0
n_om=0
if (mpi.is_master_node()):
ar = HDFArchive(filename)
SigmaME = ar[hdf_dataset]
del ar
# we need some parameters to construct Sigma on other nodes
omega_min=SigmaME.mesh.omega_min
omega_max=SigmaME.mesh.omega_max
n_om=len(SigmaME.mesh)
omega_min=mpi.bcast(omega_min)
omega_max=mpi.bcast(omega_max)
n_om=mpi.bcast(n_om)
mpi.barrier()
# construct Sigma on other nodes
if (not mpi.is_master_node()):
a_list = [a for a,al in self.gf_struct_solver[orb]]
glist = lambda : [ GfReFreq(indices = al, window=(omega_min,omega_max),n_points=n_om) for a,al in self.gf_struct_solver[orb]]
SigmaME = BlockGf(name_list = a_list, block_list = glist(),make_copies=False)
# pass SigmaME to other nodes
SigmaME = mpi.bcast(SigmaME)
mpi.barrier()
SigmaME.note='ReFreq'
return SigmaME
def supercond_trilex_tUVJ_calculation(
Ts = [0.12,0.08,0.04,0.02,0.01],
ns=[0.0, 0.2, 0.4, 0.6, 0.8],
ts=[0.25], t_dispersion = epsilonk_square,
Us = [1.0,2.0,3.0,4.0],
Vs = [0.2, 0.5, 1.0, 1.5], V_dispersion = Jq_square,
Js = [0], J_dispersion = Jq_square,
hs = [0],
refresh_X = False,
n_ks = [40],
w_cutoff = 20.0,
n_loops_min = 10, n_loops_max=25, rules = [[0, 0.5], [6, 0.2], [12, 0.65]],
use_cthyb=True, n_cycles=100000, max_time=10*60, accuracy = 1e-4,
initial_guess_archive_name = '', suffix=''):
if mpi.is_master_node(): print "WELCOME TO supercond trilex tUVJ calculation!"
bosonic_struct = {'0': [0], '1': [0]}
if len(Js)==1 and Js[0] == 0:
del bosonic_struct['1']
if len(Vs)==1 and Vs[0] == 0.0:
del bosonic_struct['0']
fermionic_struct = {'up': [0], 'down': [0]}
beta = 1.0/Ts[0]
n_iw = int(((w_cutoff*beta)/math.pi-1.0)/2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ",n_iw
n_tau = int(n_iw*pi)
n_q = n_ks[0]
n_k = n_q
#init solver
if use_cthyb:
solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
else:
print "no solver, quitting..."
quit()
#init data, assign the solver to it
dt = supercond_trilex_data(
n_iw = n_iw,
n_iw_f = n_iw/2,
n_iw_b = n_iw/2,
n_k = n_k,
n_q = n_q,
beta = beta,
solver = solver,
bosonic_struct = bosonic_struct,
fermionic_struct = fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file" )
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = lambda: dt.P_loc_iw,
accuracy=accuracy,
struct=bosonic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_P_loc' ),
converger( monitored_quantity = lambda: dt.G_loc_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_G_loc' ) ]
#initial guess
ps = itertools.product(n_ks,ts,ns,Us,Vs,Js,Ts,hs)
counter = 0
old_nk = n_k
old_beta = beta
for p in ps:
#name stuff to avoid confusion
nk = p[0]
t = p[1]
n = p[2]
U = p[3]
V = p[4]
J = p[5]
T = p[6]
beta = 1.0/T
h = p[7]
if nk!=old_nk:
dt.change_ks(IBZ.k_grid(nk))
old_nk = nk
if beta!=old_beta:
n_iw = int(((w_cutoff*beta)/math.pi-1.0)/2.0)
n_tau = int(n_iw*pi)
dt.change_beta(beta, n_iw)
if trilex:
dt.solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
old_beta = beta
filename = "result"
if len(n_ks)>1: filename += ".nk%s"%nk
if len(ts)>1: filename += ".t%s"%t
if len(ns)>1: filename += ".n%s"%n
if len(Us)>1: filename += ".U%s"%U
if len(Vs)>1: filename += ".V%s"%V
if len(Js)>1: filename += ".J%s"%J
if len(Ts)>1: filename += ".T%s"%T
if len(hs)>1: filename += ".h%s"%h
filename += ".h5"
dt.archive_name = filename
for conv in convergers:
conv.archive_name = dt.archive_name
vks = {'0': lambda kx,ky: V_dispersion(kx,ky,J=V), '1': lambda kx,ky: J_dispersion(kx,ky,J=J)}
dt.fill_in_Jq( vks )
dt.fill_in_epsilonk(dict.fromkeys(fermionic_struct.keys(), partial(t_dispersion, t=t)))
preset = supercond_trilex_tUVJ(n = n, U = U, bosonic_struct = bosonic_struct)
n_w_f=dt.n_iw_f
n_w_b=dt.n_iw_b
if use_cthyb:
impurity = partial( solvers.cthyb.run, no_fermionic_bath=False,
trilex=True, n_w_f=n_w_f, n_w_b=n_w_b,
n_cycles=n_cycles, max_time=max_time )
dt.dump_solver = solvers.cthyb.dump
else: quit()
mixers = [ mixer( mixed_quantity = dt.P_loc_iw,
rules=rules,
func=mixer.mix_gf ),
mixer( mixed_quantity = dt.Sigma_loc_iw,
rules=rules,
func=mixer.mix_gf) ]
#init the dmft_loop
dmft = dmft_loop( cautionary = preset.cautionary,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = impurity,
post_impurity = preset.post_impurity,
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
after_it_is_done = preset.after_it_is_done )
#dt.get_G0kw( func = dict.fromkeys(['up', 'down'], dyson.scalar.G_from_w_mu_epsilon_and_Sigma) )
if (T==Ts[0]): #do this only once!
dt.mus['up'] = dt.mus['down'] = U/2.0
dt.ns['up'] = dt.ns['down'] = n #such that in the first iteration mu is not adjusted
dt.P_imp_iw << 0.0
dt.Sigma_imp_iw << U/2.0 #making sure that in the first iteration the impurity problem is half-filled. if not solving impurity problem, not needed
for U in fermionic_struct.keys(): dt.Sigmakw[U].fill(0)
for U in fermionic_struct.keys(): dt.Xkw[U].fill(0)
if refresh_X:
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
for wi in range(dt.nw):
for U in fermionic_struct.keys():
dt.Xkw[U][wi, kxi, kyi] += X_dwave(dt.ks[kxi],dt.ks[kyi], 1.0)
if h!=0:
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
for wi in range(dt.nw):
for U in fermionic_struct.keys():
dt.hsck[U][kxi, kyi] = X_dwave(dt.ks[kxi],dt.ks[kyi], h)
mpi.barrier()
#run dmft!-------------
err = dmft.run( dt,
n_loops_max=n_loops_max, n_loops_min=n_loops_min,
print_three_leg=1, print_non_local=1,
skip_self_energy_on_first_iteration=True,
last_iteration_err_is_allowed = 18 )
if (err==2): break
counter += 1
return err
def run_all(vasp_pid, dmft_cycle, cfg_file, n_iter):
"""
"""
mpi.report(" Waiting for VASP lock to appear...")
while not is_vasp_lock_present():
time.sleep(1)
vasp_running = True
iter = 0
while vasp_running:
if debug: print bcolors.RED + "rank %s" % (mpi.rank) + bcolors.ENDC
mpi.report(" Waiting for VASP lock to disappear...")
mpi.barrier()
while is_vasp_lock_present():
time.sleep(1)
# if debug: print bcolors.YELLOW + " waiting: rank %s"%(mpi.rank) + bcolors.ENDC
if not is_vasp_running(vasp_pid):
mpi.report(" VASP stopped")
vasp_running = False
break
# Tell VASP to stop if the maximum number of iterations is reached
iter += 1
if iter == n_iter:
if mpi.is_master_node():
print "\n Maximum number of iterations reached."
print " Aborting VASP iterations...\n"
f_stop = open('STOPCAR', 'wt')
f_stop.write("LABORT = .TRUE.\n")
f_stop.close()
if debug: print bcolors.MAGENTA + "rank %s" % (mpi.rank) + bcolors.ENDC
err = 0
exc = None
if debug:
print bcolors.BLUE + "plovasp: rank %s" % (mpi.rank) + bcolors.ENDC
if mpi.is_master_node():
converter.generate_and_output_as_text(cfg_file, vasp_dir='./')
# Read energy from OSZICAR
dft_energy = get_dft_energy()
mpi.barrier()
if debug: print bcolors.GREEN + "rank %s" % (mpi.rank) + bcolors.ENDC
corr_energy, dft_dc = dmft_cycle()
mpi.barrier()
if mpi.is_master_node():
total_energy = dft_energy + corr_energy - dft_dc
print
print "=" * 80
print " Total energy: ", total_energy
print " DFT energy: ", dft_energy
print " Corr. energy: ", corr_energy
print " DFT DC: ", dft_dc
print "=" * 80
print
if mpi.is_master_node() and vasp_running:
open('./vasp.lock', 'a').close()
if mpi.is_master_node():
total_energy = dft_energy + corr_energy - dft_dc
with open('TOTENERGY', 'w') as f:
f.write(" Total energy: %s\n" % (total_energy))
f.write(" DFT energy: %s\n" % (dft_energy))
f.write(" Corr. energy: %s\n" % (corr_energy))
f.write(" DFT DC: %s\n" % (dft_dc))
f.write(" Energy correction: %s\n" % (corr_energy - dft_dc))
mpi.report("***Done")
def spaghettis(self, broadening=None, plot_shift=0.0, plot_range=None, ishell=None, mu=None, save_to_file='Akw_'):
"""
Calculates the correlated band structure using a real-frequency self energy.
Parameters
----------
mu : double, optional
Chemical potential, overrides the one stored in the hdf5 archive.
broadening : double, optional
Lorentzian broadening of the spectra. If not given, standard value of lattice_gf is used.
plot_shift : double, optional
Offset for each A(k,w) for stacked plotting of spectra.
plot_range : list of double, optional
Sets the energy window for plotting to (plot_range[0],plot_range[1]). If not provided, the energy mesh of the self energy is used.
ishell : integer, optional
Contains the index of the shell on which the spectral function is projected. If ishell=None, the total spectrum without projection is calculated.
save_to_file : string, optional
Filename where the spectra are stored.
Returns
-------
Akw : Dict of numpy arrays
Data as it is also written to the files.
"""
assert hasattr(
self, "Sigma_imp_w"), "spaghettis: Set Sigma_imp_w first."
things_to_read = ['n_k', 'n_orbitals', 'proj_mat',
'hopping', 'n_parproj', 'proj_mat_all']
value_read = self.read_input_from_hdf(
subgrp=self.bands_data, things_to_read=things_to_read)
if not value_read:
return value_read
if ishell is not None:
things_to_read = ['rot_mat_all', 'rot_mat_all_time_inv']
value_read = self.read_input_from_hdf(
subgrp=self.parproj_data, things_to_read=things_to_read)
if not value_read:
return value_read
if mu is None:
mu = self.chemical_potential
spn = self.spin_block_names[self.SO]
mesh = [x.real for x in self.Sigma_imp_w[0].mesh]
n_om = len(mesh)
if plot_range is None:
om_minplot = mesh[0] - 0.001
om_maxplot = mesh[n_om - 1] + 0.001
else:
om_minplot = plot_range[0]
om_maxplot = plot_range[1]
if ishell is None:
Akw = {sp: numpy.zeros([self.n_k, n_om], numpy.float_)
for sp in spn}
else:
Akw = {sp: numpy.zeros(
[self.shells[ishell]['dim'], self.n_k, n_om], numpy.float_) for sp in spn}
if not ishell is None:
gf_struct_parproj = [
(sp, range(self.shells[ishell]['dim'])) for sp in spn]
G_loc = BlockGf(name_block_generator=[(block, GfReFreq(indices=inner, mesh=self.Sigma_imp_w[0].mesh))
for block, inner in gf_struct_parproj], make_copies=False)
G_loc.zero()
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
G_latt_w = self.lattice_gf(
ik=ik, mu=mu, iw_or_w="w", broadening=broadening)
if ishell is None:
# Non-projected A(k,w)
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
for bname, gf in G_latt_w:
Akw[bname][ik, iom] += gf.data[iom, :,
:].imag.trace() / (-1.0 * numpy.pi)
# shift Akw for plotting stacked k-resolved eps(k)
# curves
Akw[bname][ik, iom] += ik * plot_shift
else: # ishell not None
# Projected A(k,w):
G_loc.zero()
tmp = G_loc.copy()
for ir in range(self.n_parproj[ishell]):
for bname, gf in tmp:
tmp[bname] << self.downfold(ik, ishell, bname, G_latt_w[
bname], gf, shells='all', ir=ir)
G_loc += tmp
# Rotate to local frame
if self.use_rotations:
for bname, gf in G_loc:
G_loc[bname] << self.rotloc(
ishell, gf, direction='toLocal', shells='all')
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
for ish in range(self.shells[ishell]['dim']):
for sp in spn:
Akw[sp][ish, ik, iom] = G_loc[sp].data[
iom, ish, ish].imag / (-1.0 * numpy.pi)
# Collect data from mpi
for sp in spn:
Akw[sp] = mpi.all_reduce(mpi.world, Akw[sp], lambda x, y: x + y)
mpi.barrier()
if save_to_file and mpi.is_master_node():
if ishell is None:
for sp in spn: # loop over GF blocs:
# Open file for storage:
f = open(save_to_file + sp + '.dat', 'w')
for ik in range(self.n_k):
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
if plot_shift > 0.0001:
f.write('%s %s\n' %
(mesh[iom], Akw[sp][ik, iom]))
else:
f.write('%s %s %s\n' %
(ik, mesh[iom], Akw[sp][ik, iom]))
f.write('\n')
f.close()
else: # ishell is not None
for sp in spn:
for ish in range(self.shells[ishell]['dim']):
# Open file for storage:
f = open(save_to_file + str(ishell) + '_' +
sp + '_proj' + str(ish) + '.dat', 'w')
for ik in range(self.n_k):
for iom in range(n_om):
if (mesh[iom] > om_minplot) and (mesh[iom] < om_maxplot):
if plot_shift > 0.0001:
f.write('%s %s\n' % (
mesh[iom], Akw[sp][ish, ik, iom]))
else:
f.write('%s %s %s\n' % (
ik, mesh[iom], Akw[sp][ish, ik, iom]))
f.write('\n')
f.close()
return Akw
def pm_hubbard_calculation( T, Us, mutildes, dispersion, #necessary to partially evaluate dispersion!!! the calculation does not need to know about t
rules = [[0, 0.5], [3, 0.0], [10, 0.65]], n_loops_max=25,
n_cycles=20000, max_time=10*60):
if mpi.is_master_node(): print "WELCOME TO PM HUBBARD!"
fermionic_struct = {'up': [0], 'down': [0]}
beta = 1.0/T
n_iw = 200
n_tau = int(n_iw*pi)
n_k = 32
#init solver
solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
#init data, assign the solver to it
dt = fermionic_data( n_iw = n_iw,
n_k = n_k,
beta = beta,
solver = solver,
bosonic_struct = {},
fermionic_struct = fermionic_struct,
archive_name="nothing_yet_if_you_see_this_file_something_went wrong" )
dt.fill_in_ks()
dt.fill_in_epsilonk(dict.fromkeys(['up','down'], dispersion) )
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = dt.Sigma_imp_iw,
accuracy=3e-3,
struct=fermionic_struct,
archive_name=dt.archive_name ) ]
mixers = [ mixer( mixed_quantity = dt.Sigma_imp_iw,
rules=rules,
func=mixer.mix_gf ) ]
mpi.barrier()
#run dmft!-------------
err = 0
for U in Us:
for mutilde in mutildes:
dt.mus['up'] = dt.mus['down'] = mutilde + U/2.0 #necessary input! by default 0
dt.archive_name = "dmft.hubb_pm.U%s.mutilde%s.T%s.h5"%(U,mutilde,T)
convergers[0].archive_name = dt.archive_name
if mpi.is_master_node():
dt.dump_non_interacting()
preset = dmft_hubbard_pm(U)
#init the dmft_loop
dmft = dmft_loop( cautionary = None,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = partial( impurity_cthyb, no_fermionic_bath=False, n_cycles=n_cycles, max_time=max_time ),
post_impurity = preset.post_impurity,
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
after_it_is_done = preset.after_it_is_done )
if U==Us[0]:
dt.Sigma_imp_iw << mutilde+U/2.0 #initial guess only at the beginning, continues from the previous solution
err += dmft.run(dt, n_loops_max=n_loops_max, n_loops_min=5)
return err #number of failed calculations
def dos_wannier_basis(self, mu=None, broadening=None, mesh=None, with_Sigma=True, with_dc=True, save_to_file=True):
"""
Calculates the density of states in the basis of the Wannier functions.
Parameters
----------
mu : double, optional
Chemical potential, overrides the one stored in the hdf5 archive.
broadening : double, optional
Lorentzian broadening of the spectra. If not given, standard value of lattice_gf is used.
mesh : real frequency MeshType, optional
Omega mesh for the real-frequency Green's function. Given as parameter to lattice_gf.
with_Sigma : boolean, optional
If True, the self energy is used for the calculation. If false, the DOS is calculated without self energy.
with_dc : boolean, optional
If True the double counting correction is used.
save_to_file : boolean, optional
If True, text files with the calculated data will be created.
Returns
-------
DOS : Dict of numpy arrays
Contains the full density of states.
DOSproj : Dict of numpy arrays
DOS projected to atoms.
DOSproj_orb : Dict of numpy arrays
DOS projected to atoms and resolved into orbital contributions.
"""
if (mesh is None) and (not with_Sigma):
raise ValueError, "lattice_gf: Give the mesh=(om_min,om_max,n_points) for the lattice GfReFreq."
if mesh is None:
om_mesh = [x.real for x in self.Sigma_imp_w[0].mesh]
om_min = om_mesh[0]
om_max = om_mesh[-1]
n_om = len(om_mesh)
mesh = (om_min, om_max, n_om)
else:
om_min, om_max, n_om = mesh
om_mesh = numpy.linspace(om_min, om_max, n_om)
G_loc = []
for icrsh in range(self.n_corr_shells):
spn = self.spin_block_names[self.corr_shells[icrsh]['SO']]
glist = [GfReFreq(indices=inner, window=(om_min, om_max), n_points=n_om)
for block, inner in self.gf_struct_sumk[icrsh]]
G_loc.append(
BlockGf(name_list=spn, block_list=glist, make_copies=False))
for icrsh in range(self.n_corr_shells):
G_loc[icrsh].zero()
DOS = {sp: numpy.zeros([n_om], numpy.float_)
for sp in self.spin_block_names[self.SO]}
DOSproj = [{} for ish in range(self.n_inequiv_shells)]
DOSproj_orb = [{} for ish in range(self.n_inequiv_shells)]
for ish in range(self.n_inequiv_shells):
for sp in self.spin_block_names[self.corr_shells[self.inequiv_to_corr[ish]]['SO']]:
dim = self.corr_shells[self.inequiv_to_corr[ish]]['dim']
DOSproj[ish][sp] = numpy.zeros([n_om], numpy.float_)
DOSproj_orb[ish][sp] = numpy.zeros(
[n_om, dim, dim], numpy.complex_)
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
G_latt_w = self.lattice_gf(
ik=ik, mu=mu, iw_or_w="w", broadening=broadening, mesh=mesh, with_Sigma=with_Sigma, with_dc=with_dc)
G_latt_w *= self.bz_weights[ik]
# Non-projected DOS
for iom in range(n_om):
for bname, gf in G_latt_w:
DOS[bname][iom] -= gf.data[iom, :, :].imag.trace() / \
numpy.pi
# Projected DOS:
for icrsh in range(self.n_corr_shells):
tmp = G_loc[icrsh].copy()
for bname, gf in tmp:
tmp[bname] << self.downfold(ik, icrsh, bname, G_latt_w[
bname], gf) # downfolding G
G_loc[icrsh] += tmp
# Collect data from mpi:
for bname in DOS:
DOS[bname] = mpi.all_reduce(
mpi.world, DOS[bname], lambda x, y: x + y)
for icrsh in range(self.n_corr_shells):
G_loc[icrsh] << mpi.all_reduce(
mpi.world, G_loc[icrsh], lambda x, y: x + y)
mpi.barrier()
# Symmetrize and rotate to local coord. system if needed:
if self.symm_op != 0:
G_loc = self.symmcorr.symmetrize(G_loc)
if self.use_rotations:
for icrsh in range(self.n_corr_shells):
for bname, gf in G_loc[icrsh]:
G_loc[icrsh][bname] << self.rotloc(
icrsh, gf, direction='toLocal')
# G_loc can now also be used to look at orbitally-resolved quantities
for ish in range(self.n_inequiv_shells):
for bname, gf in G_loc[self.inequiv_to_corr[ish]]: # loop over spins
for iom in range(n_om):
DOSproj[ish][bname][iom] -= gf.data[iom,
:, :].imag.trace() / numpy.pi
DOSproj_orb[ish][bname][
:, :, :] += (1.0j*(gf-gf.conjugate().transpose())/2.0/numpy.pi).data[:,:,:]
# Write to files
if save_to_file and mpi.is_master_node():
for sp in self.spin_block_names[self.SO]:
f = open('DOS_wann_%s.dat' % sp, 'w')
for iom in range(n_om):
f.write("%s %s\n" % (om_mesh[iom], DOS[sp][iom]))
f.close()
# Partial
for ish in range(self.n_inequiv_shells):
f = open('DOS_wann_%s_proj%s.dat' % (sp, ish), 'w')
for iom in range(n_om):
f.write("%s %s\n" %
(om_mesh[iom], DOSproj[ish][sp][iom]))
f.close()
# Orbitally-resolved
for i in range(self.corr_shells[self.inequiv_to_corr[ish]]['dim']):
for j in range(i, self.corr_shells[self.inequiv_to_corr[ish]]['dim']):
f = open('DOS_wann_' + sp + '_proj' + str(ish) +
'_' + str(i) + '_' + str(j) + '.dat', 'w')
for iom in range(n_om):
f.write("%s %s %s\n" % (
om_mesh[iom], DOSproj_orb[ish][sp][iom, i, j].real,DOSproj_orb[ish][sp][iom, i, j].imag))
f.close()
return DOS, DOSproj, DOSproj_orb
delta_mix = 1.0 # Mixing factor of Delta as input for the AIM
dc_type = 0 # DC type: 0 FLL, 1 Held, 2 AMF
use_blocks = True # use bloc structure from DFT input
prec_mu = 0.0001
h_field = 0.0
# Solver parameters
p = {}
p["max_time"] = -1
p["length_cycle"] = 50
p["n_warmup_cycles"] = 50
p["n_cycles"] = 5000
Converter = Wien2kConverter(filename=dft_filename, repacking=True)
Converter.convert_dft_input()
mpi.barrier()
previous_runs = 0
previous_present = False
if mpi.is_master_node():
f = HDFArchive(dft_filename+'.h5','a')
if 'dmft_output' in f:
ar = f['dmft_output']
if 'iterations' in ar:
previous_present = True
previous_runs = ar['iterations']
else:
f.create_group('dmft_output')
del f
previous_runs = mpi.bcast(previous_runs)
previous_present = mpi.bcast(previous_present)
def partial_charges(self, beta=40, mu=None, with_Sigma=True, with_dc=True):
"""
Calculates the orbitally-resolved density matrix for all the orbitals considered in the input, consistent with
the definition of Wien2k. Hence, (possibly non-orthonormal) projectors have to be provided in the partial projectors subgroup of
the hdf5 archive.
Parameters
----------
with_Sigma : boolean, optional
If True, the self energy is used for the calculation. If false, partial charges are calculated without self-energy correction.
beta : double, optional
In case the self-energy correction is not used, the inverse temperature where the calculation should be done has to be given here.
mu : double, optional
Chemical potential, overrides the one stored in the hdf5 archive.
with_dc : boolean, optional
If True the double counting correction is used.
Returns
-------
dens_mat : list of numpy array
A list of density matrices projected to all shells provided in the input.
"""
things_to_read = ['dens_mat_below', 'n_parproj',
'proj_mat_all', 'rot_mat_all', 'rot_mat_all_time_inv']
value_read = self.read_input_from_hdf(
subgrp=self.parproj_data, things_to_read=things_to_read)
if not value_read:
return value_read
if self.symm_op:
self.symmpar = Symmetry(self.hdf_file, subgroup=self.symmpar_data)
spn = self.spin_block_names[self.SO]
ntoi = self.spin_names_to_ind[self.SO]
# Density matrix in the window
self.dens_mat_window = [[numpy.zeros([self.shells[ish]['dim'], self.shells[ish]['dim']], numpy.complex_)
for ish in range(self.n_shells)]
for isp in range(len(spn))]
# Set up G_loc
gf_struct_parproj = [[(sp, range(self.shells[ish]['dim'])) for sp in spn]
for ish in range(self.n_shells)]
if with_Sigma:
G_loc = [BlockGf(name_block_generator=[(block, GfImFreq(indices=inner, mesh=self.Sigma_imp_iw[0].mesh))
for block, inner in gf_struct_parproj[ish]], make_copies=False)
for ish in range(self.n_shells)]
beta = self.Sigma_imp_iw[0].mesh.beta
else:
G_loc = [BlockGf(name_block_generator=[(block, GfImFreq(indices=inner, beta=beta))
for block, inner in gf_struct_parproj[ish]], make_copies=False)
for ish in range(self.n_shells)]
for ish in range(self.n_shells):
G_loc[ish].zero()
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
G_latt_iw = self.lattice_gf(
ik=ik, mu=mu, iw_or_w="iw", beta=beta, with_Sigma=with_Sigma, with_dc=with_dc)
G_latt_iw *= self.bz_weights[ik]
for ish in range(self.n_shells):
tmp = G_loc[ish].copy()
for ir in range(self.n_parproj[ish]):
for bname, gf in tmp:
tmp[bname] << self.downfold(ik, ish, bname, G_latt_iw[
bname], gf, shells='all', ir=ir)
G_loc[ish] += tmp
# Collect data from mpi:
for ish in range(self.n_shells):
G_loc[ish] << mpi.all_reduce(
mpi.world, G_loc[ish], lambda x, y: x + y)
mpi.barrier()
# Symmetrize and rotate to local coord. system if needed:
if self.symm_op != 0:
G_loc = self.symmpar.symmetrize(G_loc)
if self.use_rotations:
for ish in range(self.n_shells):
for bname, gf in G_loc[ish]:
G_loc[ish][bname] << self.rotloc(
ish, gf, direction='toLocal', shells='all')
for ish in range(self.n_shells):
isp = 0
for bname, gf in G_loc[ish]:
self.dens_mat_window[isp][ish] = G_loc[ish].density()[bname]
isp += 1
# Add density matrices to get the total:
dens_mat = [[self.dens_mat_below[ntoi[spn[isp]]][ish] + self.dens_mat_window[isp][ish]
for ish in range(self.n_shells)]
for isp in range(len(spn))]
return dens_mat
def pm_tUV_trilex_calculation( T,
mutildes=[0.0],
ns = [0.5, 0.53, 0.55, 0.57], fixed_n = False,
ts=[0.25], t_dispersion = epsilonk_square, ph_symmetry = True,
Us = [1.0], alpha=2.0/3.0, ising = False,
Vs = [0.0], V_dispersion = Jq_square,
nk = 24,
n_loops_min = 5, n_loops_max=25, rules = [[0, 0.5], [6, 0.2], [12, 0.65]],
trilex = True,
use_cthyb=True, n_cycles=100000, max_time=10*60,
initial_guess_archive_name = '', suffix=''):
if mpi.is_master_node(): print "WELCOME TO PM tUV trilex calculation!"
bosonic_struct = {'0': [0], '1': [0]}
if not ising:
if alpha==2.0/3.0:
del bosonic_struct['1']
if alpha==1.0/3.0:
del bosonic_struct['0']
else:
if alpha==1.0:
del vks['1']
if alpha==0.0:
del vks['0']
fermionic_struct = {'up': [0], 'down': [0]}
beta = 1.0/T
n_iw = int(((30.0*beta)/math.pi-1.0)/2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ",n_iw
n_tau = int(n_iw*pi)
n_q = nk
n_k = n_q
#init solver
solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
#init data, assign the solver to it
dt = GW_data( n_iw = n_iw,
n_k = n_k,
n_q = n_q,
beta = beta,
solver = solver,
bosonic_struct = bosonic_struct,
fermionic_struct = fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file" )
if trilex:
dt.__class__ = trilex_data
dt.promote( n_iw_f = n_iw/2,
n_iw_b = n_iw/2 )
if not trilex:
dt.get_Sigmakw = partial(dt.get_Sigmakw, imtime = True)
dt.get_Pqnu = partial(dt.get_Pqnu, imtime = True)
#dt.get_Sigma_loc_from_local_bubble = partial(dt.get_Sigma_loc_from_local_bubble, imtime = True)
#dt.get_P_loc_from_local_bubble = partial(dt.get_P_loc_from_local_bubble, imtime = True)
if ising:
dt.get_Sigmakw = partial(dt.get_Sigmakw, ising_decoupling = True )
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = lambda: dt.P_imp_iw,
accuracy=1e-4,
struct=bosonic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_P_imp' ),
converger( monitored_quantity = lambda: dt.G_imp_iw,
accuracy=1e-4,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_G_imp' ) ]
mixers = [ mixer( mixed_quantity = dt.P_imp_iw,
rules=rules,
func=mixer.mix_gf ),
mixer( mixed_quantity = dt.Sigma_imp_iw,
rules=rules,
func=mixer.mix_gf) ]
monitors = [ monitor( monitored_quantity = lambda: dt.ns['up'],
h5key = 'n_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.mus['up'],
h5key = 'mu_vs_it',
archive_name = dt.archive_name) ]
err = 0
#initial guess
if fixed_n:
ps = itertools.product(ns,ts,Us,Vs)
else:
ps = itertools.product(mutildes,ts,Us,Vs)
counter = 0
for p in ps:
#name stuff to avoid confusion
if fixed_n:
n = p[0]
mutilde = None
else:
mutilde = p[0]
n = None
t = p[1]
U = p[2]
V = p[3]
filename = "result"
if len(mutildes)>1 and not fixed_n: filename += ".mutilde%s"%mutilde
if len(ns)>1 and fixed_n: filename += ".n%s"%n
if len(ts)>1: filename += ".t%s"%t
if len(Us)>1: filename += ".U%s"%U
if len(Vs)>1: filename += ".V%s"%V
filename += ".h5"
dt.archive_name = filename
for conv in convergers:
conv.archive_name = dt.archive_name
if not ising:
Uch = (3.0*alpha-1.0)*U
Usp = (alpha-2.0/3.0)*U
else:
Uch = alpha*U
Usp = (alpha-1.0)*U
vks = {'0': lambda kx,ky: Uch + V_dispersion(kx,ky,J=V), '1': lambda kx,ky: Usp}
if not ising:
if alpha==2.0/3.0:
del vks['1']
if alpha==1.0/3.0:
del vks['0']
else:
if alpha==1.0:
del vks['1']
if alpha==0.0:
del vks['0']
dt.fill_in_Jq( vks )
dt.fill_in_epsilonk(dict.fromkeys(['up','down'], partial(t_dispersion, t=t)))
if trilex:
preset = trilex_hubbard_pm(mutilde=mutilde, U=U, alpha=alpha, bosonic_struct=bosonic_struct, ising = ising, n=n, ph_symmetry=ph_symmetry)
else:
preset = GW_hubbard_pm(mutilde=mutilde, U=U, alpha=alpha, bosonic_struct=bosonic_struct, ising = ising, n=n, ph_symmetry=ph_symmetry)
#preset.cautionary.get_safe_values(dt.Jq, dt.bosonic_struct, n_q, n_q)
if mpi.is_master_node():
print "U = ",U," alpha= ",alpha, "Uch= ",Uch," Usp=",Usp," mutilde= ",mutilde
#print "cautionary safe values: ",preset.cautionary.safe_value
impurity = partial( solvers.cthyb.run, no_fermionic_bath=False,
trilex=trilex, n_w_f=dt.n_iw_f if trilex else 2, n_w_b=dt.n_iw_b if trilex else 2,
n_cycles=n_cycles, max_time=max_time )
dt.dump_solver = solvers.cthyb.dump
#init the dmft_loop
dmft = dmft_loop( cautionary = preset.cautionary,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = impurity,
post_impurity = partial( preset.post_impurity ),
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
after_it_is_done = preset.after_it_is_done )
#dt.get_G0kw( func = dict.fromkeys(['up', 'down'], dyson.scalar.G_from_w_mu_epsilon_and_Sigma) )
if counter==0: #do this only once!
if mutilde is None:
mu = n*U
else:
mu = mutilde+U/2.0
dt.mus['up'] = dt.mus['down'] = mu
dt.P_imp_iw << 0.0
#for A in bosonic_struct.keys():
# if preset.cautionary.safe_value[A] < 0.0:
# safe_and_stupid_scalar_P_imp(safe_value = preset.cautionary.safe_value[A]*0.95, P_imp=dt.P_imp_iw[A])
dt.Sigma_imp_iw << mu #making sure that in the first iteration Delta is close to half-filled
if initial_guess_archive_name!='':
dt.load_initial_guess_from_file(initial_guess_archive_name, suffix)
#dt.load_initial_guess_from_file("/home/jvucicev/TRIQS/run/sc_scripts/Archive_Vdecoupling/edmft.mutilde0.0.t0.25.U3.0.V2.0.J0.0.T0.01.h5")
mpi.barrier()
#run dmft!-------------
err += dmft.run(dt, n_loops_max=n_loops_max, n_loops_min=n_loops_min, print_non_local=True)
counter += 1
return err
h = Histogram(0, 10)
h << x
else:
h, h_ref = None, None
h = mpi.bcast(h)
h_ref = mpi.bcast(h_ref)
for rank in xrange(mpi.size):
if rank == mpi.rank:
print '-'*72
print 'rank =', mpi.rank
print 'h =\n', h
print 'h_ref =\n', h_ref
# -- Compare h and h_ref
pts = np.array([ int(h.mesh_point(idx)) for idx in xrange(len(h))])
for pt, val in zip(pts, h.data):
val = int(val)
#print pt, val
if val > 0:
assert( val == h_ref[pt] )
else:
assert( not h_ref.has_key(pt) )
mpi.barrier()
def extract_G_loc(self, mu=None, with_Sigma = True):
"""
extracts the local downfolded Green function at the chemical potential of the class.
At the end, the local G is rotated from the gloabl coordinate system to the local system.
if with_Sigma = False: Sigma is not included => non-interacting local GF
"""
if (mu is None): mu = self.chemical_potential
Gloc = [ self.Sigma_imp[icrsh].copy() for icrsh in xrange(self.n_corr_shells) ] # this list will be returned
for icrsh in xrange(self.n_corr_shells): Gloc[icrsh].zero() # initialize to zero
beta = Gloc[0].mesh.beta
ikarray=numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
S = self.lattice_gf_matsubara(ik=ik,mu=mu,with_Sigma = with_Sigma, beta = beta)
S *= self.bz_weights[ik]
for icrsh in xrange(self.n_corr_shells):
tmp = Gloc[icrsh].copy() # init temporary storage
for sig,gf in tmp: tmp[sig] <<= self.downfold(ik,icrsh,sig,S[sig],gf)
Gloc[icrsh] += tmp
#collect data from mpi:
for icrsh in xrange(self.n_corr_shells):
Gloc[icrsh] <<= mpi.all_reduce(mpi.world,Gloc[icrsh],lambda x,y : x+y)
mpi.barrier()
# Gloc[:] is now the sum over k projected to the local orbitals.
# here comes the symmetrisation, if needed:
if (self.symm_op!=0): Gloc = self.Symm_corr.symmetrize(Gloc)
# Gloc is rotated to the local coordinate system:
if (self.use_rotations):
for icrsh in xrange(self.n_corr_shells):
for sig,gf in Gloc[icrsh]: Gloc[icrsh][sig] <<= self.rotloc(icrsh,gf,direction='toLocal')
# transform to CTQMC blocks:
Glocret = [ BlockGf( name_block_generator = [ (a,GfImFreq(indices = al, mesh = Gloc[0].mesh)) for a,al in self.gf_struct_solver[i] ],
make_copies = False) for i in xrange(self.n_inequiv_corr_shells) ]
for ish in xrange(self.n_inequiv_corr_shells):
# setting up the index map:
map_ind={}
cnt = {}
for blname in self.map[ish]:
cnt[blname] = 0
for a,al in self.gf_struct_solver[ish]:
blname = self.map_inv[ish][a]
map_ind[a] = range(len(al))
for i in al:
map_ind[a][i] = cnt[blname]
cnt[blname]+=1
for ibl in range(len(self.gf_struct_solver[ish])):
for i in range(len(self.gf_struct_solver[ish][ibl][1])):
for j in range(len(self.gf_struct_solver[ish][ibl][1])):
bl = self.gf_struct_solver[ish][ibl][0]
ind1 = self.gf_struct_solver[ish][ibl][1][i]
ind2 = self.gf_struct_solver[ish][ibl][1][j]
ind1_imp = map_ind[bl][ind1]
ind2_imp = map_ind[bl][ind2]
Glocret[ish][bl][ind1,ind2] <<= Gloc[self.invshellmap[ish]][self.map_inv[ish][bl]][ind1_imp,ind2_imp]
# return only the inequivalent shells:
return Glocret
def partial_charges(self, beta=40):
"""Calculates the orbitally-resolved density matrix for all the orbitals considered in the input.
The theta-projectors are used, hence case.parproj data is necessary"""
#thingstoread = ['Dens_Mat_below','N_parproj','Proj_Mat_pc','rotmat_all']
#retval = self.read_input_from_HDF(SubGrp=self.par_proj_data,thingstoread=thingstoread)
retval = self.read_par_proj_input_from_hdf()
if not retval: return retval
if self.symm_op:
self.Symm_par = Symmetry(self.hdf_file,
subgroup=self.symm_par_data)
# Density matrix in the window
bln = self.block_names[self.SO]
ntoi = self.names_to_ind[self.SO]
self.dens_mat_window = [[
numpy.zeros([self.shells[ish][3], self.shells[ish][3]],
numpy.complex_) for ish in range(self.n_shells)
] for isp in range(len(bln))] # init the density matrix
mu = self.chemical_potential
GFStruct_proj = [[(al, range(self.shells[i][3])) for al in bln]
for i in xrange(self.n_shells)]
if hasattr(self, "Sigma_imp"):
Gproj = [
BlockGf(name_block_generator=[
(a, GfImFreq(indices=al, mesh=self.Sigma_imp[0].mesh))
for a, al in GFStruct_proj[ish]
],
make_copies=False) for ish in xrange(self.n_shells)
]
beta = self.Sigma_imp[0].mesh.beta
else:
Gproj = [
BlockGf(name_block_generator=[(a,
GfImFreq(indices=al, beta=beta))
for a, al in GFStruct_proj[ish]],
make_copies=False) for ish in xrange(self.n_shells)
]
for ish in xrange(self.n_shells):
Gproj[ish].zero()
ikarray = numpy.array(range(self.n_k))
#print mpi.rank, mpi.slice_array(ikarray)
#print "K-Sum starts on node",mpi.rank," at ",datetime.now()
for ik in mpi.slice_array(ikarray):
#print mpi.rank, ik, datetime.now()
S = self.lattice_gf_matsubara(ik=ik, mu=mu, beta=beta)
S *= self.bz_weights[ik]
for ish in xrange(self.n_shells):
tmp = Gproj[ish].copy()
for ir in xrange(self.n_parproj[ish]):
for sig, gf in tmp:
tmp[sig] <<= self.downfold_pc(ik, ir, ish, sig, S[sig],
gf)
Gproj[ish] += tmp
#print "K-Sum done on node",mpi.rank," at ",datetime.now()
#collect data from mpi:
for ish in xrange(self.n_shells):
Gproj[ish] <<= mpi.all_reduce(mpi.world, Gproj[ish],
lambda x, y: x + y)
mpi.barrier()
#print "Data collected on node",mpi.rank," at ",datetime.now()
# Symmetrisation:
if (self.symm_op != 0): Gproj = self.Symm_par.symmetrize(Gproj)
#print "Symmetrisation done on node",mpi.rank," at ",datetime.now()
for ish in xrange(self.n_shells):
# Rotation to local:
if (self.use_rotations):
for sig, gf in Gproj[ish]:
Gproj[ish][sig] <<= self.rotloc_all(ish,
gf,
direction='toLocal')
isp = 0
for sig, gf in Gproj[ish]: #dmg.append(Gproj[ish].density()[sig])
self.dens_mat_window[isp][ish] = Gproj[ish].density()[sig]
isp += 1
# add Density matrices to get the total:
dens_mat = [[
self.dens_mat_below[ntoi[bln[isp]]][ish] +
self.dens_mat_window[isp][ish] for ish in range(self.n_shells)
] for isp in range(len(bln))]
return dens_mat
def cellular_calculation(
Lx=2,
Ly=1,
periodized=False,
triangular=False,
Us=[1.0],
Ts=[0.125],
ns=[0.5],
fixed_n=True,
mutildes=[0.0],
dispersion=lambda kx, ky: matrix_dispersion(2, -0.25, 0.0, kx, ky),
ph_symmetry=False,
dispersion_automatic=True,
scalar_dispersion=lambda kx, ky: epsilonk_square(kx, ky, -0.25),
n_ks=[24],
n_k_automatic=False,
n_k_rules=[[0.06, 32], [0.03, 48], [0.005, 64], [0.00, 96]],
w_cutoff=20.0,
min_its=5,
max_its=25,
mix_Sigma=False,
rules=[[0, 0.5], [6, 0.2], [12, 0.65]],
do_dmft_first=False,
use_cthyb=False,
alpha=0.5,
delta=0.1,
n_cycles=100000,
max_time_rules=[[1, 5 * 60], [2, 20 * 60], [4, 80 * 60], [8, 200 * 60],
[16, 400 * 60]],
time_rules_automatic=False,
exponent=0.7,
overall_prefactor=1.0,
no_timing=False,
accuracy=1e-4,
solver_data_package=None,
print_current=1,
insulating_initial=False,
initial_guess_archive_name='',
suffix='',
start_from_Gweiss=False):
if mpi.is_master_node():
print "WELCOME TO cellular calculation!"
if n_k_automatic: print "n_k automatic!!!"
if len(n_ks) == 0 and n_k_automatic: n_ks = [0]
if use_cthyb:
solver_class = solvers.cthyb
else:
solver_class = solvers.ctint
fermionic_struct = {'up': [0]}
Nc = Lx * Ly
impurity_struct = {'%sx%s' % (Lx, Ly): range(Nc)}
if not time_rules_automatic:
max_times = {}
for C in impurity_struct:
for r in max_time_rules:
if r[0] <= len(impurity_struct[C]):
max_times[C] = r[1]
if mpi.is_master_node(): print "max_times from rules: ", max_times
beta = 1.0 / Ts[0]
n_iw = int(((w_cutoff * beta) / math.pi - 1.0) / 2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ", n_iw
if not n_k_automatic:
n_k = n_ks[0]
print "n_k = ", n_k
else:
n_k = n_k_from_rules(Ts[0], n_k_rules)
#if mpi.is_master_node(): print "n_k automatic!!!"
dt = cellular_data(
n_iw=n_iw,
n_k=n_k,
beta=beta,
impurity_struct=impurity_struct,
fermionic_struct=fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file")
if fixed_n:
ps = itertools.product(n_ks, ns, Us, Ts)
else:
ps = itertools.product(n_ks, mutildes, Us, Ts)
counter = 0
old_nk = n_k
old_beta = beta
for p in ps:
#name stuff to avoid confusion
nk = (p[0] if (not n_k_automatic) else n_k_from_rules(T, n_k_rules))
if fixed_n:
n = p[1]
else:
mutilde = p[1]
n = None
U = p[2]
T = p[3]
beta = 1.0 / T
if nk != old_nk and (not n_k_automatic):
dt.change_ks(IBZ.k_grid(nk))
if beta != old_beta:
n_iw = int(((w_cutoff * beta) / math.pi - 1.0) / 2.0)
if n_k_automatic:
nk = n_k_from_rules(T, n_k_rules)
if nk != old_nk:
dt.change_ks(IBZ.k_grid(nk))
dt.change_beta(beta, n_iw)
old_beta = beta
old_nk = nk
filename = "result"
if len(n_ks) > 1 and (not n_k_automatic):
filename += ".nk%s" % nk
if len(ns) > 1 and fixed_n:
filename += ".n%s" % n
if len(mutildes) > 1 and not fixed_n:
filename += ".mutilde%s" % mutilde
if len(Us) > 1: filename += ".U%s" % U
if len(Ts) > 1: filename += ".T%.4f" % T
filename += ".h5"
dt.archive_name = filename
if mpi.is_master_node():
if fixed_n:
print "Working: U: %s T %s n: %s n_k: %s n_iw: %s" % (U, n, T,
nk, n_iw)
else:
print "Working: U: %s T %s mutilde: %s n_k: %s n_iw: %s" % (
U, mutilde, T, nk, n_iw)
if mpi.is_master_node():
print "about to fill dispersion. ph-symmetry: ", ph_symmetry
for key in dt.fermionic_struct.keys():
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
dt.epsilonijk[key][:, :, kxi, kyi] = dispersion(
dt.ks[kxi], dt.ks[kyi])
if not triangular:
prepare_cellular(dt, Lx, Ly, solver_class, periodized)
identical_pairs = {
dt.impurity_struct.keys()[0]: get_identical_pair_sets(Lx, Ly)
}
else:
prepare_cellular_triangular(dt, Lx, Ly, solver_class, periodized)
identical_pairs = {
dt.impurity_struct.keys()[0]:
triangular_identical_pair_sets(Lx, Ly)
}
solver_class.initialize_solvers(dt, solver_data_package)
max_times = {}
if no_timing:
for C in dt.impurity_struct.keys():
max_times[C] = -1
if mpi.is_master_node():
print "no_timing! solvers will run until they perform all the mc steps", max_times
if time_rules_automatic and (not no_timing):
for C in dt.impurity_struct.keys():
Nc = len(dt.impurity_struct[C])
pref = ((dt.beta / 8.0) * U * Nc)**exponent #**1.2
print C
print "Nc: ", Nc,
print "U: ", U,
print "beta: ", dt.beta,
print "pref: ", pref
max_times[C] = int(overall_prefactor * pref * 5 * 60)
if mpi.is_master_node(): print "max times automatic: ", max_times
actions = [
generic_action(
name="lattice",
main=lambda data: [
data.get_Sigmaijkw(),
nested_mains.lattice(data,
n=n,
ph_symmetry=ph_symmetry,
accepted_mu_range=[-2.0, 2.0])
],
mixers=[],
cautionaries=[],
allowed_errors=[],
printout=lambda data, it: ([
data.dump_general(quantities=
['Sigmaijkw', 'Gijkw', 'G_ij_iw'],
suffix='-current'),
data.dump_scalar(suffix='-current')
] if ((it + 1) % print_current == 0) else None)),
generic_action(
name="pre_impurity",
main=lambda data: nested_mains.pre_impurity(data),
mixers=[],
cautionaries=[],
allowed_errors=[],
printout=lambda data, it:
(data.dump_general(quantities=['Gweiss_iw'], suffix='-current')
if ((it + 1) % print_current == 0) else None)),
generic_action(
name="impurity",
main=(lambda data: nested_mains.impurity(
data,
U,
symmetrize_quantities=True,
alpha=alpha,
delta=delta,
n_cycles=n_cycles,
max_times=max_times,
solver_data_package=solver_data_package)) if
(not use_cthyb) else (lambda data: nested_mains.impurity_cthyb(
data,
U,
symmetrize_quantities=True,
n_cycles=n_cycles,
max_times=max_times,
solver_data_package=solver_data_package)),
mixers=[],
cautionaries=[
lambda data, it: local_nan_cautionary(data,
data.impurity_struct,
Qs=['Sigma_imp_iw'],
raise_exception=True
),
lambda data, it: symmetrize_cluster_impurity(
data.Sigma_imp_iw, identical_pairs)
],
allowed_errors=[1],
printout=lambda data, it: ([
data.dump_general(quantities=['Sigma_imp_iw', 'G_imp_iw'],
suffix='-current'),
data.dump_solvers(suffix='-current')
] if ((it + 1) % print_current == 0) else None))
]
monitors = [
monitor(monitored_quantity=lambda: dt.ns['up'],
h5key='n_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.mus['up'],
h5key='mu_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.err,
h5key='err_vs_it',
archive_name=dt.archive_name)
] #,
# monitor( monitored_quantity = lambda: actions[3].errs[0],
# h5key = 'sign_err_vs_it',
# archive_name = dt.archive_name) ]
convergers = [
converger(monitored_quantity=lambda: dt.G_ij_iw,
accuracy=accuracy,
struct=impurity_struct,
archive_name=dt.archive_name,
h5key='diffs_G_loc')
]
convergers.append(
converger(monitored_quantity=lambda: dt.G_imp_iw,
accuracy=accuracy,
struct=impurity_struct,
archive_name=dt.archive_name,
h5key='diffs_G_imp'))
dmft = generic_loop(name="cellular DMFT",
actions=actions,
convergers=convergers,
monitors=monitors)
if (counter == 0): #do the initial guess only once!
if initial_guess_archive_name != '':
if start_from_Gweiss:
dt.mus['up'] = U / 2.0
A = HDFArchive(initial_guess_archive_name, "r")
dt.Gweiss_iw << A['Gweiss_iw%s' % suffix]
del A
dt.dump_general(quantities=['Gweiss_iw'],
suffix='-initial')
else:
if mpi.is_master_node():
print "constructing dt from initial guess in a file: ", initial_guess_archive_name, "suffix: ", suffix
old_epsilonk = dt.epsilonk
dt.construct_from_file(initial_guess_archive_name, suffix)
if dt.beta != beta:
dt.change_beta(beta, n_iw)
if dt.n_k != nk:
dt.change_ks(IBZ.k_grid(nk))
if mpi.is_master_node():
print "putting back the old Jq and epsilonk"
dt.epsilonk = old_epsilonk
else:
if not fixed_n:
dt.mus['up'] = U / 2.0 + mutilde
else:
dt.mus['up'] = U / 2.0
if 'down' in dt.fermionic_struct.keys():
dt.mus['down'] = dt.mus[
'up'] #this is not necessary at the moment, but may become
for C in dt.impurity_struct.keys():
for l in dt.impurity_struct[
C]: #just the local components (but on each site!)
dt.Sigma_imp_iw[C].data[:, l, l] = U / 2.0 - int(
insulating_initial) * 1j / numpy.array(dt.ws)
for key in fermionic_struct.keys():
for l in range(dt.Nc):
numpy.transpose(
dt.Sigmaijkw[key])[:, :, l, l, :] = U / 2.0 - int(
insulating_initial) * 1j / numpy.array(dt.ws)
dt.dump_general(quantities=['Sigmaijkw', 'Sigma_imp_iw'],
suffix='-initial')
if (counter == 0) and do_dmft_first:
assert False, "not implemented"
#run cellular!-------------
if mix_Sigma:
actions[3].mixers.append(
mixer(mixed_quantity=lambda: dt.Sigmaijkw,
rules=rules,
func=mixer.mix_matrix_lattice_gf,
initialize=True))
dt.dump_parameters()
dt.dump_non_interacting()
err = dmft.run(dt,
max_its=max_its,
min_its=min_its,
max_it_err_is_allowed=7,
print_final=True,
print_current=1,
start_from_action_index=(2 if start_from_Gweiss else 0))
if mpi.is_master_node():
print "periodizing result..."
print "filling scalar dispersion..."
for key in dt.fermionic_struct.keys():
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
dt.epsilonk[key][kxi, kyi] = scalar_dispersion(
dt.ks[kxi], dt.ks[kyi])
dt.dump_general(['epsilonk'], suffix='')
dt.periodize_cumul()
dt.dump_general(['Gkw', 'Sigmakw', 'gkw', 'gijw', 'g_imp_iw'],
suffix='-periodized_cumul')
dt.periodize_selfenergy()
dt.dump_general(['Gkw', 'Sigmakw', 'Sigmaijw'],
suffix='-periodized_selfenergy')
cmd = 'mv %s %s' % (filename, filename.replace(
"result", "cellular"))
print cmd
os.system(cmd)
if (err == 2):
print "Cautionary error!!! exiting..."
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
break
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
counter += 1
if not (solver_data_package is None):
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
return dt, monitors, convergers
def supercond_hubbard_calculation( Ts = [0.12,0.08,0.04,0.02,0.01],
mutildes=[0.0, 0.2, 0.4, 0.6, 0.8],
ns = [0.5,0.53,0.55,0.57,0.6], fixed_n = False,
ts=[0.25], t_dispersion = epsilonk_square, ph_symmetry = True,
Us = [1.0,2.0,3.0,4.0], alpha=2.0/3.0, ising = False,
hs = [0],
frozen_boson = False,
refresh_X = True, strength = 5.0, max_it = 10,
n_ks = [24], n_k_automatic = False, n_k_rules = [[0.06, 32],[0.03, 48],[0.005, 64],[0.00, 96]],
w_cutoff = 20.0,
n_loops_min = 5, n_loops_max=25, rules = [[0, 0.5], [6, 0.2], [12, 0.65]], mix_Sigma = True,
trilex = False, edmft = False, local_bubble_for_charge_P = False,charge_boson_GW_style = False, imtime = True, use_optimized = True, N_cores = 1,
do_dmft_first = True, do_normal = True, do_eigenvalue = False, do_superconducting = False, initial_X_prefactor = 2.0,
use_cthyb=True, n_cycles=100000, max_time=10*60, accuracy = 1e-4, supercond_accr = 1e-8, solver_data_package = None,
print_local_frequency=5, print_non_local_frequency = 5, total_debug=False,
initial_guess_archive_name = '', suffix='', clean_up_polarization = True):
if mpi.is_master_node():
print "WELCOME TO supercond hubbard calculation!"
if n_k_automatic: print "n_k automatic!!!"
if len(n_ks)==0 and n_k_automatic: n_ks=[0]
loc_from_imp = trilex or edmft
bosonic_struct = {'0': [0], '1': [0]}
if not ising:
if alpha==2.0/3.0:
del bosonic_struct['1']
if alpha==1.0/3.0:
del bosonic_struct['0']
else:
if alpha==1.0:
del vks['1']
if alpha==0.0:
del vks['0']
fermionic_struct = {'up': [0], 'down': [0]}
if not loc_from_imp:
del fermionic_struct['down']
beta = 1.0/Ts[0]
n_iw = int(((w_cutoff*beta)/math.pi-1.0)/2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ",n_iw
n_tau = int(n_iw*pi)
if not n_k_automatic:
n_q = n_ks[0]
n_k = n_q
else:
n_k = n_q = n_k_from_rules(Ts[0], n_k_rules)
if mpi.is_master_node(): print "n_k automatic!!!"
#init solver
if use_cthyb and loc_from_imp:
if solver_data_package is None: solver_data_package = {}
solver_data_package['solver'] = 'cthyb'
solver_data_package['constructor_parameters']={}
solver_data_package['constructor_parameters']['beta'] = beta
solver_data_package['constructor_parameters']['gf_struct'] = fermionic_struct
solver_data_package['constructor_parameters']['n_tau_k'] = n_tau
solver_data_package['constructor_parameters']['n_tau_g'] = 10000
solver_data_package['constructor_parameters']['n_tau_delta'] = 10000
solver_data_package['constructor_parameters']['n_tau_nn'] = 4*n_tau
solver_data_package['constructor_parameters']['n_w_b_nn'] = n_iw
solver_data_package['constructor_parameters']['n_w'] = n_iw
solver_data_package['construct|run|exit'] = 0
if MASTER_SLAVE_ARCHITECTURE and (mpi.size>1): solver_data_package = mpi.bcast(solver_data_package)
solver = Solver( **solver_data_package['constructor_parameters'] )
else:
solver = None
assert not( imtime and trilex ), "imtime bubbles inapplicable in trilex"
#init data, assign the solver to it
dt = supercond_data( n_iw = n_iw,
ntau = (None if (imtime) else 3 ), #no need to waste memory on tau-dependent quantities unless we're going to use them (None means ntau=n_iw*5)
n_k = n_k,
n_q = n_q,
beta = beta,
solver = solver,
bosonic_struct = bosonic_struct,
fermionic_struct = fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file" )
if trilex or (edmft and local_bubble_for_charge_P and not charge_boson_GW_style): #if emdft, nothing to add
dt.__class__=supercond_trilex_data
dt.promote(dt.n_iw/2, dt.n_iw/2)
if use_optimized:
dt.patch_optimized()
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = lambda: dt.P_loc_iw,
accuracy=accuracy,
struct=bosonic_struct,
archive_name="not_yet_you_shouldnt_see_this_file",
h5key = 'diffs_P_loc' ),
converger( monitored_quantity = lambda: dt.G_loc_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name="not_yet_you_shouldnt_see_this_file",
h5key = 'diffs_G_loc' ) ]
#initial guess
#assert not(trilex and fixed_n), "trilex doesn't yet work"
if fixed_n:
ps = itertools.product(n_ks,ts,ns,Us,Ts,hs)
else:
ps = itertools.product(n_ks,ts,mutildes,Us,Ts,hs)
counter = 0
old_nk = n_k
old_beta = beta
old_get_Xkw = None
#-------------------------------------------------------------------------------------------------------------------------------#
for p in ps:
#name stuff to avoid confusion
t = p[1]
if fixed_n:
n = p[2]
else:
mutilde = p[2]
n = None
U = p[3]
T = p[4]
beta = 1.0/T
h = p[5]
nk = (p[0] if (not n_k_automatic) else n_k_from_rules(T, n_k_rules) )
if nk!=old_nk and (not n_k_automatic):
dt.change_ks(IBZ.k_grid(nk))
old_nk = nk
if beta!=old_beta:
n_iw = int(((w_cutoff*beta)/math.pi-1.0)/2.0)
n_tau = int(n_iw*pi)
if n_k_automatic:
nk = n_k_from_rules(T, n_k_rules)
if nk != old_nk:
dt.change_ks(IBZ.k_grid(nk))
old_nk = nk
dt.change_beta(beta, n_iw)
if loc_from_imp:
if solver_data_package is None: solver_data_package = {}
solver_data_package['constructor_parameters']={}
solver_data_package['constructor_parameters']['beta'] = beta
solver_data_package['constructor_parameters']['gf_struct'] = fermionic_struct
solver_data_package['constructor_parameters']['n_tau_k'] = n_tau
solver_data_package['constructor_parameters']['n_tau_g'] = 10000
solver_data_package['constructor_parameters']['n_tau_delta'] = 10000
solver_data_package['constructor_parameters']['n_tau_nn'] = 4*n_tau
solver_data_package['constructor_parameters']['n_w_b_nn'] = n_iw
solver_data_package['constructor_parameters']['n_w'] = n_iw
solver_data_package['construct|run|exit'] = 0
if MASTER_SLAVE_ARCHITECTURE and (mpi.size>1): solver_data_package = mpi.bcast(solver_data_package)
dt.solver = Solver( **solver_data_package['constructor_parameters'] )
old_beta = beta
filename = "result"
if len(n_ks)>1 and (not n_k_automatic):
filename += ".nk%s"%nk
if len(ts)>1: filename += ".t%s"%t
if len(ns)>1 and fixed_n:
filename += ".n%s"%n
if len(mutildes)>1 and not fixed_n:
filename += ".mutilde%s"%mutilde
if len(Us)>1: filename += ".U%s"%U
if len(Ts)>1: filename += ".T%.4f"%T
if len(hs)>1: filename += ".h%s"%h
filename += ".h5"
dt.archive_name = filename
for conv in convergers:
conv.archive_name = dt.archive_name
if not ising:
Uch = (3.0*alpha-1.0)*U
Usp = (alpha-2.0/3.0)*U
else:
Uch = alpha*U
Usp = (alpha-1.0)*U
vks = {'0': lambda kx,ky: Uch, '1': lambda kx,ky: Usp}
if not ising:
if alpha==2.0/3.0:
del vks['1']
if alpha==1.0/3.0:
del vks['0']
else:
if alpha==1.0:
del vks['1']
if alpha==0.0:
del vks['0']
dt.fill_in_Jq( vks )
dt.fill_in_epsilonk(dict.fromkeys(fermionic_struct.keys(), partial(t_dispersion, t=t)))
#assert not(use_optimized and trilex), "don't have optimized freq summation from trilex"
if trilex and charge_boson_GW_style:
dt.Lambda_wrapper = lambda A,wi,nui: ( (dt.__class__.Lambda_wrapper(dt,A,wi,nui)) if (A=='1') else 1.0 )
Lam = ( dt.Lambda_wrapper if trilex else ( lambda A, wi, nui: 1.0 ) )
if (not use_optimized) or (not imtime): #automatically if trilex because imtime = False is asserted
dt.get_Sigmakw = lambda: dt.__class__.get_Sigmakw(dt, ising_decoupling = ising, imtime = imtime, Lambda = Lam)
dt.get_Xkw = lambda: dt.__class__.get_Xkw(dt, ising_decoupling = ising, imtime = imtime, Lambda = Lam)
dt.get_Pqnu = lambda: dt.__class__.get_Pqnu(dt, imtime = imtime, Lambda = Lam)
else:
dt.get_Sigmakw = lambda: GW_data.optimized_get_Sigmakw(dt, ising_decoupling = ising, N_cores=N_cores)
dt.get_Xkw = lambda: supercond_data.optimized_get_Xkw(dt, ising_decoupling = ising, N_cores=N_cores)
dt.get_Pqnu = lambda: supercond_data.optimized_get_Pqnu(dt, N_cores=N_cores)
dt.get_Sigma_loc_from_local_bubble = lambda: GW_data.get_Sigma_loc_from_local_bubble(dt, ising_decoupling = ising, imtime = imtime, Lambda = Lam)
if local_bubble_for_charge_P:
dt.get_P_loc_from_local_bubble = lambda: GW_data.get_P_loc_from_local_bubble(dt, imtime = False, Lambda = dt.Lambda_wrapper)
if charge_boson_GW_style:
dt.get_P_loc_from_local_bubble = lambda: GW_data.get_P_loc_from_local_bubble(dt, imtime = imtime, Lambda = lambda A,wi,nui: 1.0)
dt.optimized_get_P_imp = lambda: GW_data.optimized_get_P_imp(dt, use_caution=not local_bubble_for_charge_P and not charge_boson_GW_style, prefactor=0.99,
use_local_bubble_for_charge = local_bubble_for_charge_P or charge_boson_GW_style )
#dt.optimized_get_P_imp = lambda: GW_data.optimized_get_P_imp(dt, use_caution=False, prefactor=0.99, use_local_bubble_for_charge = local_bubble_for_charge_P)
if not loc_from_imp:
dt.get_P_loc_from_local_bubble = lambda: dt.__class__.get_P_loc_from_local_bubble(dt, imtime = imtime, Lambda = Lam)
if ((h==0.0)or(h==0))and (not refresh_X):
if mpi.is_master_node(): print "assigning GW_data.Pqnu because no h, no imposed X"
old_get_Xkw = dt.get_Xkw #save the old one and put it back before returning data
old_get_Pqnu = dt.get_Pqnu
dt.get_Xkw = lambda: None
if (not use_optimized) or (not imtime):
dt.get_Pqnu = lambda: GW_data.get_Pqnu(dt, imtime = imtime, Lambda = Lam)
else:
dt.get_Pqnu = lambda: GW_data.optimized_get_Pqnu(dt, N_cores=N_cores)
if trilex or (edmft and local_bubble_for_charge_P and not charge_boson_GW_style):
preset = supercond_trilex_hubbard(U=U, alpha=alpha, ising = ising, frozen_boson=(frozen_boson if (T!=Ts[0]) else False), refresh_X = refresh_X, n = n, ph_symmetry = ph_symmetry)
elif edmft:
preset = supercond_EDMFTGW_hubbard(U=U, alpha=alpha, ising = ising, frozen_boson=(frozen_boson if (T!=Ts[0]) else False), refresh_X = refresh_X, n = n, ph_symmetry = ph_symmetry)
else:
preset = supercond_hubbard(frozen_boson=(frozen_boson if (T!=Ts[0]) else False), refresh_X=refresh_X, n = n, ph_symmetry=ph_symmetry)
if refresh_X:
preset.cautionary.refresh_X = partial(preset.cautionary.refresh_X, strength=strength, max_it=max_it)
if mpi.is_master_node():
if fixed_n:
print "U = ",U," alpha= ",alpha, "Uch= ",Uch," Usp=",Usp," n= ",n
else:
print "U = ",U," alpha= ",alpha, "Uch= ",Uch," Usp=",Usp," mutilde= ",mutilde
#print "cautionary safe values: ",preset.cautionary.safe_value
if loc_from_imp:
if trilex or (local_bubble_for_charge_P and not charge_boson_GW_style):
n_w_f=dt.n_iw_f
n_w_b=dt.n_iw_b
else:
n_w_f=4
n_w_b=4
if use_cthyb:
impurity = partial( solvers.cthyb.run, no_fermionic_bath=False,
trilex=trilex or (local_bubble_for_charge_P and not charge_boson_GW_style), n_w_f=n_w_f, n_w_b=n_w_b,
n_cycles=n_cycles, max_time=max_time,
solver_data_package = solver_data_package )
dt.dump_solver = partial(solvers.cthyb.dump, solver = dt.solver, archive_name = dt.archive_name)
else:
impurity = partial( solvers.ctint.run, n_cycles=n_cycles)
dt.dump_solver = partial(solvers.cthyb.dump, solver = dt.solver, archive_name = dt.archive_name)
else:
impurity = lambda data: None
mixers = [mixer( mixed_quantity = lambda: dt.Pqnu,
rules=rules,
func=mixer.mix_lattice_gf ),
mixer( mixed_quantity = lambda: dt.P_loc_iw,
rules=rules,
func=mixer.mix_block_gf ) ]
if mix_Sigma:
mixers.extend([mixer( mixed_quantity = lambda: dt.Sigmakw,
rules=rules,
func=mixer.mix_lattice_gf),
mixer( mixed_quantity = lambda: dt.Sigma_loc_iw,
rules=rules,
func=mixer.mix_block_gf)])
monitors = [ monitor( monitored_quantity = lambda: dt.ns['up'],
h5key = 'n_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.mus['up'],
h5key = 'mu_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: numpy.amax(dt.Pqnu['1'][dt.m_to_nui(0),:,:]*Usp),
h5key = 'maxPspUsp_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.err,
h5key = 'err_vs_it',
archive_name = dt.archive_name) ]
if loc_from_imp:
monitors.extend([ monitor( monitored_quantity = lambda: dt.P_imp_iw['0'].data[dt.m_to_nui(0),0,0],
h5key = 'Pimp_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.W_loc_iw['0'].data[dt.m_to_nui(0),0,0],
h5key = 'Wloc_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.Uweiss_iw['0'].data[dt.m_to_nui(0),0,0],
h5key = 'Uweiss_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.chi_imp_iw['0'].data[dt.m_to_nui(0),0,0],
h5key = 'chimp_vs_it',
archive_name = dt.archive_name) ])
#mixers.extend([ mixer( mixed_quantity = lambda: dt.chi_imp_iw['0'],
# rules=[[0,0.9]],
# func=mixer.mix_gf) ] )
#init the dmft_loop
dmft = dmft_loop( cautionary = preset.cautionary,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = impurity,
post_impurity = preset.post_impurity,
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
monitors = monitors,
after_it_is_done = preset.after_it_is_done )
#dt.get_G0kw( func = dict.fromkeys(['up', 'down'], dyson.scalar.G_from_w_mu_epsilon_and_Sigma) )
#if (T==Ts[0]) and trilex: #do this only once!
# dt.mus['up'] = dt.mus['down'] = mutilde+U/2.0
# dt.P_imp_iw << 0.0
# dt.Sigma_imp_iw << U/2.0 + mutilde #making sure that in the first iteration the impurity problem is half-filled. if not solving impurity problem, not needed
# for U in fermionic_struct.keys(): dt.Sigmakw[U].fill(0)
# for U in fermionic_struct.keys(): dt.Xkw[U].fill(0)
if (T==Ts[0]): #do the initial guess only once!
if initial_guess_archive_name!='':
if mpi.is_master_node(): print "constructing dt from initial guess in a file: ",initial_guess_archive_name, "suffix: ",suffix
old_Jq = dt.Jq #this thing is the parameter of the calculation, we don't want to load it from the initial guess file
old_epsilonk = dt.epsilonk
dt.construct_from_file(initial_guess_archive_name, suffix)
if dt.beta != beta:
dt.change_beta(beta, n_iw)
if dt.n_k != nk:
dt.change_ks(IBZ.k_grid(nk))
if mpi.is_master_node(): print "putting back the old Jq and epsilonk"
dt.epsilonk = old_epsilonk
dt.Jq = old_Jq
if clean_up_polarization:
if mpi.is_master_node(): print "now emptying polarization to be sure"
for A in dt.bosonic_struct.keys(): #empty the Polarization!!!!!!!!!!!!
dt.Pqnu[A][:,:,:] = 0.0
dt.P_loc_iw[A] << 0.0
dt.chi_imp_iw[A] << 0.0
else:
if not fixed_n:
dt.mus['up'] = mutilde
else:
dt.mus['up'] = 0.0
if 'down' in dt.fermionic_struct.keys(): dt.mus['down'] = dt.mus['up'] #this is not necessary at the moment, but may become
dt.P_imp_iw << 0.0
if loc_from_imp: #making sure that in the first iteration the impurity problem is half-filled. if not solving impurity problem, not needed
dt.Sigma_loc_iw << U/2.0
else:
dt.Sigma_loc_iw << 0.0
for U in fermionic_struct.keys(): dt.Sigmakw[U].fill(0)
for U in fermionic_struct.keys(): dt.Xkw[U].fill(0)
#note that below from here U is no longer U because of the above for loops
if not do_superconducting:
for U in fermionic_struct.keys(): dt.Xkw[U].fill(0)
if loc_from_imp and (T==Ts[0]) and do_dmft_first:
#do one short run of dmft before starting emdft+gw
if mpi.is_master_node(): print "================= 20 iterations of DMFT!!!! ================="
Jqcopy = deepcopy(dt.Jq) #copy the old Jq
for A in dt.bosonic_struct.keys():
dt.Jq[A][:,:] = 0.0 #setting bare bosonic propagators to zero reduces the calculation to dmft.
#but we also don't want to do the calculation of Sigmakw and Pqnu
get_Sigmakw = dt.get_Sigmakw
get_Pqnu = dt.get_Pqnu
get_Xkw = dt.get_Xkw
def copy_Sigma_loc_to_Sigmakw():
if mpi.is_master_node(): print ">>>>> just copying Sigma_loc to Sigma_kw"
for U in dt.fermionic_struct.keys():
numpy.transpose(dt.Sigmakw[U])[:] = dt.Sigma_loc_iw[U].data[:,0,0]
dt.get_Sigmakw = copy_Sigma_loc_to_Sigmakw
dt.get_Pqnu = lambda: None
dt.get_Xkw = lambda: None
if trilex: #get rid of vertex related stuff
get_chi3_imp = dt.get_chi3_imp
get_chi3tilde_imp = dt.get_chi3tilde_imp
get_Lambda_imp = dt.get_Lambda_imp
dt.get_chi3_imp = lambda: None
dt.get_chi3tilde_imp = lambda: None
dt.get_Lambda_imp = lambda: None
old_impurity = dmft.impurity
dmft.impurity = partial( solvers.cthyb.run, no_fermionic_bath=False,
trilex=False, n_w_f=n_w_f, n_w_b=n_w_b,
n_cycles=n_cycles, max_time=( max_time if (not trilex) else (max_time/2)),
solver_data_package = solver_data_package )
dmft.mixers = [] # no mixing
dmft.cautionary = None # nothing to be cautious about
# DO THE CALC
dmft.run( dt, calculation_name = 'dmft', total_debug = total_debug,
n_loops_max=20,
n_loops_min=15,
print_local=1, print_impurity_input=1, print_three_leg=100000, print_non_local=10000, print_impurity_output=1,
skip_self_energy_on_first_iteration=True,
mix_after_selfenergy = True,
last_iteration_err_is_allowed = 100 )
#move the result
if mpi.is_master_node():
cmd = 'mv %s %s'%(filename, filename.replace("result", "dmft"))
print cmd
os.system(cmd)
# put everything back to normal
dmft.mixers = mixers
dmft.cautionary = preset.cautionary
dt.Jq = Jqcopy #put back the old Jq now for the actual calculation
for A in dt.bosonic_struct.keys(): #empty the Polarization!!!!!!!!!!!!
dt.Pqnu[A][:,:,:] = 0.0
dt.P_loc_iw[A] << 0.0
dt.chi_imp_iw[A] << 0.0
dt.get_Sigmakw = get_Sigmakw
dt.get_Pqnu = get_Pqnu
dt.get_Xkw = get_Xkw
if trilex: #put back in the vertex related stuff
dt.get_chi3_imp = get_chi3_imp
dt.get_chi3tilde_imp = get_chi3tilde_imp
dt.get_Lambda_imp = get_Lambda_imp
dmft.impurity = old_impurity
if refresh_X:
preset.cautionary.reset()
preset.cautionary.refresh_X(dt)
if h!=0:
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
for wi in range(dt.nw):
for U in fermionic_struct.keys():
dt.hsck[U][kxi, kyi] = X_dwave(dt.ks[kxi],dt.ks[kyi], h)
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
#run dmft!-------------
if do_normal and not (do_superconducting and T!=Ts[0]):
err = dmft.run( dt, calculation_name = 'normal', total_debug = total_debug,
n_loops_max=n_loops_max,
n_loops_min=n_loops_min,
print_local=print_local_frequency, print_impurity_input=( 1 if loc_from_imp else 1000 ), print_three_leg=1, print_non_local=print_non_local_frequency,
skip_self_energy_on_first_iteration=True,
mix_after_selfenergy = True,
last_iteration_err_is_allowed = n_loops_max+5 ) #n_loops_max/2 )
if (err==2):
print "Cautionary error!!! exiting..."
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size>1): solver_data_package = mpi.bcast(solver_data_package)
break
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if do_eigenvalue:
#get the leading eigenvalue and the corresponding eigenvector to be used as the initial guess for Xkw
if imtime and use_optimized:
dt.optimized_get_leading_eigenvalue(max_it = 60, accr = 5e-4,
ising_decoupling = ising,
N_cores = N_cores, symmetry = 'd') #for now let's stick to plain d-wave
else:
dt.get_Xkw = lambda: supercond_data.get_Xkw( dt, imtime = False,
simple = False,
use_IBZ_symmetry = False,
ising_decoupling=ising,
su2_symmetry=True, wi_list = [], Lambda = dt.Lambda_wrapper)
dt.get_leading_eigenvalue(max_it = 60, accr = 5e-4,
ising_decoupling = ising, symmetry = 'd') #for now let's stick to plain d-wave
if mpi.is_master_node():
if dt.eig_ratio < 1.0:
print ">>>>>>>>>>> eig_ratio<1.0... better luck next time"
else:
print ">>>>>>>>>>> eig_ratio>=1.0!!"
dt.dump_all(suffix='-final')
cmd = 'mv %s %s'%(filename, filename.replace("result", "result_normal"))
print cmd
os.system(cmd)
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if do_superconducting and (dt.eig_ratio >= 1.0):
if mpi.is_master_node(): print "--------------------------------- will now do superconducting calculation!!! ------------------------------"
# start from a small gap
for U in dt.fermionic_struct.keys():
dt.Xkw[U] *= initial_X_prefactor
#put back in the supercond functions for Sigma and P
dt.get_Xkw = old_get_Xkw
dt.get_Pqnu = old_get_Pqnu
monitors.extend( [ monitor( monitored_quantity = lambda: dt.Xkw['up'][dt.nw/2,0,dt.n_k/2].real,
h5key = 'Xkw_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: numpy.amax(dt.Fkw['up'][:,:,:].real),
h5key = 'Fkw_vs_it',
archive_name = dt.archive_name) ] )
for conv in convergers:
conv.accuracy = supercond_accr
#run the calculation again
err = dmft.run( dt, calculation_name = 'supercond', total_debug = total_debug,
n_loops_max=100,
n_loops_min=25,
print_local=print_local_frequency, print_impurity_input=( 1 if loc_from_imp else 1000 ), print_three_leg=1, print_non_local=5,
skip_self_energy_on_first_iteration=True,
mix_after_selfenergy = True,
last_iteration_err_is_allowed = n_loops_max+5 ) #n_loops_max/2 )
elif do_superconducting:
if mpi.is_master_node(): print "--------------------------------- no point in doing superconducting calculation: eig_ratio<1"
counter += 1
if not (old_get_Xkw is None):
dt.get_Xkw = old_get_Xkw #putting back the function for later use
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size>1): solver_data_package = mpi.bcast(solver_data_package)
return dt, monitors, convergers
def dca_calculation(dca_scheme,
ph_symmetry=False,
Us=[1.0],
Ts=[0.125],
ns=[0.5],
fixed_n=True,
mutildes=[0.0],
w_cutoff=20.0,
min_its=5,
max_its=25,
mix_Sigma=False,
rules=[[0, 0.5], [6, 0.2], [12, 0.65]],
do_dmft_first=False,
alpha=0.5,
delta=0.1,
automatic_alpha_and_delta=False,
n_cycles=10000000,
max_time_rules=[[1, 5 * 60], [2, 20 * 60], [4, 80 * 60],
[8, 200 * 60], [16, 400 * 60]],
time_rules_automatic=False,
exponent=0.7,
overall_prefactor=1.0,
no_timing=False,
accuracy=1e-4,
solver_data_package=None,
print_current=1,
initial_guess_archive_name='',
suffix=''):
if mpi.is_master_node():
print "WELCOME TO dca calculation!"
solver_class = solvers.ctint
impurity_struct = dca_scheme.get_impurity_struct()
fermionic_struct = dca_scheme.get_fermionic_struct()
if mpi.is_master_node(): print "impurity_struct: ", impurity_struct
if mpi.is_master_node(): print "fermionic_struct: ", fermionic_struct
if not time_rules_automatic:
max_times = {}
for C in impurity_struct:
for r in max_time_rules:
if r[0] <= len(impurity_struct[C]):
max_times[C] = r[1]
if mpi.is_master_node(): print "max_times from rules: ", max_times
beta = 1.0 / Ts[0]
n_iw = int(((w_cutoff * beta) / math.pi - 1.0) / 2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ", n_iw
dt = dca_data(n_iw=n_iw,
beta=beta,
impurity_struct=impurity_struct,
fermionic_struct=fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file")
if fixed_n:
ps = itertools.product(ns, Us, Ts)
else:
ps = itertools.product(mutildes, Us, Ts)
counter = 0
old_beta = beta
for p in ps:
#name stuff to avoid confusion
if fixed_n:
n = p[0]
else:
mutilde = p[0]
n = None
U = p[1]
T = p[2]
beta = 1.0 / T
if beta != old_beta:
n_iw = int(((w_cutoff * beta) / math.pi - 1.0) / 2.0)
dt.change_beta(beta, n_iw)
old_beta = beta
filename = "result"
if len(ns) > 1 and fixed_n:
filename += ".n%s" % n
if len(mutildes) > 1 and not fixed_n:
filename += ".mutilde%s" % mutilde
if len(Us) > 1: filename += ".U%s" % U
if len(Ts) > 1: filename += ".T%.4f" % T
filename += ".h5"
dt.archive_name = filename
if mpi.is_master_node():
if fixed_n:
print "Working: U: %s T %s n: %s " % (U, T, n)
else:
print "Working: U: %s T %s mutilde: %s " % (U, T, mutilde)
prepare_dca(dt, dca_scheme, solver_class)
solver_class.initialize_solvers(dt, solver_data_package)
if no_timing:
for C in dt.impurity_struct.keys():
max_times[C] = -1
if mpi.is_master_node():
print "no_timing! solvers will run until they perform all the mc steps", max_times
if time_rules_automatic and (not no_timing):
max_times = {}
for C in dt.impurity_struct.keys():
Nc = len(dt.impurity_struct[C])
pref = ((dt.beta / 8.0) * U * Nc)**exponent #**1.2
print C
print "Nc: ", Nc,
print "U: ", U,
print "beta: ", dt.beta,
print "pref: ", pref
max_times[C] = int(overall_prefactor * pref * 5 * 60)
if mpi.is_master_node(): print "max times automatic: ", max_times
identical_pairs = dca_scheme.get_identical_pairs()
if not (identical_pairs is None):
print "identical pairs not known, there will be no symmetrization"
identical_pairs = {'x': identical_pairs}
actions = [
generic_action(name="lattice",
main=lambda data: nested_mains.lattice(
data,
n=n,
ph_symmetry=ph_symmetry,
accepted_mu_range=[-2.0, 2.0]),
mixers=[],
cautionaries=[],
allowed_errors=[],
printout=lambda data, it: ([
data.dump_general(quantities=['GK_iw', 'GR_iw'],
suffix='-current'),
data.dump_scalar(suffix='-current')
] if ((it + 1) % print_current == 0) else None)),
generic_action(
name="pre_impurity",
main=lambda data: nested_mains.pre_impurity(data),
mixers=[],
cautionaries=[],
allowed_errors=[],
printout=lambda data, it: (data.dump_general(
quantities=['GweissK_iw', 'GweissR_iw', 'Gweiss_iw'],
suffix='-current') if (
(it + 1) % print_current == 0) else None)),
generic_action(
name="impurity",
main=(lambda data: nested_mains.impurity(
data,
U,
symmetrize_quantities=True,
alpha=alpha,
delta=delta,
automatic_alpha_and_delta=automatic_alpha_and_delta,
n_cycles=n_cycles,
max_times=max_times,
solver_data_package=solver_data_package)),
mixers=[],
cautionaries=[
lambda data, it: local_nan_cautionary(data,
data.impurity_struct,
Qs=['Sigma_imp_iw'],
raise_exception=True
), lambda data, it:
(symmetric_G_and_self_energy_on_impurity(
data.G_imp_iw, data.Sigma_imp_iw, data.solvers,
identical_pairs, identical_pairs)
if it >= 100 else symmetrize_cluster_impurity(
data.Sigma_imp_iw, identical_pairs))
],
allowed_errors=[1],
printout=lambda data, it: ([
data.dump_general(quantities=['Sigma_imp_iw', 'G_imp_iw'],
suffix='-current'),
data.dump_solvers(suffix='-current')
] if ((it + 1) % print_current == 0) else None)),
generic_action(
name="selfenergy",
main=lambda data: dca_mains.selfenergy(data),
mixers=[],
cautionaries=[],
allowed_errors=[],
printout=lambda data, it:
(data.dump_general(quantities=['SigmaR_iw', 'SigmaK_iw'],
suffix='-current')
if ((it + 1) % print_current == 0) else None))
]
if mix_Sigma:
actions[3].mixers.append(
mixer(mixed_quantity=lambda: dt.SigmaK_iw,
rules=rules,
func=mixer.mix_block_gf,
initialize=True))
monitors = [
monitor(monitored_quantity=lambda: dt.ns['00'],
h5key='n_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.mus['00'],
h5key='mu_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.SigmaR_iw['00'].data[
dt.nw / 2, 0, 0].imag,
h5key='ImSigma00_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.SigmaR_iw['00'].data[
dt.nw / 2, 0, 0].real,
h5key='ReSigma00_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.GR_iw['00'].data[dt.nw / 2,
0, 0].imag,
h5key='ImG00_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.GR_iw['00'].data[dt.nw / 2,
0, 0].real,
h5key='ReG00_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.err,
h5key='err_vs_it',
archive_name=dt.archive_name)
] #,
# monitor( monitored_quantity = lambda: actions[3].errs[0],
# h5key = 'sign_err_vs_it',
# archive_name = dt.archive_name) ]
convergers = [
converger(monitored_quantity=lambda: dt.GR_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key='diffs_GR'),
converger(monitored_quantity=lambda: dt.SigmaR_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key='diffs_SigmaR')
]
dmft = generic_loop(name="DCA",
actions=actions,
convergers=convergers,
monitors=monitors)
if (counter == 0): #do the initial guess only once!
if initial_guess_archive_name != '':
if mpi.is_master_node():
print "constructing dt from initial guess in a file: ", initial_guess_archive_name, "suffix: ", suffix
dt.construct_from_file(
initial_guess_archive_name,
suffix) #make sure it is the right dca_scheme
if dt.beta != beta:
dt.change_beta(beta, n_iw)
else:
if not fixed_n:
dt.set_mu(mutilde)
else:
dt.set_mu(U / 2.0)
for C in dt.impurity_struct.keys():
for l in dt.impurity_struct[
C]: #just the local components (but on each site!)
dt.Sigma_imp_iw[C][l, l] << U / 2.0
for K, sig in dt.SigmaK_iw:
sig[0, 0] << U / 2.0
dt.dump_general(quantities=['SigmaK_iw', 'Sigma_imp_iw'],
suffix='-initial')
if (counter == 0) and do_dmft_first:
assert False, "not implemented"
#run dca!-------------
dt.dump_parameters()
dt.dump_non_interacting()
err = dmft.run(dt,
max_its=max_its,
min_its=min_its,
max_it_err_is_allowed=7,
print_final=True,
print_current=1)
if mpi.is_master_node():
cmd = 'mv %s %s' % (filename, filename.replace("result", "dca"))
print cmd
os.system(cmd)
if (err == 2):
print "Cautionary error!!! exiting..."
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
break
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
counter += 1
if not (solver_data_package is None):
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
return dt, monitors, convergers
def dos_partial(self,broadening=0.01):
"""calculates the orbitally-resolved DOS"""
assert hasattr(self,"Sigma_imp"), "Set Sigma First!!"
#thingstoread = ['Dens_Mat_below','N_parproj','Proj_Mat_pc','rotmat_all']
#retval = self.read_input_from_HDF(SubGrp=self.par_proj_data, thingstoread=thingstoread)
retval = self.read_par_proj_input_from_hdf()
if not retval: return retval
if self.symm_op: self.Symm_par = Symmetry(self.hdf_file,subgroup=self.symm_par_data)
mu = self.chemical_potential
gf_struct_proj = [ [ (al, range(self.shells[i][3])) for al in self.block_names[self.SO] ] for i in xrange(self.n_shells) ]
Gproj = [BlockGf(name_block_generator = [ (a,GfReFreq(indices = al, mesh = self.Sigma_imp[0].mesh)) for a,al in gf_struct_proj[ish] ], make_copies = False )
for ish in xrange(self.n_shells)]
for ish in range(self.n_shells): Gproj[ish].zero()
Msh = [x for x in self.Sigma_imp[0].mesh]
n_om = len(Msh)
DOS = {}
for bn in self.block_names[self.SO]:
DOS[bn] = numpy.zeros([n_om],numpy.float_)
DOSproj = [ {} for ish in range(self.n_shells) ]
DOSproj_orb = [ {} for ish in range(self.n_shells) ]
for ish in range(self.n_shells):
for bn in self.block_names[self.SO]:
dl = self.shells[ish][3]
DOSproj[ish][bn] = numpy.zeros([n_om],numpy.float_)
DOSproj_orb[ish][bn] = numpy.zeros([n_om,dl,dl],numpy.float_)
ikarray=numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
S = self.lattice_gf_realfreq(ik=ik,mu=mu,broadening=broadening)
S *= self.bz_weights[ik]
# non-projected DOS
for iom in range(n_om):
for sig,gf in S: DOS[sig][iom] += gf.data[iom,:,:].imag.trace()/(-3.1415926535)
#projected DOS:
for ish in xrange(self.n_shells):
tmp = Gproj[ish].copy()
for ir in xrange(self.n_parproj[ish]):
for sig,gf in tmp: tmp[sig] <<= self.downfold_pc(ik,ir,ish,sig,S[sig],gf)
Gproj[ish] += tmp
# collect data from mpi:
for sig in DOS:
DOS[sig] = mpi.all_reduce(mpi.world,DOS[sig],lambda x,y : x+y)
for ish in xrange(self.n_shells):
Gproj[ish] <<= mpi.all_reduce(mpi.world,Gproj[ish],lambda x,y : x+y)
mpi.barrier()
if (self.symm_op!=0): Gproj = self.Symm_par.symmetrize(Gproj)
# rotation to local coord. system:
if (self.use_rotations):
for ish in xrange(self.n_shells):
for sig,gf in Gproj[ish]: Gproj[ish][sig] <<= self.rotloc_all(ish,gf,direction='toLocal')
for ish in range(self.n_shells):
for sig,gf in Gproj[ish]:
for iom in range(n_om): DOSproj[ish][sig][iom] += gf.data[iom,:,:].imag.trace()/(-3.1415926535)
DOSproj_orb[ish][sig][:,:,:] += gf.data[:,:,:].imag / (-3.1415926535)
if (mpi.is_master_node()):
# output to files
for bn in self.block_names[self.SO]:
f=open('./DOScorr%s.dat'%bn, 'w')
for i in range(n_om): f.write("%s %s\n"%(Msh[i],DOS[bn][i]))
f.close()
# partial
for ish in range(self.n_shells):
f=open('DOScorr%s_proj%s.dat'%(bn,ish),'w')
for i in range(n_om): f.write("%s %s\n"%(Msh[i],DOSproj[ish][bn][i]))
f.close()
for i in range(self.shells[ish][3]):
for j in range(i,self.shells[ish][3]):
Fname = './DOScorr'+bn+'_proj'+str(ish)+'_'+str(i)+'_'+str(j)+'.dat'
f=open(Fname,'w')
for iom in range(n_om): f.write("%s %s\n"%(Msh[iom],DOSproj_orb[ish][bn][iom,i,j]))
f.close()
def dos_partial(self, broadening=0.01):
"""calculates the orbitally-resolved DOS"""
assert hasattr(self, "Sigma_imp"), "Set Sigma First!!"
#thingstoread = ['Dens_Mat_below','N_parproj','Proj_Mat_pc','rotmat_all']
#retval = self.read_input_from_HDF(SubGrp=self.par_proj_data, thingstoread=thingstoread)
retval = self.read_par_proj_input_from_hdf()
if not retval: return retval
if self.symm_op:
self.Symm_par = Symmetry(self.hdf_file,
subgroup=self.symm_par_data)
mu = self.chemical_potential
gf_struct_proj = [[(al, range(self.shells[i][3]))
for al in self.block_names[self.SO]]
for i in xrange(self.n_shells)]
Gproj = [
BlockGf(name_block_generator=[
(a, GfReFreq(indices=al, mesh=self.Sigma_imp[0].mesh))
for a, al in gf_struct_proj[ish]
],
make_copies=False) for ish in xrange(self.n_shells)
]
for ish in range(self.n_shells):
Gproj[ish].zero()
Msh = [x for x in self.Sigma_imp[0].mesh]
n_om = len(Msh)
DOS = {}
for bn in self.block_names[self.SO]:
DOS[bn] = numpy.zeros([n_om], numpy.float_)
DOSproj = [{} for ish in range(self.n_shells)]
DOSproj_orb = [{} for ish in range(self.n_shells)]
for ish in range(self.n_shells):
for bn in self.block_names[self.SO]:
dl = self.shells[ish][3]
DOSproj[ish][bn] = numpy.zeros([n_om], numpy.float_)
DOSproj_orb[ish][bn] = numpy.zeros([n_om, dl, dl],
numpy.float_)
ikarray = numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
S = self.lattice_gf_realfreq(ik=ik, mu=mu, broadening=broadening)
S *= self.bz_weights[ik]
# non-projected DOS
for iom in range(n_om):
for sig, gf in S:
DOS[sig][iom] += gf.data[iom, :, :].imag.trace() / (
-3.1415926535)
#projected DOS:
for ish in xrange(self.n_shells):
tmp = Gproj[ish].copy()
for ir in xrange(self.n_parproj[ish]):
for sig, gf in tmp:
tmp[sig] <<= self.downfold_pc(ik, ir, ish, sig, S[sig],
gf)
Gproj[ish] += tmp
# collect data from mpi:
for sig in DOS:
DOS[sig] = mpi.all_reduce(mpi.world, DOS[sig], lambda x, y: x + y)
for ish in xrange(self.n_shells):
Gproj[ish] <<= mpi.all_reduce(mpi.world, Gproj[ish],
lambda x, y: x + y)
mpi.barrier()
if (self.symm_op != 0): Gproj = self.Symm_par.symmetrize(Gproj)
# rotation to local coord. system:
if (self.use_rotations):
for ish in xrange(self.n_shells):
for sig, gf in Gproj[ish]:
Gproj[ish][sig] <<= self.rotloc_all(ish,
gf,
direction='toLocal')
for ish in range(self.n_shells):
for sig, gf in Gproj[ish]:
for iom in range(n_om):
DOSproj[ish][sig][iom] += gf.data[
iom, :, :].imag.trace() / (-3.1415926535)
DOSproj_orb[ish][sig][:, :, :] += gf.data[:, :, :].imag / (
-3.1415926535)
if (mpi.is_master_node()):
# output to files
for bn in self.block_names[self.SO]:
f = open('./DOScorr%s.dat' % bn, 'w')
for i in range(n_om):
f.write("%s %s\n" % (Msh[i], DOS[bn][i]))
f.close()
# partial
for ish in range(self.n_shells):
f = open('DOScorr%s_proj%s.dat' % (bn, ish), 'w')
for i in range(n_om):
f.write("%s %s\n" % (Msh[i], DOSproj[ish][bn][i]))
f.close()
for i in range(self.shells[ish][3]):
for j in range(i, self.shells[ish][3]):
Fname = './DOScorr' + bn + '_proj' + str(
ish) + '_' + str(i) + '_' + str(j) + '.dat'
f = open(Fname, 'w')
for iom in range(n_om):
f.write("%s %s\n" %
(Msh[iom], DOSproj_orb[ish][bn][iom, i,
j]))
f.close()
def partial_charges(self,beta=40):
"""Calculates the orbitally-resolved density matrix for all the orbitals considered in the input.
The theta-projectors are used, hence case.parproj data is necessary"""
#thingstoread = ['Dens_Mat_below','N_parproj','Proj_Mat_pc','rotmat_all']
#retval = self.read_input_from_HDF(SubGrp=self.par_proj_data,thingstoread=thingstoread)
retval = self.read_par_proj_input_from_hdf()
if not retval: return retval
if self.symm_op: self.Symm_par = Symmetry(self.hdf_file,subgroup=self.symm_par_data)
# Density matrix in the window
bln = self.block_names[self.SO]
ntoi = self.names_to_ind[self.SO]
self.dens_mat_window = [ [numpy.zeros([self.shells[ish][3],self.shells[ish][3]],numpy.complex_) for ish in range(self.n_shells)]
for isp in range(len(bln)) ] # init the density matrix
mu = self.chemical_potential
GFStruct_proj = [ [ (al, range(self.shells[i][3])) for al in bln ] for i in xrange(self.n_shells) ]
if hasattr(self,"Sigma_imp"):
Gproj = [BlockGf(name_block_generator = [ (a,GfImFreq(indices = al, mesh = self.Sigma_imp[0].mesh)) for a,al in GFStruct_proj[ish] ], make_copies = False)
for ish in xrange(self.n_shells)]
beta = self.Sigma_imp[0].mesh.beta
else:
Gproj = [BlockGf(name_block_generator = [ (a,GfImFreq(indices = al, beta = beta)) for a,al in GFStruct_proj[ish] ], make_copies = False)
for ish in xrange(self.n_shells)]
for ish in xrange(self.n_shells): Gproj[ish].zero()
ikarray=numpy.array(range(self.n_k))
#print mpi.rank, mpi.slice_array(ikarray)
#print "K-Sum starts on node",mpi.rank," at ",datetime.now()
for ik in mpi.slice_array(ikarray):
#print mpi.rank, ik, datetime.now()
S = self.lattice_gf_matsubara(ik=ik,mu=mu,beta=beta)
S *= self.bz_weights[ik]
for ish in xrange(self.n_shells):
tmp = Gproj[ish].copy()
for ir in xrange(self.n_parproj[ish]):
for sig,gf in tmp: tmp[sig] <<= self.downfold_pc(ik,ir,ish,sig,S[sig],gf)
Gproj[ish] += tmp
#print "K-Sum done on node",mpi.rank," at ",datetime.now()
#collect data from mpi:
for ish in xrange(self.n_shells):
Gproj[ish] <<= mpi.all_reduce(mpi.world,Gproj[ish],lambda x,y : x+y)
mpi.barrier()
#print "Data collected on node",mpi.rank," at ",datetime.now()
# Symmetrisation:
if (self.symm_op!=0): Gproj = self.Symm_par.symmetrize(Gproj)
#print "Symmetrisation done on node",mpi.rank," at ",datetime.now()
for ish in xrange(self.n_shells):
# Rotation to local:
if (self.use_rotations):
for sig,gf in Gproj[ish]: Gproj[ish][sig] <<= self.rotloc_all(ish,gf,direction='toLocal')
isp = 0
for sig,gf in Gproj[ish]: #dmg.append(Gproj[ish].density()[sig])
self.dens_mat_window[isp][ish] = Gproj[ish].density()[sig]
isp+=1
# add Density matrices to get the total:
dens_mat = [ [ self.dens_mat_below[ntoi[bln[isp]]][ish]+self.dens_mat_window[isp][ish] for ish in range(self.n_shells)]
for isp in range(len(bln)) ]
return dens_mat
def nested_calculation(clusters,
nested_struct_archive_name=None,
flexible_Gweiss=False,
sign=-1,
sign_up_to=2,
use_Gweiss_causal_cautionary=False,
use_G_proj=False,
mix_G_proj=False,
G_proj_mixing_rules=[[0, 0.0]],
Us=[1.0],
Ts=[0.125],
ns=[0.5],
fixed_n=True,
mutildes=[0.0],
dispersion=lambda kx, ky: epsilonk_square(kx, ky, 0.25),
ph_symmetry=True,
use_cumulant=False,
n_ks=[24],
n_k_automatic=False,
n_k_rules=[[0.06, 32], [0.03, 48], [0.005, 64],
[0.00, 96]],
w_cutoff=20.0,
min_its=5,
max_its=25,
mix_Sigma=False,
rules=[[0, 0.5], [6, 0.2], [12, 0.65]],
do_dmft_first=False,
use_cthyb=False,
alpha=0.5,
delta=0.1,
automatic_alpha_and_delta=False,
n_cycles=10000000,
max_time_rules=[[1, 5 * 60], [2, 20 * 60], [4, 80 * 60],
[8, 200 * 60], [16, 400 * 60]],
time_rules_automatic=False,
exponent=0.7,
overall_prefactor=1.0,
no_timing=False,
accuracy=1e-4,
solver_data_package=None,
print_current=1,
insulating_initial=False,
initial_guess_archive_name='',
suffix=''):
if mpi.is_master_node():
print "WELCOME TO %snested calculation!" % ("cumul_"
if use_cumulant else "")
if n_k_automatic: print "n_k automatic!!!"
if len(n_ks) == 0 and n_k_automatic: n_ks = [0]
if use_cthyb:
solver_class = solvers.cthyb
else:
solver_class = solvers.ctint
fermionic_struct = {'up': [0]}
if mpi.is_master_node(): print "nested structure: "
if not (nested_struct_archive_name is None):
try:
nested_scheme = nested_struct.from_file(nested_struct_archive_name)
if mpi.is_master_node():
print "nested structure loaded from file", nested_struct_archive_name
except:
nested_scheme = nested_struct(clusters)
nested_scheme.print_to_file(nested_struct_archive_name)
if mpi.is_master_node():
print "nested structure printed to file", nested_struct_archive_name
else:
nested_scheme = nested_struct(clusters)
if mpi.is_master_node(): print nested_scheme.get_tex()
impurity_struct = nested_scheme.get_impurity_struct()
if not time_rules_automatic:
max_times = {}
for C in impurity_struct:
for r in max_time_rules:
if r[0] <= len(impurity_struct[C]):
max_times[C] = r[1]
if mpi.is_master_node(): print "max_times from rules: ", max_times
beta = 1.0 / Ts[0]
n_iw = int(((w_cutoff * beta) / math.pi - 1.0) / 2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ", n_iw
if not n_k_automatic:
n_k = n_ks[0]
print "n_k = ", n_k
else:
n_k = n_k_from_rules(Ts[0], n_k_rules)
#if mpi.is_master_node(): print "n_k automatic!!!"
dt = nested_data(n_iw=n_iw,
n_k=n_k,
beta=beta,
impurity_struct=impurity_struct,
fermionic_struct=fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file")
if use_cumulant:
dt.__class__ = cumul_nested_data
dt.promote()
if fixed_n:
ps = itertools.product(n_ks, ns, Us, Ts)
else:
ps = itertools.product(n_ks, mutildes, Us, Ts)
counter = 0
old_nk = n_k
old_beta = beta
for p in ps:
#name stuff to avoid confusion
nk = (p[0] if (not n_k_automatic) else n_k_from_rules(T, n_k_rules))
if fixed_n:
n = p[1]
else:
mutilde = p[1]
n = None
U = p[2]
T = p[3]
beta = 1.0 / T
if nk != old_nk and (not n_k_automatic):
dt.change_ks(IBZ.k_grid(nk))
if beta != old_beta:
n_iw = int(((w_cutoff * beta) / math.pi - 1.0) / 2.0)
if n_k_automatic:
nk = n_k_from_rules(T, n_k_rules)
if nk != old_nk:
dt.change_ks(IBZ.k_grid(nk))
dt.change_beta(beta, n_iw)
old_beta = beta
old_nk = nk
nested_scheme.set_nk(nk) #don't forget this part
filename = "result"
if len(n_ks) > 1 and (not n_k_automatic):
filename += ".nk%s" % nk
if len(ns) > 1 and fixed_n:
filename += ".n%s" % n
if len(mutildes) > 1 and not fixed_n:
filename += ".mutilde%s" % mutilde
if len(Us) > 1: filename += ".U%s" % U
if len(Ts) > 1: filename += ".T%.4f" % T
filename += ".h5"
dt.archive_name = filename
if mpi.is_master_node():
if fixed_n:
print "Working: U: %s T %s n: %s n_k: %s n_iw: %s" % (U, n, T,
nk, n_iw)
else:
print "Working: U: %s T %s mutilde: %s n_k: %s n_iw: %s" % (
U, mutilde, T, nk, n_iw)
if mpi.is_master_node():
print "about to fill dispersion. ph-symmetry: ", ph_symmetry
for key in dt.fermionic_struct.keys():
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
dt.epsilonk[key][kxi,
kyi] = dispersion(dt.ks[kxi], dt.ks[kyi])
if not use_cumulant:
prepare = prepare_nested
else:
prepare = prepare_cumul_nested
if flexible_Gweiss:
prepare(dt, nested_scheme, solver_class, flexible_Gweiss, sign,
sign_up_to)
else:
prepare(dt, nested_scheme, solver_class, use_G_proj=use_G_proj)
solver_class.initialize_solvers(dt, solver_data_package)
max_times = {}
if no_timing:
for C in dt.impurity_struct.keys():
max_times[C] = -1
if mpi.is_master_node():
print "no_timing! solvers will run until they perform all the mc steps", max_times
if time_rules_automatic and (not no_timing):
for C in dt.impurity_struct.keys():
Nc = len(dt.impurity_struct[C])
pref = ((dt.beta / 8.0) * U * Nc)**exponent #**1.2
print C
print "Nc: ", Nc,
print "U: ", U,
print "beta: ", dt.beta,
print "pref: ", pref
max_times[C] = int(overall_prefactor * pref * 5 * 60)
if mpi.is_master_node(): print "max times automatic: ", max_times
identical_pairs_Sigma = nested_scheme.get_identical_pairs()
identical_pairs_G = nested_scheme.get_identical_pairs_for_G()
identical_pairs_G_ai = nested_scheme.get_identical_pairs_for_G(
across_imps=True)
actions = [
generic_action(name="lattice",
main=lambda data: nested_mains.lattice(
data,
n=n,
ph_symmetry=ph_symmetry,
accepted_mu_range=[-2.0, 2.0]),
mixers=[],
cautionaries=[],
allowed_errors=[],
printout=lambda data, it: ([
data.dump_general(quantities=['Gkw', 'Gijw'] +
(['G_proj_iw']
if use_G_proj else []),
suffix='-current'),
data.dump_scalar(suffix='-current')
] if ((it + 1) % print_current == 0) else None)),
generic_action(
name="pre_impurity",
main=lambda data: nested_mains.pre_impurity(data),
mixers=[],
cautionaries=([
lambda data, it: ph_symmetric_Gweiss_causal_cautionary(
data, ntau=5000)
] if use_Gweiss_causal_cautionary else []),
allowed_errors=([0] if use_Gweiss_causal_cautionary else []),
printout=lambda data, it: (
(data.dump_general(quantities=[
'Gweiss_iw_unfit', 'Gweiss_iw', 'Delta_iw',
'Delta_iw_fit', 'Delta_tau', 'Delta_tau_fit'
],
suffix='-%s' % it))
if use_Gweiss_causal_cautionary else (data.dump_general(
quantities=['Gweiss_iw'], suffix='-current')))),
generic_action(
name="impurity",
main=(lambda data: nested_mains.impurity(
data,
U,
symmetrize_quantities=True,
alpha=alpha,
delta=delta,
automatic_alpha_and_delta=automatic_alpha_and_delta,
n_cycles=n_cycles,
max_times=max_times,
solver_data_package=solver_data_package)) if
(not use_cthyb) else (lambda data: nested_mains.impurity_cthyb(
data,
U,
symmetrize_quantities=True,
n_cycles=n_cycles,
max_times=max_times,
solver_data_package=solver_data_package)),
mixers=[],
cautionaries=[
lambda data, it: local_nan_cautionary(data,
data.impurity_struct,
Qs=['Sigma_imp_iw'],
raise_exception=True
), lambda data, it:
(symmetric_G_and_self_energy_on_impurity(
data.G_imp_iw,
data.Sigma_imp_iw,
data.solvers,
identical_pairs_Sigma,
identical_pairs_G,
across_imps=True,
identical_pairs_G_ai=identical_pairs_G_ai)
if it >= 0 else symmetrize_cluster_impurity(
data.Sigma_imp_iw, identical_pairs_Sigma))
],
allowed_errors=[1],
printout=lambda data, it: ([
data.dump_general(quantities=['Sigma_imp_iw', 'G_imp_iw'],
suffix='-current'),
data.dump_solvers(suffix='-current')
] if ((it + 1) % print_current == 0) else None)),
generic_action(
name="selfenergy",
main=lambda data: nested_mains.selfenergy(data),
mixers=[],
cautionaries=[
lambda data, it: nonloc_sign_cautionary(data.Sigmakw['up'],
desired_sign=-1,
clip_off=False,
real_or_imag='imag'
)
],
allowed_errors=[0],
printout=lambda data, it:
(data.dump_general(quantities=['Sigmakw', 'Sigmaijw'],
suffix='-current')
if ((it + 1) % print_current == 0) else None))
]
if use_cumulant:
del actions[3]
actions.append(
generic_action(
name="cumulant",
main=lambda data: cumul_nested_mains.cumulant(data),
mixers=[],
cautionaries=[
lambda data, it: nonloc_sign_cautionary(
data.gkw['up'],
desired_sign=-1,
clip_off=False,
real_or_imag='imag')
],
allowed_errors=[0],
printout=lambda data, it:
(data.dump_general(quantities=['gijw', 'gkw'],
suffix='-current')
if ((it + 1) % print_current == 0) else None)))
monitors = [
monitor(monitored_quantity=lambda: dt.ns['up'],
h5key='n_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.mus['up'],
h5key='mu_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.err,
h5key='err_vs_it',
archive_name=dt.archive_name)
] #,
# monitor( monitored_quantity = lambda: actions[3].errs[0],
# h5key = 'sign_err_vs_it',
# archive_name = dt.archive_name) ]
if use_cumulant:
monitors += [
monitor(monitored_quantity=lambda: dt.gijw['up'][dt.nw / 2, 0,
0].imag,
h5key='Img_00_w0_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.gijw['up'][dt.nw / 2, 0,
0].real,
h5key='Reg_00_iw0_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.gkw['up'][
dt.nw / 2, dt.n_k / 2, dt.n_k / 2].imag,
h5key='Img_pipi_iw0_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.gkw['up'][
dt.nw / 2, dt.n_k / 2, dt.n_k / 2].real,
h5key='Reg_pipi_iw0_vs_it',
archive_name=dt.archive_name)
]
else:
monitors += [
monitor(monitored_quantity=lambda: dt.Sigma_loc_iw['up'].data[
dt.nw / 2, 0, 0].imag,
h5key='ImSigma_loc_iw0_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.Sigma_loc_iw['up'].data[
dt.nw / 2, 0, 0].real,
h5key='ReSigma_loc_iw0_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.Sigmakw['up'][
dt.nw / 2, dt.n_k / 2, dt.n_k / 2].imag,
h5key='ImSigmakw_pipi_vs_it',
archive_name=dt.archive_name),
monitor(monitored_quantity=lambda: dt.Sigmakw['up'][
dt.nw / 2, dt.n_k / 2, dt.n_k / 2].real,
h5key='ReSigmakw_pipi_vs_it',
archive_name=dt.archive_name)
]
convergers = [
converger(monitored_quantity=lambda: dt.G_loc_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key='diffs_G_loc'),
converger(monitored_quantity=lambda: dt.Sigma_loc_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key='diffs_Sigma_loc'),
converger(monitored_quantity=lambda: dt.G_imp_iw,
accuracy=accuracy,
struct=impurity_struct,
archive_name=dt.archive_name,
h5key='diffs_G_imp'),
converger(monitored_quantity=lambda: dt.Gweiss_iw,
accuracy=accuracy,
struct=impurity_struct,
archive_name=dt.archive_name,
h5key='diffs_Gweiss')
]
max_dist = 3
for i in range(max_dist + 1):
for j in range(0, i + 1):
convergers.append(
converger(monitored_quantity=lambda i=i, j=j: dt.Gijw['up']
[:, i, j],
accuracy=accuracy,
func=converger.check_numpy_array,
archive_name=dt.archive_name,
h5key='diffs_G_%s%s' % (i, j)))
dmft = generic_loop(name="nested-cluster DMFT",
actions=actions,
convergers=convergers,
monitors=monitors)
if (counter == 0): #do the initial guess only once!
if initial_guess_archive_name != '':
if mpi.is_master_node():
print "constructing dt from initial guess in a file: ", initial_guess_archive_name, "suffix: ", suffix
old_epsilonk = dt.epsilonk
dt.construct_from_file(initial_guess_archive_name, suffix)
if dt.beta != beta:
dt.change_beta(beta, n_iw)
if dt.n_k != nk:
dt.change_ks(IBZ.k_grid(nk))
if mpi.is_master_node():
print "putting back the old Jq and epsilonk"
dt.epsilonk = old_epsilonk
else:
if not fixed_n:
dt.mus['up'] = mutilde
else:
dt.mus['up'] = U / 2.0
if 'down' in dt.fermionic_struct.keys():
dt.mus['down'] = dt.mus[
'up'] #this is not necessary at the moment, but may become
for C in dt.impurity_struct.keys():
for l in dt.impurity_struct[
C]: #just the local components (but on each site!)
dt.Sigma_imp_iw[C].data[:, l, l] = U / 2.0 - int(
insulating_initial) * 1j / numpy.array(dt.ws)
if not use_cumulant:
for key in fermionic_struct.keys():
dt.Sigmakw[key][:, :, :] = U / 2.0
numpy.transpose(dt.Sigmakw[key])[:] -= int(
insulating_initial) * 1j / numpy.array(dt.ws)
else:
for key in fermionic_struct.keys():
numpy.transpose(dt.gkw[key])[:] = numpy.array(
dt.iws[:])**(-1.0)
if not use_cumulant:
dt.dump_general(quantities=['Sigmakw', 'Sigma_imp_iw'],
suffix='-initial')
else:
dt.dump_general(quantities=['gkw'], suffix='-initial')
if (counter == 0) and do_dmft_first:
assert False, "this part of code needs to be adjusted"
#do one short run of dmft before starting nested
if mpi.is_master_node():
print "================= 20 iterations of DMFT!!!! ================="
#save the old stuff
old_impurity_struct = dt.impurity_struct
old_name = dmft.name
#dmft_scheme
dmft_scheme = nested_scheme([cluster(0, 0, 1, 1)])
dmft_scheme.set_nk(dt.n_k)
dt.impurity_struct = dmft_scheme.get_impurity_struct()
prepare_nested(dt, dmft_scheme, solvers.ctint)
dmft.name = "dmft"
#run dmft
dmft.run(dt,
max_its=20,
min_its=15,
max_it_err_is_allowed=7,
print_final=True,
print_current=10000)
#move the result
if mpi.is_master_node():
cmd = 'mv %s %s' % (filename, filename.replace(
"result", "dmft"))
print cmd
os.system(cmd)
#put everything back the way it was
dmft.name = old_name
dt.impurity_struct = old_impurity_struct
prepare(dt, nested_scheme, solver_class)
#run nested!-------------
if mix_Sigma:
actions[3].mixers.extend([
mixer(mixed_quantity=lambda: (dt.Sigmakw if
(not use_cumulant) else dt.gkw),
rules=rules,
func=mixer.mix_lattice_gf,
initialize=True)
])
actions[2].mixers.extend([
mixer(mixed_quantity=lambda: dt.Sigma_imp_iw,
rules=rules,
func=mixer.mix_block_gf,
initialize=True)
])
if mix_G_proj:
actions[0].mixers.append(
mixer(mixed_quantity=lambda: dt.G_proj_iw,
rules=G_proj_mixing_rules,
func=mixer.mix_block_gf,
initialize=True))
dt.dump_parameters()
dt.dump_non_interacting()
err = dmft.run(dt,
max_its=max_its,
min_its=min_its,
max_it_err_is_allowed=7,
print_final=True,
print_current=1)
if mpi.is_master_node():
if use_cumulant:
print "calculating Sigma"
dt.get_Sigmakw()
dt.get_Sigma_loc()
dt.dump_general(['Sigmakw', 'Sigma_loc_iw'], suffix='-final')
cmd = 'mv %s %s' % (filename, filename.replace("result", "nested"))
print cmd
os.system(cmd)
if (err == 2):
print "Cautionary error!!! exiting..."
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
break
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
counter += 1
if not (solver_data_package is None):
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
return dt, monitors, convergers
def run_dmft_loops(self, n_dmft_loops = 1):
"""runs the DMFT calculation"""
clp = p = CleanLoopParameters(self.get_parameters())
report = Reporter(**clp)
report('Parameters:', clp)
scheme = Scheme(**clp)
dmft = DMFTObjects(**clp)
raw_dmft = DMFTObjects(**clp)
g_0_c_iw, g_c_iw, sigma_c_iw, dmu = dmft.get_dmft_objs() # ref, ref, ref, value
report('Initializing...')
if clp['nambu']:
transf = NambuTransformation(**clp)
scheme.set_pretransf(transf.pretransformation(), transf.pretransformation_inverse())
raw_transf = NambuTransformation(**clp)
else:
transf = ClustersiteTransformation(g_loc = scheme.g_local(sigma_c_iw, dmu), **clp)
clp.update({'g_transf_struct': transf.get_g_struct()})
raw_transf = ClustersiteTransformation(**clp)
transf.set_hamiltonian(**clp)
report('Transformation ready')
report('New basis:', transf.get_g_struct())
impurity = Solver(beta = clp['beta'], gf_struct = dict(transf.get_g_struct()),
n_tau = clp['n_tau'], n_iw = clp['n_iw'], n_l = clp['n_legendre'])
impurity.Delta_tau.name = '$\\tilde{\\Delta}_c$'
rnames = random_generator_names_list()
report('H = ', transf.hamiltonian)
report('Impurity solver ready')
report('')
for loop_nr in range(self.next_loop(), self.next_loop() + n_dmft_loops):
report('DMFT-loop nr. %s'%loop_nr)
if mpi.is_master_node(): duration = time()
report('Calculating dmu...')
dmft.find_dmu(scheme, **clp)
g_0_c_iw, g_c_iw, sigma_c_iw, dmu = dmft.get_dmft_objs()
report('dmu = %s'%dmu)
report('Calculating local Greenfunction...')
g_c_iw << scheme.g_local(sigma_c_iw, dmu)
g_c_iw << addExtField(g_c_iw, p['ext_field'])
if mpi.is_master_node() and p['verbosity'] > 1: checksym_plot(g_c_iw, p['archive'][0:-3] + 'Gchecksym' + str(loop_nr) + '.pdf')
report('Calculating Weiss-field...')
g_0_c_iw << inverse(inverse(g_c_iw) + sigma_c_iw)
dmft.make_g_0_iw_with_delta_tau_real()
report('Changing basis...')
transf.set_dmft_objs(*dmft.get_dmft_objs())
if mpi.is_master_node() and p['verbosity'] > 1:
checktransf_plot(transf.get_g_iw(), p['archive'][0:-3] + 'Gchecktransf' + str(loop_nr) + '.pdf')
checktransf_plot(g_0_c_iw, p['archive'][0:-3] + 'Gweisscheck' + str(loop_nr) + '.pdf')
checksym_plot(inverse(transf.g_0_iw), p['archive'][0:-3] + 'invGweisscheckconst' + str(loop_nr) + '.pdf')
#checksym_plot(inverse(transf.get_g_iw()), p['archive'][0:-3] + 'invGsymcheckconst' + str(loop_nr) + '.pdf')
if not clp['random_name']: clp.update({'random_name': rnames[int((loop_nr + mpi.rank) % len(rnames))]}) # TODO move
if not clp['random_seed']: clp.update({'random_seed': 862379 * mpi.rank + 12563 * self.next_loop()})
impurity.G0_iw << transf.get_g_0_iw()
report('Solving impurity problem...')
mpi.barrier()
impurity.solve(h_int = transf.get_hamiltonian(), **clp.get_cthyb_parameters())
if mpi.is_master_node() and p['verbosity'] > 1:
checksym_plot(inverse(impurity.G0_iw), p['archive'][0:-3] + 'invGweisscheckconstsolver' + str(loop_nr) + '.pdf')
report('Postprocessing measurements...')
if clp['measure_g_l']:
for ind, g in transf.get_g_iw(): g << LegendreToMatsubara(impurity.G_l[ind])
else:
for ind, g in transf.get_g_iw(): g.set_from_fourier(impurity.G_tau[ind])
raw_transf.set_dmft_objs(transf.get_g_0_iw(),
transf.get_g_iw(),
inverse(transf.get_g_0_iw()) - inverse(transf.get_g_iw()))
if clp['measure_g_tau'] and clp['fit_tail']:
for ind, g in transf.get_g_iw():
for tind in transf.get_g_struct():
if tind[0] == ind: block_inds = tind[1]
fixed_moments = TailGf(len(block_inds), len(block_inds), 1, 1)
fixed_moments[1] = identity(len(block_inds))
g.fit_tail(fixed_moments, 3, clp['tail_start'], clp['n_iw'] - 1)
if mpi.is_master_node() and p['verbosity'] > 1: checksym_plot(inverse(transf.get_g_iw()), p['archive'][0:-3] + 'invGsymcheckconstsolver' + str(loop_nr) + '.pdf')
report('Backtransforming...')
transf.set_sigma_iw(inverse(transf.get_g_0_iw()) - inverse(transf.get_g_iw()))
dmft.set_dmft_objs(*transf.get_backtransformed_dmft_objs())
dmft.set_dmu(dmu)
raw_dmft.set_dmft_objs(*raw_transf.get_backtransformed_dmft_objs())
raw_dmft.set_dmu(dmu)
if clp['mix']: dmft.mix()
if clp['impose_paramagnetism']: dmft.paramagnetic()
if clp['impose_afm']: dmft.afm()
if clp['site_symmetries']: dmft.site_symmetric(clp['site_symmetries'])
density = scheme.apply_pretransf_inv(dmft.get_g_iw(), True).total_density()
report('Saving results...')
if mpi.is_master_node():
a = HDFArchive(p['archive'], 'a')
if not a.is_group('results'):
a.create_group('results')
a_r = a['results']
a_r.create_group(str(loop_nr))
a_l = a_r[str(loop_nr)]
a_l['g_c_iw'] = dmft.get_g_iw()
a_l['g_c_iw_raw'] = raw_dmft.get_g_iw()
a_l['g_transf_iw'] = transf.get_g_iw()
a_l['g_transf_iw_raw'] = raw_transf.get_g_iw()
a_l['sigma_c_iw'] = dmft.get_sigma_iw()
a_l['sigma_c_iw_raw'] = raw_dmft.get_sigma_iw()
a_l['sigma_transf_iw'] = transf.get_sigma_iw()
a_l['sigma_transf_iw_raw'] = raw_transf.get_sigma_iw()
a_l['g_0_c_iw'] = dmft.get_g_0_iw()
a_l['g_0_c_iw_raw'] = raw_dmft.get_g_0_iw()
a_l['g_0_transf_iw'] = transf.get_g_0_iw()
a_l['g_0_transf_iw_raw'] = raw_transf.get_g_0_iw()
a_l['dmu'] = dmft.get_dmu()
a_l['density'] = density
a_l['loop_time'] = {'seconds': time() - duration,
'hours': (time() - duration)/3600.,
'days': (time() - duration)/3600./24.}
a_l['n_cpu'] = mpi.size
a_l['cdmft_code_version'] = CDmft._version
clp_dict = dict()
clp_dict.update(clp)
a_l['parameters'] = clp_dict
a_l['triqs_code_version'] = version
a_l['delta_transf_tau'] = impurity.Delta_tau
if clp['measure_g_l']: a_l['g_transf_l'] = impurity.G_l
if clp['measure_g_tau']: a_l['g_transf_tau'] = impurity.G_tau
a_l['sign'] = impurity.average_sign
if clp['measure_density_matrix']: a_l['density_matrix'] = impurity.density_matrix
a_l['g_atomic_tau'] = impurity.atomic_gf
a_l['h_loc_diagonalization'] = impurity.h_loc_diagonalization
if a_r.is_data('n_dmft_loops'):
a_r['n_dmft_loops'] += 1
else:
a_r['n_dmft_loops'] = 1
del a_l, a_r, a
report('Loop done')
report('')
mpi.barrier()
def solve_lattice_bse(g_wk, gamma_wnn, tail_corr_nwf=None):
r""" Compute the generalized lattice susceptibility
:math:`\chi_{abcd}(\omega, \mathbf{k})` using the Bethe-Salpeter
equation (BSE).
Parameters
----------
g_wk : Single-particle Green's function :math:`G_{ab}(\omega, \mathbf{k})`.
gamma_wnn : Local particle-hole vertex function
:math:`\Gamma_{abcd}(\omega, \nu, \nu')`
tail_corr_nwf : Number of fermionic freqiencies to use in the
tail correction of the sum over fermionic frequencies.
Returns
-------
chi0_wk : Generalized lattice susceptibility
:math:`\chi_{abcd}(\omega, \mathbf{k})`
"""
fmesh_g = g_wk.mesh.components[0]
kmesh = g_wk.mesh.components[1]
bmesh = gamma_wnn.mesh.components[0]
fmesh = gamma_wnn.mesh.components[1]
nk = len(kmesh)
nw = (len(bmesh) + 1) / 2
nwf = len(fmesh) / 2
nwf_g = len(fmesh_g) / 2
if mpi.is_master_node():
print tprf_banner(), "\n"
print 'Lattcie BSE with local vertex approximation.\n'
print 'nk =', nk
print 'nw =', nw
print 'nwf =', nwf
print 'nwf_g =', nwf_g
print 'tail_corr_nwf =', tail_corr_nwf
print
if tail_corr_nwf is None:
tail_corr_nwf = nwf
mpi.report('--> chi0_wnk_tail_corr')
chi0_wnk_tail_corr = get_chi0_wnk(g_wk, nw=nw, nwf=tail_corr_nwf)
mpi.report('--> trace chi0_wnk_tail_corr (WARNING! NO TAIL FIT. FIXME!)')
chi0_wk_tail_corr = chi0q_sum_nu_tail_corr_PH(chi0_wnk_tail_corr)
#chi0_wk_tail_corr = chi0q_sum_nu(chi0_wnk_tail_corr)
mpi.barrier()
mpi.report('B1 ' +
str(chi0_wk_tail_corr[Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
mpi.barrier()
mpi.report('--> chi0_wnk_tail_corr to chi0_wnk')
if tail_corr_nwf != nwf:
mpi.report('--> fixed_fermionic_window_python_wnk')
chi0_wnk = fixed_fermionic_window_python_wnk(chi0_wnk_tail_corr,
nwf=nwf)
else:
chi0_wnk = chi0_wnk_tail_corr.copy()
del chi0_wnk_tail_corr
mpi.barrier()
mpi.report('C ' + str(chi0_wnk[Idx(0), Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
mpi.barrier()
mpi.report('--> trace chi0_wnk')
chi0_wk = chi0q_sum_nu(chi0_wnk)
mpi.barrier()
mpi.report('D ' + str(chi0_wk[Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
mpi.barrier()
dchi_wk = chi0_wk_tail_corr - chi0_wk
chi0_kw = Gf(mesh=MeshProduct(kmesh, bmesh),
target_shape=chi0_wk_tail_corr.target_shape)
chi0_kw.data[:] = chi0_wk_tail_corr.data.swapaxes(0, 1)
del chi0_wk
del chi0_wk_tail_corr
assert (chi0_wnk.mesh.components[0] == bmesh)
assert (chi0_wnk.mesh.components[1] == fmesh)
assert (chi0_wnk.mesh.components[2] == kmesh)
# -- Lattice BSE calc with built in trace
mpi.report('--> chi_kw from BSE')
#mpi.report('DEBUG BSE INACTIVE'*72)
chi_kw = chiq_sum_nu_from_chi0q_and_gamma_PH(chi0_wnk, gamma_wnn)
#chi_kw = chi0_kw.copy()
mpi.barrier()
mpi.report('--> chi_kw from BSE (done)')
del chi0_wnk
mpi.report('--> chi_kw tail corrected (using chi0_wnk)')
for k in kmesh:
chi_kw[
k, :] += dchi_wk[:,
k] # -- account for high freq of chi_0 (better than nothing)
del dchi_wk
mpi.report('--> solve_lattice_bse, done.')
return chi_kw, chi0_kw
def __call__ (self, Sigma, mu=0, eta=0, field=None, epsilon_hat=None, result=None, selected_blocks=()):
"""
- Computes:
result <- \[ \sum_k (\omega + \mu - field - t(k) - Sigma(k,\omega)) \]
if result is None, it returns a new GF with the results.
otherwise, result must be a GF, in which the calculation is done, and which is then returned.
(this allows chain calculation: SK(mu = mu,Sigma = Sigma, result = G).total_density()
which computes the sumK into G, and returns the density of G.
- Sigma can be a X, or a function k-> X or a function k,eps ->X where:
- k is expected to be a 1d-numpy array of size self.dim of float,
containing the k vector in the basis of the RBZ (i.e. -0.5< k_i <0.5)
- eps is t(k)
- X is anything such that X[BlockName] can be added/subtracted to a GFBloc for BlockName in selected_blocks.
e.g. X can be a BlockGf(with at least the selected_blocks), or a dictionnary Blockname -> array
if the array has the same dimension as the GF blocks (for example to add a static Sigma).
- field: Any k independant object to be added to the GF
- epsilon_hat: a function of eps_k returning a matrix, the dimensions of Sigma
- selected_blocks: The calculation is done with the SAME t(k) for all blocks. If this list is not None
only the blocks in this list are calculated.
e.g. G and Sigma have block indices 'up' and 'down'.
if selected_blocks ==None: 'up' and 'down' are calculated
if selected_blocks == ['up']: only 'up' is calculated. 'down' is 0.
"""
assert selected_blocks == (), "selected_blocks not supported for now"
#S = Sigma.view_selected_blocks(selected_blocks) if selected_blocks else Sigma
#Gres = result if result else Sigma.copy()
#G = Gres.view_selected_blocks(selected_blocks) if selected_blocks else Gres
# check Sigma
# case 1) Sigma is a BlockGf
if isinstance(Sigma, BlockGf):
model = Sigma
Sigma_fnt = False
# case 2) Sigma is a function returning a BlockGf
else:
assert callable(Sigma), "If Sigma is not a BlockGf it must be a function"
Sigma_Nargs = len(inspect.getargspec(Sigma)[0])
assert Sigma_Nargs <= 2, "Sigma must be a function of k or of k and epsilon"
if Sigma_Nargs == 1:
model = Sigma(self.bz_points[0])
elif Sigma_Nargs == 2:
model = Sigma(self.bz_points[0], self.hopping[0])
Sigma_fnt = True
G = result if result else model.copy()
assert isinstance(G,BlockGf), "G must be a BlockGf"
# check input
assert self.orthogonal_basis, "Local_G: must be orthogonal. non ortho cases not checked."
assert len(list(set([g.N1 for i,g in G]))) == 1
assert self.bz_weights.shape[0] == self.n_kpts(), "Internal Error"
no = list(set([g.N1 for i,g in G]))[0]
# Initialize
G.zero()
tmp,tmp2 = G.copy(),G.copy()
mupat = mu * numpy.identity(no, numpy.complex_)
tmp << iOmega_n
if field != None: tmp -= field
if not Sigma_fnt: tmp -= Sigma # substract Sigma once for all
# Loop on k points...
for w, k, eps_k in izip(*[mpi.slice_array(A) for A in [self.bz_weights, self.bz_points, self.hopping]]):
eps_hat = epsilon_hat(eps_k) if epsilon_hat else eps_k
tmp2 << tmp
tmp2 -= tmp2.n_blocks * [eps_hat - mupat]
if Sigma_fnt:
if Sigma_Nargs == 1: tmp2 -= Sigma(k)
elif Sigma_Nargs == 2: tmp2 -= Sigma(k,eps_k)
tmp2.invert()
tmp2 *= w
G += tmp2
G << mpi.all_reduce(mpi.world,G,lambda x,y: x+y)
mpi.barrier()
return G
def run_all(vasp_pid):
"""
"""
mpi.report(" Waiting for VASP lock to appear...")
while not is_vasp_lock_present():
time.sleep(1)
vasp_running = True
while vasp_running:
if debug: print bcolors.RED + "rank %s"%(mpi.rank) + bcolors.ENDC
mpi.report(" Waiting for VASP lock to disappear...")
mpi.barrier()
while is_vasp_lock_present():
time.sleep(1)
# if debug: print bcolors.YELLOW + " waiting: rank %s"%(mpi.rank) + bcolors.ENDC
if not is_vasp_running(vasp_pid):
mpi.report(" VASP stopped")
vasp_running = False
break
if debug: print bcolors.MAGENTA + "rank %s"%(mpi.rank) + bcolors.ENDC
err = 0
exc = None
try:
if debug: print bcolors.BLUE + "plovasp: rank %s"%(mpi.rank) + bcolors.ENDC
if mpi.is_master_node():
plovasp.generate_and_output_as_text('plo.cfg', vasp_dir='./')
# Read energy from OSZICAR
dft_energy = get_dft_energy()
except Exception, exc:
err = 1
err = mpi.bcast(err)
if err:
if mpi.is_master_node():
raise exc
else:
raise SystemExit(1)
mpi.barrier()
try:
if debug: print bcolors.GREEN + "rank %s"%(mpi.rank) + bcolors.ENDC
corr_energy, dft_dc = dmft_cycle()
except:
if mpi.is_master_node():
print " master forwarding the exception..."
raise
else:
print " rank %i exiting..."%(mpi.rank)
raise SystemExit(1)
mpi.barrier()
if mpi.is_master_node():
total_energy = dft_energy + corr_energy - dft_dc
print
print "="*80
print " Total energy: ", total_energy
print " DFT energy: ", dft_energy
print " Corr. energy: ", corr_energy
print " DFT DC: ", dft_dc
print "="*80
print
if mpi.is_master_node() and vasp_running:
open('./vasp.lock', 'a').close()
def run(
self,
data,
calculation_name='',
total_debug=False,
n_loops_max=100,
n_loops_min=5,
print_local=1,
print_impurity_input=1,
print_non_local=1,
print_three_leg=1,
print_impurity_output=1,
skip_self_energy_on_first_iteration=False, #1 every iteration, 2 every second, -2 never (except for final)
mix_after_selfenergy=False,
last_iteration_err_is_allowed=15):
for mixer in (self.mixers + self.imp_mixers):
mixer.get_initial()
for conv in self.convergers:
conv.reset()
for monitor in self.monitors:
monitor.reset()
if not (self.cautionary is None):
self.cautionary.reset()
if mpi.is_master_node():
data.dump_parameters(suffix='')
data.dump_non_interacting(suffix='')
converged = False
failed = False
for loop_index in range(n_loops_max):
if mpi.is_master_node():
print "---------------------------- loop_index: ", loop_index, "/", n_loops_max, "---------------------------------"
times = []
times.append((time(), "selfenergy"))
if loop_index != 0 or not skip_self_energy_on_first_iteration:
self.selfenergy(data=data)
times.append((time(), "mixing 1"))
if mix_after_selfenergy:
for mixer in self.mixers:
mixer.mix(loop_index)
times.append((time(), "cautionary"))
if not (self.cautionary is None):
data.err = self.cautionary.check_and_fix(data)
if data.err and (loop_index > last_iteration_err_is_allowed):
failed = True
times.append((time(), "lattice"))
self.lattice(data=data)
times.append((time(), "pre_impurity"))
self.pre_impurity(data=data)
times.append((time(), "dump_impurity_input"))
if mpi.is_master_node() and ((loop_index + 1) %
print_impurity_input == 0):
data.dump_impurity_input(suffix='-%s' % loop_index)
times.append((time(), "impurity"))
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
self.impurity(data=data)
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
times.append((time(), "dump_impurity_output and mix impurity"))
if mpi.is_master_node():
if (loop_index + 1) % print_local == 0:
data.dump_solver(suffix='-%s' % loop_index)
for mixer in self.imp_mixers:
mixer.mix(loop_index)
times.append((time(), "post_impurity"))
self.post_impurity(data=data)
times.append((time(), "convergers"))
c = True
for conv in self.convergers:
if not conv.check():
c = False
converged = c #here we are checking that all have converged, not that at least one has converged
times.append((time(), "mixing 2"))
if not converged and not mix_after_selfenergy:
for mixer in self.mixers:
mixer.mix(loop_index)
times.append((time(), "monitors"))
for monitor in self.monitors:
monitor.monitor()
times.append((time(), "dumping"))
if mpi.is_master_node():
data.dump_errors(suffix='-%s' % loop_index)
data.dump_scalar(suffix='-%s' % loop_index)
if (loop_index + 1) % print_local == 0:
data.dump_local(suffix='-%s' % loop_index)
if (loop_index + 1) % print_three_leg == 0:
data.dump_three_leg(suffix='-%s' % loop_index)
if (loop_index + 1) % print_non_local == 0:
data.dump_non_local(suffix='-%s' % loop_index)
A = HDFArchive(data.archive_name)
A['max_index'] = loop_index
del A
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if (mpi.rank == 0
or mpi.rank == 1) and total_debug: #total debug option
archive_name = 'full_data'
if calculation_name != '':
archive_name += '_%s' % calculation_name
archive_name += '.rank%s' % (mpi.rank)
print "about to dump all data in ", archive_name
data.dump_all(suffix='-%s' % loop_index,
archive_name=archive_name)
times.append((time(), ""))
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if mpi.is_master_node():
self.print_timings(times)
if (converged and loop_index > n_loops_min) or failed: break
if not (self.after_it_is_done is None):
self.after_it_is_done(
data
) #notice that if we don't say data=data we can pass a method of data for after_it_is_done, such that here self=data
if mpi.is_master_node():
data.dump_all(suffix='-final')
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if converged:
return 0
else:
if failed:
return 2 #probably hitting AFM
else:
return 1 #maximum number of loops reached
def __call__ (self, Sigma, mu=0, eta=0, field=None, epsilon_hat=None, result=None, selected_blocks=()):
"""
- Computes:
result <- \[ \sum_k (\omega + \mu - field - t(k) - Sigma(k,\omega)) \]
if result is None, it returns a new GF with the results.
otherwise, result must be a GF, in which the calculation is done, and which is then returned.
(this allows chain calculation: SK(mu = mu,Sigma = Sigma, result = G).total_density()
which computes the sumK into G, and returns the density of G.
- Sigma can be a X, or a function k-> X or a function k,eps ->X where:
- k is expected to be a 1d-numpy array of size self.dim of float,
containing the k vector in the basis of the RBZ (i.e. -0.5< k_i <0.5)
- eps is t(k)
- X is anything such that X[BlockName] can be added/subtracted to a GFBloc for BlockName in selected_blocks.
e.g. X can be a BlockGf(with at least the selected_blocks), or a dictionnary Blockname -> array
if the array has the same dimension as the GF blocks (for example to add a static Sigma).
- field: Any k independant object to be added to the GF
- epsilon_hat: a function of eps_k returning a matrix, the dimensions of Sigma
- selected_blocks: The calculation is done with the SAME t(k) for all blocks. If this list is not None
only the blocks in this list are calculated.
e.g. G and Sigma have block indices 'up' and 'down'.
if selected_blocks ==None: 'up' and 'down' are calculated
if selected_blocks == ['up']: only 'up' is calculated. 'down' is 0.
"""
assert selected_blocks == (), "selected_blocks not supported for now"
#S = Sigma.view_selected_blocks(selected_blocks) if selected_blocks else Sigma
#Gres = result if result else Sigma.copy()
#G = Gres.view_selected_blocks(selected_blocks) if selected_blocks else Gres
# check Sigma
# case 1) Sigma is a BlockGf
if isinstance(Sigma, BlockGf):
model = Sigma
Sigma_fnt = False
# case 2) Sigma is a function returning a BlockGf
else:
assert callable(Sigma), "If Sigma is not a BlockGf it must be a function"
Sigma_Nargs = len(inspect.getargspec(Sigma)[0])
assert Sigma_Nargs <= 2, "Sigma must be a function of k or of k and epsilon"
if Sigma_Nargs == 1:
model = Sigma(self.bz_points[0])
elif Sigma_Nargs == 2:
model = Sigma(self.bz_points[0], self.hopping[0])
Sigma_fnt = True
G = result if result else model.copy()
assert isinstance(G,BlockGf), "G must be a BlockGf"
# check input
assert self.orthogonal_basis, "Local_G: must be orthogonal. non ortho cases not checked."
assert len(list(set([g.target_shape[0] for i,g in G]))) == 1
assert self.bz_weights.shape[0] == self.n_kpts(), "Internal Error"
no = list(set([g.target_shape[0] for i,g in G]))[0]
# Initialize
G.zero()
tmp,tmp2 = G.copy(),G.copy()
mupat = mu * numpy.identity(no, numpy.complex_)
tmp << iOmega_n
if field != None: tmp -= field
if not Sigma_fnt: tmp -= Sigma # substract Sigma once for all
# Loop on k points...
for w, k, eps_k in izip(*[mpi.slice_array(A) for A in [self.bz_weights, self.bz_points, self.hopping]]):
eps_hat = epsilon_hat(eps_k) if epsilon_hat else eps_k
tmp2 << tmp
tmp2 -= tmp2.n_blocks * [eps_hat - mupat]
if Sigma_fnt:
if Sigma_Nargs == 1: tmp2 -= Sigma(k)
elif Sigma_Nargs == 2: tmp2 -= Sigma(k,eps_k)
tmp2.invert()
tmp2 *= w
G += tmp2
G << mpi.all_reduce(mpi.world,G,lambda x,y: x+y)
mpi.barrier()
return G
def run(data,
no_fermionic_bath,
symmetrize_quantities=True,
trilex=False,
n_w_f=2,
n_w_b=2,
n_cycles=20000,
max_time=10 * 60,
hartree_shift=0.0,
solver_data_package=None):
#------- run solver
try:
if solver_data_package is None:
solver_data_package = {}
solver_data_package['solve_parameters'] = {}
#solver_data_package['solve_parameters']['h_int'] = lambda: data.U_inf * n('up',0) * n('down',0)
solver_data_package['solve_parameters']['U_inf'] = data.U_inf
solver_data_package['solve_parameters']['hartree_shift'] = [
hartree_shift, hartree_shift
]
solver_data_package['solve_parameters']['n_cycles'] = n_cycles
solver_data_package['solve_parameters']['length_cycle'] = 1000
solver_data_package['solve_parameters'][
'n_warmup_cycles'] = 1000
solver_data_package['solve_parameters']['max_time'] = max_time
solver_data_package['solve_parameters']['measure_nn'] = True
solver_data_package['solve_parameters']['measure_nnw'] = True
solver_data_package['solve_parameters'][
'measure_chipmt'] = True
solver_data_package['solve_parameters']['measure_gt'] = False
solver_data_package['solve_parameters']['measure_ft'] = False
solver_data_package['solve_parameters'][
'measure_gw'] = not no_fermionic_bath
solver_data_package['solve_parameters'][
'measure_fw'] = not no_fermionic_bath
solver_data_package['solve_parameters']['measure_g2w'] = trilex
solver_data_package['solve_parameters']['measure_f2w'] = False
solver_data_package['solve_parameters']['measure_hist'] = True
solver_data_package['solve_parameters'][
'measure_hist_composite'] = True
solver_data_package['solve_parameters']['measure_nnt'] = False
solver_data_package['solve_parameters'][
'move_group_into_spin_segment'] = not no_fermionic_bath
solver_data_package['solve_parameters'][
'move_split_spin_segment'] = not no_fermionic_bath
solver_data_package['solve_parameters'][
'move_swap_empty_lines'] = True
solver_data_package['solve_parameters'][
'move_move'] = not no_fermionic_bath
solver_data_package['solve_parameters'][
'move_insert_segment'] = not no_fermionic_bath
solver_data_package['solve_parameters'][
'move_remove_segment'] = not no_fermionic_bath
solver_data_package['solve_parameters']['n_w_f_vertex'] = n_w_f
solver_data_package['solve_parameters']['n_w_b_vertex'] = n_w_b
solver_data_package['solve_parameters'][
'keep_Jperp_negative'] = True
print solver_data_package['solve_parameters']
solver_data_package['G0_iw'] = data.solver.G0_iw
solver_data_package['D0_iw'] = data.solver.D0_iw
solver_data_package['Jperp_iw'] = data.solver.Jperp_iw
solver_data_package['construct|run|exit'] = 1
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(solver_data_package)
print "about to run "
#data.solver.solve( **(solver_data_package['solve_parameters'] + )
data.solver.solve(
h_int=solver_data_package['solve_parameters']['U_inf'] *
n('up', 0) * n('down', 0),
hartree_shift=solver_data_package['solve_parameters']
['hartree_shift'],
n_cycles=solver_data_package['solve_parameters']
['n_cycles'],
length_cycle=solver_data_package['solve_parameters']
['length_cycle'],
n_warmup_cycles=solver_data_package['solve_parameters']
['n_warmup_cycles'],
max_time=solver_data_package['solve_parameters']
['max_time'],
measure_nn=solver_data_package['solve_parameters']
['measure_nn'],
measure_nnw=solver_data_package['solve_parameters']
['measure_nnw'],
measure_chipmt=solver_data_package['solve_parameters']
['measure_chipmt'],
measure_gt=solver_data_package['solve_parameters']
['measure_gt'],
measure_ft=solver_data_package['solve_parameters']
['measure_ft'],
measure_gw=solver_data_package['solve_parameters']
['measure_gw'],
measure_fw=solver_data_package['solve_parameters']
['measure_fw'],
measure_g2w=solver_data_package['solve_parameters']
['measure_g2w'],
measure_f2w=solver_data_package['solve_parameters']
['measure_f2w'],
measure_hist=solver_data_package['solve_parameters']
['measure_hist'],
measure_hist_composite=solver_data_package[
'solve_parameters']['measure_hist_composite'],
measure_nnt=solver_data_package['solve_parameters']
['measure_nnt'],
move_group_into_spin_segment=solver_data_package[
'solve_parameters']['move_group_into_spin_segment'],
move_split_spin_segment=solver_data_package[
'solve_parameters']['move_split_spin_segment'],
move_swap_empty_lines=solver_data_package[
'solve_parameters']['move_swap_empty_lines'],
move_move=solver_data_package['solve_parameters']
['move_move'],
move_insert_segment=solver_data_package['solve_parameters']
['move_insert_segment'],
move_remove_segment=solver_data_package['solve_parameters']
['move_remove_segment'],
n_w_f_vertex=solver_data_package['solve_parameters']
['n_w_f_vertex'],
n_w_b_vertex=solver_data_package['solve_parameters']
['n_w_b_vertex'],
keep_Jperp_negative=solver_data_package['solve_parameters']
['keep_Jperp_negative'])
data.G_imp_iw << data.solver.G_iw
get_Sigma_from_G_and_G0 = False
for U in data.fermionic_struct.keys():
if numpy.any(numpy.isnan(
data.G_imp_iw[U].data[:, 0, 0])) or numpy.any(
numpy.isnan(data.solver.F_iw[U].data[:, 0,
0])):
if numpy.any(
numpy.isnan(data.G_imp_iw[U].data[:, 0, 0])):
print "[Node", mpi.rank, "]", " nan in F_imp and G_imp!!! exiting to system..."
if mpi.is_master_node():
data.dump_all(archive_name="black_box_nan",
suffix='')
cthyb.dump(data.solver,
archive_name="black_box_nan",
suffix='')
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size > 1):
solver_data_package = mpi.bcast(
solver_data_package)
quit()
else:
print "[Node", mpi.rank, "]", " nan in F but not in G!! will be calculating Sigma from G and G0"
get_Sigma_from_G_and_G0 = True
if symmetrize_quantities:
symmetrize_blockgf(data.G_imp_iw, data.fermionic_struct)
symmetrize_blockgf(data.solver.F_iw, data.fermionic_struct)
if not get_Sigma_from_G_and_G0:
extract_Sigma_from_F_and_G(
data.Sigma_imp_iw, data.solver.F_iw, data.G_imp_iw
) #!!!! this thing fails when the S S boson is not SU(2) symmetric
else:
extract_Sigma_from_G0_and_G(data.Sigma_imp_iw,
data.solver.G0_iw,
data.G_imp_iw)
data.get_Sz(
) #moved these in impurity!!!!! maybe not the best idea
data.get_chi_imp()
except Exception as e:
import traceback, os.path, sys
top = traceback.extract_stack()[-1]
if mpi.is_master_node():
data.dump_impurity_input('black_box', '')
raise Exception(
'%s, %s, %s \t %s ' %
(type(e).__name__, os.path.basename(top[0]), top[1], e))
def pm_tUVJ_calculation( T, mutildes=[0.0],
ts=[0.25], t_dispersion = epsilonk_square,
Us = [1.0], decouple_U = False,
Vs = [0.2], V_dispersion = None,
Js = [0.05], J_dispersion = None,
n_loops_min = 5, n_loops_max=25, rules = [[0, 0.5], [6, 0.2], [12, 0.65]],
use_cthyb=False, n_cycles=100000, max_time=10*60,
initial_guess_archive_name = '', suffix=''):
if mpi.is_master_node(): print "WELCOME TO PM tUVJ!"
bosonic_struct = {'0': [0], 'z': [0]}
fermionic_struct = {'up': [0], 'down': [0]}
beta = 1.0/T
n_iw = int(((20.0*beta)/math.pi-1.0)/2.0)
n_tau = int(n_iw*pi)
if (V_dispersion is None) and (J_dispersion is None):
n_q = 1
else:
n_q = 12
n_k = n_q
#init solver
if use_cthyb:
solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
else:
solver = SolverCore( beta = beta,
gf_struct = fermionic_struct,
n_iw = n_iw,
n_tau_g0 = 10001,
n_tau_dynamical_interactions = n_iw*4,
n_iw_dynamical_interactions = n_iw,
n_tau_nnt = n_iw*2+1,
n_tau_g2t = 13,
n_w_f_g2w = 6,
n_w_b_g2w = 6,
n_tau_M4t = 25,
n_w_f_M4w = 12,
n_w_b_M4w = 12
)
#init data, assign the solver to it
dt = full_data( n_iw = n_iw,
n_k = n_k,
n_q = n_q,
beta = beta,
solver = solver,
bosonic_struct = bosonic_struct,
fermionic_struct = fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file" )
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = dt.P_imp_iw,
accuracy=1e-3,
struct=bosonic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_P_imp' ),
converger( monitored_quantity = dt.G_imp_iw,
accuracy=1e-3,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_G_imp' ) ]
mixers = [ mixer( mixed_quantity = dt.P_imp_iw,
rules=rules,
func=mixer.mix_gf ),
mixer( mixed_quantity = dt.Sigma_imp_iw,
rules=rules,
func=mixer.mix_gf) ]
err = 0
#initial guess
ps = itertools.product(mutildes,ts,Us,Vs,Js)
counter = 0
for p in ps:
#name stuff to avoid confusion
mutilde = p[0]
t = p[1]
U = p[2]
V = p[3]
J = p[4]
dt.archive_name="edmft.mutilde%s.t%s.U%s.V%s.J%s.T%s.h5"%(mutilde,t,U,V,J,T)
for conv in convergers:
conv.archive_name = dt.archive_name
convergers[0].struct = copy.deepcopy(bosonic_struct)
if J==0.0: del convergers[0].struct['z'] #no need to monitor quantities that are not involved in the calculation
if V==0.0: del convergers[0].struct['0']
if not ((V_dispersion is None) and (J_dispersion is None)): #this is optional since we're using semi-analytical summation and evaluate chi_loc directly from P
dt.fill_in_qs()
if decouple_U:
dt.fill_in_Jq( {'0': lambda kx,ky: V_dispersion(kx,ky,J=V)+U, 'z': partial(J_dispersion, J=J)} )
else:
dt.fill_in_Jq( {'0': partial(V_dispersion, J=V), 'z': partial(J_dispersion, J=J)} )
dt.fill_in_ks()
dt.fill_in_epsilonk(dict.fromkeys(['up','down'], partial(t_dispersion, t=t)))
if mpi.is_master_node():
dt.dump_non_interacting()
preset = edmft_tUVJ_pm(mutilde=mutilde, U=U, V=V, J=J)
preset.cautionary.get_safe_values(dt.Jq, dt.bosonic_struct, n_q, n_q)
if mpi.is_master_node():
print "U = ",U," V= ",V, "J= ",J," mutilde= ",mutilde
print "cautionary safe values: ",preset.cautionary.safe_value
impurity = partial( solvers.cthyb.run, no_fermionic_bath=False, n_cycles=n_cycles, max_time=max_time )
dt.dump_solver = solvers.cthyb.dump
if not use_cthyb:
imp = partial( solvers.ctint.run, n_cycles=n_cycles)
dt.dump_solver = solvers.ctint.dump
#init the dmft_loop
dmft = dmft_loop( cautionary = preset.cautionary,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = impurity,
post_impurity = partial( preset.post_impurity ),
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
after_it_is_done = preset.after_it_is_done )
if counter==0: #do this only once!
dt.mus['up'] = dt.mus['down'] = mutilde+U/2.0
#safe_and_stupid_scalar_P_imp(safe_value = preset.cautionary.safe_value['0']*0.8, P_imp=dt.P_imp_iw['0'])
#safe_and_stupid_scalar_P_imp(safe_value = preset.cautionary.safe_value['z']*0.8, P_imp=dt.P_imp_iw['z'])
dt.Sigma_imp_iw << U/2.0 #starting from half-filled hartree-fock self-energy
dt.P_imp_iw << 0.0
if initial_guess_archive_name!='':
dt.load_initial_guess_from_file(initial_guess_archive_name, suffix)
#dt.load_initial_guess_from_file("/home/jvucicev/TRIQS/run/sc_scripts/Archive_Vdecoupling/edmft.mutilde0.0.t0.25.U3.0.V2.0.J0.0.T0.01.h5")
mpi.barrier()
#run dmft!-------------
err += dmft.run(dt, n_loops_max=n_loops_max, n_loops_min=n_loops_min, print_non_loc=False)
counter += 1
return err
def run(self):
"""
"""
mpi.barrier()
if mpi.size==1 : # single machine. Avoid the fork
while not(self.finished()):
n = self.next()
if n!=None :
self.treate(self.the_function(n),0)
return
# Code for multiprocessor machines
RequestList,pid = [],0 # the pid of the child on the master
node_running,node_stopped= mpi.size*[False],mpi.size*[False]
if mpi.rank==0 :
while not(self.finished()) or pid or [n for n in node_running if n] != [] :
# Treat the request which have self.finished
def keep_request(r) :
#if not(mpi.test(r)) : return True
#if r.message !=None : self.treate(*r.message)
#node_running[r.status.source] = False
T = r.test()
if T is None : return True
value = T[0]
if value !=None : self.treate(*value)
node_running[T[1].source] = False
return False
RequestList = filter(keep_request,RequestList)
# send new calculation to the nodes or "stop" them
for node in [ n for n in range(1,mpi.size) if not(node_running[n] or node_stopped[n]) ] :
#open('tmp','a').write("master : comm to node %d %s\n"%(node,self.finished()))
mpi.send(self.finished(),node)
if not(self.finished()) :
mpi.send(self.next(),node) # send the data for the computation
node_running[node] = True
RequestList.append(mpi.irecv(node)) #Post the receive
else :
node_stopped[node] = True
# Look if the child process on the master has self.finished.
if not(pid) or os.waitpid(pid,os.WNOHANG) :
if pid :
RR = cPickle.load(open("res_master",'r'))
if RR != None : self.treate(*RR)
if not(self.finished()) :
pid=os.fork();
currently_calculated_by_master = self.next()
if pid==0 : # we are on the child
if currently_calculated_by_master :
res = self.the_function(currently_calculated_by_master)
else:
res = None
cPickle.dump((res,mpi.rank),open('res_master','w'))
os._exit(0) # Cf python doc. Used for child only.
else : pid=0
if (pid): time.sleep(self.SleepTime) # so that most of the time is for the actual calculation on the master
else : # not master
while not(mpi.recv(0)) : # master will first send a finished flag
omega = mpi.recv(0)
if omega ==None :
res = None
else :
res = self.the_function(omega)
mpi.send((res,mpi.rank),0)
mpi.barrier()
def pm_hubbard_GW_calculation( T, mutildes=[0.0],
ts=[0.25], t_dispersion = epsilonk_square,
Us = [1.0], alpha=2.0/3.0,
n_ks = [6, 36, 64],
n_loops_min = 5, n_loops_max=25, rules = [[0, 0.5], [6, 0.2], [12, 0.65]],
trilex = False,
use_cthyb=True, n_cycles=100000, max_time=10*60,
initial_guess_archive_name = '', suffix=''):
if mpi.is_master_node(): print "WELCOME TO PM hubbard GW calculation!"
bosonic_struct = {'0': [0], '1': [0]}
if alpha==2.0/3.0:
del bosonic_struct['1']
if alpha==1.0/3.0:
del bosonic_struct['0']
fermionic_struct = {'up': [0], 'down': [0]}
beta = 1.0/T
n_iw = int(((20.0*beta)/math.pi-1.0)/2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ",n_iw
n_tau = int(n_iw*pi)
n_q = n_ks[0]
n_k = n_q
#init solver
if use_cthyb:
solver = Solver( beta = beta,
gf_struct = fermionic_struct,
n_tau_k = n_tau,
n_tau_g = 10000,
n_tau_delta = 10000,
n_tau_nn = 4*n_tau,
n_w_b_nn = n_iw,
n_w = n_iw )
else:
solver = SolverCore( beta = beta,
gf_struct = fermionic_struct,
n_iw = n_iw,
n_tau_g0 = 10001,
n_tau_dynamical_interactions = n_iw*4,
n_iw_dynamical_interactions = n_iw,
n_tau_nnt = n_iw*2+1,
n_tau_g2t = 13,
n_w_f_g2w = 6,
n_w_b_g2w = 6,
n_tau_M4t = 25,
n_w_f_M4w = 12,
n_w_b_M4w = 12
)
#init data, assign the solver to it
dt = GW_data( n_iw = n_iw,
n_k = n_k,
n_q = n_q,
beta = beta,
solver = solver,
bosonic_struct = bosonic_struct,
fermionic_struct = fermionic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file" )
if trilex:
dt.__class__=trilex_data
dt.promote(dt.n_iw/2, dt.n_iw/2)
#init convergence and cautionary measures
convergers = [ converger( monitored_quantity = dt.P_imp_iw,
accuracy=1e-3,
struct=bosonic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_P_imp' ),
converger( monitored_quantity = dt.G_imp_iw,
accuracy=1e-3,
struct=fermionic_struct,
archive_name=dt.archive_name,
h5key = 'diffs_G_imp' ) ]
mixers = [ mixer( mixed_quantity = dt.P_imp_iw,
rules=rules,
func=mixer.mix_gf ),
mixer( mixed_quantity = dt.Sigma_imp_iw,
rules=rules,
func=mixer.mix_gf) ]
err = 0
#initial guess
ps = itertools.product(mutildes,ts,Us,n_ks)
counter = 0
for p in ps:
#name stuff to avoid confusion
mutilde = p[0]
t = p[1]
U = p[2]
nk = p[3]
dt.change_ks(IBZ.k_grid(nk))
if trilex:
dt.archive_name="trilex.mutilde%s.t%s.U%s.alpha%s.T%s.nk%s.h5"%(mutilde,t,U,alpha,T,nk )
else:
dt.archive_name="GW.mutilde%s.t%s.U%s.alpha%s.T%s.nk%s.h5"%(mutilde,t,U,alpha,T,nk)
for conv in convergers:
conv.archive_name = dt.archive_name
Uch = (3.0*alpha-1.0)*U
Usp = (alpha-2.0/3.0)*U
vks = {'0': lambda kx,ky: Uch, '1': lambda kx,ky: Usp}
if alpha==2.0/3.0:
del vks['1']
if alpha==1.0/3.0:
del vks['0']
dt.fill_in_Jq( vks )
dt.fill_in_epsilonk(dict.fromkeys(['up','down'], partial(t_dispersion, t=t)))
if trilex:
preset = trilex_hubbard_pm(mutilde=mutilde, U=U, alpha=alpha, bosonic_struct=bosonic_struct)
else:
preset = GW_hubbard_pm(mutilde=mutilde, U=U, alpha=alpha, bosonic_struct=bosonic_struct)
if mpi.is_master_node():
print "U = ",U," alpha= ",alpha, "Uch= ",Uch," Usp=",Usp," mutilde= ",mutilde
#print "cautionary safe values: ",preset.cautionary.safe_value
if trilex:
n_w_f=dt.n_iw_f
n_w_b=dt.n_iw_b
else:
n_w_f=2
n_w_b=2
impurity = partial( solvers.cthyb.run, no_fermionic_bath=False,
trilex=trilex, n_w_f=n_w_f, n_w_b=n_w_b,
n_cycles=n_cycles, max_time=max_time )
dt.dump_solver = solvers.cthyb.dump
if not use_cthyb:
imp = partial( solvers.ctint.run, n_cycles=n_cycles)
dt.dump_solver = solvers.ctint.dump
#init the dmft_loop
dmft = dmft_loop( cautionary = preset.cautionary,
lattice = preset.lattice,
pre_impurity = preset.pre_impurity,
impurity = impurity,
post_impurity = partial( preset.post_impurity ),
selfenergy = preset.selfenergy,
convergers = convergers,
mixers = mixers,
after_it_is_done = preset.after_it_is_done )
#dt.get_G0kw( func = dict.fromkeys(['up', 'down'], dyson.scalar.G_from_w_mu_epsilon_and_Sigma) )
if counter==0: #do this only once!
dt.mus['up'] = dt.mus['down'] = mutilde+U/2.0
dt.P_imp_iw << 0.0
#for A in bosonic_struct.keys():
# if preset.cautionary.safe_value[A] < 0.0:
# safe_and_stupid_scalar_P_imp(safe_value = preset.cautionary.safe_value[A]*0.95, P_imp=dt.P_imp_iw[A])
dt.Sigma_imp_iw << U/2.0 + mutilde #making sure that in the first iteration the impurity problem is half-filled
if initial_guess_archive_name!='':
dt.load_initial_guess_from_file(initial_guess_archive_name, suffix)
#dt.load_initial_guess_from_file("/home/jvucicev/TRIQS/run/sc_scripts/Archive_Vdecoupling/edmft.mutilde0.0.t0.25.U3.0.V2.0.J0.0.T0.01.h5")
mpi.barrier()
#run dmft!-------------
err += dmft.run(dt, n_loops_max=n_loops_max, n_loops_min=n_loops_min, print_three_leg=1, print_non_local=1 )
counter += 1
return err
def calc_density_correction(self,filename = 'dens_mat.dat'):
""" Calculates the density correction in order to feed it back to the DFT calculations."""
assert (type(filename)==StringType), "filename has to be a string!"
ntoi = self.names_to_ind[self.SO]
bln = self.block_names[self.SO]
# Set up deltaN:
deltaN = {}
for ib in bln:
deltaN[ib] = [ numpy.zeros( [self.n_orbitals[ik,ntoi[ib]],self.n_orbitals[ik,ntoi[ib]]], numpy.complex_) for ik in range(self.n_k)]
ikarray=numpy.array(range(self.n_k))
dens = {}
for ib in bln:
dens[ib] = 0.0
for ik in mpi.slice_array(ikarray):
S = self.lattice_gf_matsubara(ik=ik,mu=self.chemical_potential)
for sig,g in S:
deltaN[sig][ik] = S[sig].density()
dens[sig] += self.bz_weights[ik] * S[sig].total_density()
#put mpi Barrier:
for sig in deltaN:
for ik in range(self.n_k):
deltaN[sig][ik] = mpi.all_reduce(mpi.world,deltaN[sig][ik],lambda x,y : x+y)
dens[sig] = mpi.all_reduce(mpi.world,dens[sig],lambda x,y : x+y)
mpi.barrier()
# now save to file:
if (mpi.is_master_node()):
if (self.SP==0):
f=open(filename,'w')
else:
f=open(filename+'up','w')
f1=open(filename+'dn','w')
# write chemical potential (in Rydberg):
f.write("%.14f\n"%(self.chemical_potential/self.energy_unit))
if (self.SP!=0): f1.write("%.14f\n"%(self.chemical_potential/self.energy_unit))
# write beta in ryderg-1
f.write("%.14f\n"%(S.mesh.beta*self.energy_unit))
if (self.SP!=0): f1.write("%.14f\n"%(S.mesh.beta*self.energy_unit))
if (self.SP==0):
for ik in range(self.n_k):
f.write("%s\n"%self.n_orbitals[ik,0])
for inu in range(self.n_orbitals[ik,0]):
for imu in range(self.n_orbitals[ik,0]):
valre = (deltaN['up'][ik][inu,imu].real + deltaN['down'][ik][inu,imu].real) / 2.0
valim = (deltaN['up'][ik][inu,imu].imag + deltaN['down'][ik][inu,imu].imag) / 2.0
f.write("%.14f %.14f "%(valre,valim))
f.write("\n")
f.write("\n")
f.close()
elif ((self.SP==1)and(self.SO==0)):
for ik in range(self.n_k):
f.write("%s\n"%self.n_orbitals[ik,0])
for inu in range(self.n_orbitals[ik,0]):
for imu in range(self.n_orbitals[ik,0]):
f.write("%.14f %.14f "%(deltaN['up'][ik][inu,imu].real,deltaN['up'][ik][inu,imu].imag))
f.write("\n")
f.write("\n")
f.close()
for ik in range(self.n_k):
f1.write("%s\n"%self.n_orbitals[ik,1])
for inu in range(self.n_orbitals[ik,1]):
for imu in range(self.n_orbitals[ik,1]):
f1.write("%.14f %.14f "%(deltaN['down'][ik][inu,imu].real,deltaN['down'][ik][inu,imu].imag))
f1.write("\n")
f1.write("\n")
f1.close()
else:
for ik in range(self.n_k):
f.write("%s\n"%self.n_orbitals[ik,0])
for inu in range(self.n_orbitals[ik,0]):
for imu in range(self.n_orbitals[ik,0]):
f.write("%.14f %.14f "%(deltaN['ud'][ik][inu,imu].real,deltaN['ud'][ik][inu,imu].imag))
f.write("\n")
f.write("\n")
f.close()
for ik in range(self.n_k):
f1.write("%s\n"%self.n_orbitals[ik,0])
for inu in range(self.n_orbitals[ik,0]):
for imu in range(self.n_orbitals[ik,0]):
f1.write("%.14f %.14f "%(deltaN['ud'][ik][inu,imu].real,deltaN['ud'][ik][inu,imu].imag))
f1.write("\n")
f1.write("\n")
f1.close()
return deltaN, dens
def get_chi0_wnk(g_wk, nw=1, nwf=None):
fmesh = g_wk.mesh.components[0]
kmesh = g_wk.mesh.components[1]
if nwf is None:
nwf = len(fmesh) / 2
mpi.barrier()
mpi.report('g_wk ' + str(g_wk[Idx(2), Idx(0, 1, 2)][0, 0]))
n = np.sum(g_wk.data) / len(kmesh)
mpi.report('n ' + str(n))
mpi.barrier()
mpi.report('--> g_wr from g_wk')
g_wr = fourier_wk_to_wr(g_wk)
mpi.barrier()
mpi.report('g_wr ' + str(g_wr[Idx(2), Idx(0, 1, 2)][0, 0]))
n_r = np.sum(g_wr.data, axis=0)[0]
mpi.report('n_r=0 ' + str(n_r[0, 0]))
mpi.barrier()
mpi.report('--> chi0_wnr from g_wr')
chi0_wnr = chi0r_from_gr_PH(nw=nw, nnu=nwf, gr=g_wr)
#mpi.report('--> chi0_wnr from g_wr (nompi)')
#chi0_wnr_nompi = chi0r_from_gr_PH_nompi(nw=nw, nnu=nwf, gr=g_wr)
del g_wr
#abs_diff = np.abs(chi0_wnr.data - chi0_wnr_nompi.data)
#mpi.report('shape = ' + str(abs_diff.shape))
#idx = np.argmax(abs_diff)
#mpi.report('argmax = ' + str(idx))
#diff = np.max(abs_diff)
#mpi.report('diff = %6.6f' % diff)
#del chi0_wnr
#chi0_wnr = chi0_wnr_nompi
#exit()
mpi.barrier()
mpi.report('chi0_wnr ' +
str(chi0_wnr[Idx(0), Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
chi0_r0 = np.sum(chi0_wnr[:, :, Idx(0, 0, 0)].data)
mpi.report('chi0_r0 ' + str(chi0_r0))
mpi.barrier()
mpi.report('--> chi0_wnk from chi0_wnr')
chi0_wnk = chi0q_from_chi0r(chi0_wnr)
del chi0_wnr
mpi.barrier()
mpi.report('chi0_wnk ' +
str(chi0_wnk[Idx(0), Idx(0), Idx(0, 0, 0)][0, 0, 0, 0]))
chi0 = np.sum(chi0_wnk.data) / len(kmesh)
mpi.report('chi0 = ' + str(chi0))
mpi.barrier()
#if mpi.is_master_node():
if False:
from triqs_tprf.ParameterCollection import ParameterCollection
p = ParameterCollection()
p.g_wk = g_wk
p.g_wr = g_wr
p.chi0_wnr = chi0_wnr
p.chi0_wnk = chi0_wnk
print '--> Writing debug info for BSE'
with HDFArchive('data_debug_bse.h5', 'w') as arch:
arch['p'] = p
mpi.barrier()
return chi0_wnk
def simple_point_dens_mat(self):
ntoi = self.names_to_ind[self.SO]
bln = self.block_names[self.SO]
MMat = [numpy.zeros( [self.n_orbitals[0,ntoi[bl]],self.n_orbitals[0,ntoi[bl]]], numpy.complex_) for bl in bln]
dens_mat = [ {} for icrsh in xrange(self.n_corr_shells)]
for icrsh in xrange(self.n_corr_shells):
for bl in self.block_names[self.corr_shells[icrsh][4]]:
dens_mat[icrsh][bl] = numpy.zeros([self.corr_shells[icrsh][3],self.corr_shells[icrsh][3]], numpy.complex_)
ikarray=numpy.array(range(self.n_k))
for ik in mpi.slice_array(ikarray):
unchangedsize = all( [ self.n_orbitals[ik,ntoi[bln[ib]]]==len(MMat[ib])
for ib in range(self.n_spin_blocks_gf[self.SO]) ] )
if (not unchangedsize):
MMat = [numpy.zeros( [self.n_orbitals[ik,ntoi[bl]],self.n_orbitals[ik,ntoi[bl]]], numpy.complex_) for bl in bln]
for ibl,bl in enumerate(bln):
ind = ntoi[bl]
for inu in range(self.n_orbitals[ik,ind]):
if ( (self.hopping[ik,ind,inu,inu]-self.h_field*(1-2*ibl)) < 0.0):
MMat[ibl][inu,inu] = 1.0
else:
MMat[ibl][inu,inu] = 0.0
for icrsh in range(self.n_corr_shells):
for ibn,bn in enumerate(self.block_names[self.corr_shells[icrsh][4]]):
isp = self.names_to_ind[self.corr_shells[icrsh][4]][bn]
dim = self.corr_shells[icrsh][3]
n_orb = self.n_orbitals[ik,isp]
#print ik, bn, isp
dens_mat[icrsh][bn] += self.bz_weights[ik] * numpy.dot( numpy.dot(self.proj_mat[ik,isp,icrsh,0:dim,0:n_orb],MMat[ibn]) ,
self.proj_mat[ik,isp,icrsh,0:dim,0:n_orb].transpose().conjugate() )
# get data from nodes:
for icrsh in range(self.n_corr_shells):
for sig in dens_mat[icrsh]:
dens_mat[icrsh][sig] = mpi.all_reduce(mpi.world,dens_mat[icrsh][sig],lambda x,y : x+y)
mpi.barrier()
if (self.symm_op!=0): dens_mat = self.Symm_corr.symmetrize(dens_mat)
# Rotate to local coordinate system:
if (self.use_rotations):
for icrsh in xrange(self.n_corr_shells):
for bn in dens_mat[icrsh]:
if (self.rot_mat_time_inv[icrsh]==1): dens_mat[icrsh][bn] = dens_mat[icrsh][bn].conjugate()
dens_mat[icrsh][bn] = numpy.dot( numpy.dot(self.rot_mat[icrsh].conjugate().transpose(),dens_mat[icrsh][bn]) ,
self.rot_mat[icrsh])
return dens_mat
def nested_edmft_calculation( clusters, nested_struct_archive_name = None, flexible_Gweiss=False, sign=-1, sign_up_to=2, use_Gweiss_causal_cautionary = False,
freeze_Uweiss = False, no_lattice = False,
Us = [1.0], decoupling = 'ising', decoupling_alpha = 0.5,
Ts = [0.125],
ns = [0.5], fixed_n = True,
mutildes = [0.0],
dispersion = lambda kx, ky: epsilonk_square(kx,ky, 0.25), ph_symmetry = True,
n_ks = [64], n_k_automatic = False, n_k_rules = [[0.06, 32],[0.03, 48],[0.005, 64],[0.00, 96]],
w_cutoff = 50.0,
min_its = 5, max_its=25,
mix_GWlatt = False, rules = [[0, 0.5], [6, 0.2], [12, 0.65]],
mix_Uweiss = False, Uweiss_mix_rules = [[0, 0.5], [6, 0.2], [12, 0.65]],
use_cthyb = False,
alpha = 0.5, delta = 0.1, automatic_alpha_and_delta = False,
n_cycles=10000000,
max_time_rules= [ [1, 5*60], [2, 20*60], [4, 80*60], [8, 200*60], [16,400*60] ], time_rules_automatic=False, exponent = 0.7, overall_prefactor=4.0, no_timing = False,
accuracy = 1e-4,
solver_data_package = None,
print_current = 1,
insulating_initial = False,
Wilson_bath_initial = False,
bath_initial = False,
selfenergy_initial = False,
initial_guess_archive_name = '', suffix=''):
if mpi.is_master_node():
print "WELCOME TO nested edmft calculation!"
if n_k_automatic: print "n_k automatic!!!"
if len(n_ks)==0 and n_k_automatic: n_ks=[0]
if use_cthyb:
assert False, "cthyb usage not implemented"
solver_class = solvers.cthyb
else:
solver_class = solvers.ctint
fermionic_struct = {'up': [0]}
bosonic_struct = {'0': [0], '1': [0]}
if decoupling=='ising':
if decoupling_alpha==1.0:
del bosonic_struct['1']
if decoupling_alpha==0.0:
del bosonic_struct['0']
elif decoupling=='heisenberg':
if decoupling_alpha==2.0/3.0:
del bosonic_struct['1']
if decoupling_alpha==1.0/3.0:
del bosonic_struct['0']
if mpi.is_master_node(): print "nested structure: "
if not (nested_struct_archive_name is None):
try:
nested_scheme = nested_struct.from_file(nested_struct_archive_name)
if mpi.is_master_node(): print "nested structure loaded from file",nested_struct_archive_name
except:
nested_scheme = nested_struct(clusters)
nested_scheme.print_to_file(nested_struct_archive_name)
if mpi.is_master_node(): print "nested structure printed to file",nested_struct_archive_name
else:
nested_scheme = nested_struct(clusters)
if mpi.is_master_node(): print nested_scheme.get_tex()
impurity_struct = nested_scheme.get_impurity_struct()
if not time_rules_automatic:
max_times = {}
for C in impurity_struct:
for r in max_time_rules:
if r[0]<=len(impurity_struct[C]):
max_times[C] = r[1]
if mpi.is_master_node(): print "max_times from rules: ",max_times
beta = 1.0/Ts[0]
n_iw = int(((w_cutoff*beta)/math.pi-1.0)/2.0)
if mpi.is_master_node():
print "PM HUBBARD GW: n_iw: ",n_iw
if not n_k_automatic:
n_k = n_ks[0]
print "n_k = ", n_k
else:
n_k = n_k_from_rules(Ts[0], n_k_rules)
#if mpi.is_master_node(): print "n_k automatic!!!"
dt = nested_edmft_data( n_iw = n_iw,
n_k = n_k,
beta = beta,
impurity_struct = impurity_struct,
fermionic_struct = fermionic_struct,
bosonic_struct = bosonic_struct,
archive_name="so_far_nothing_you_shouldnt_see_this_file" )
if fixed_n:
ps = itertools.product(n_ks,ns,Us,Ts)
else:
ps = itertools.product(n_ks,mutildes,Us,Ts)
counter = 0
old_nk = n_k
old_beta = beta
for p in ps:
#name stuff to avoid confusion
nk = (p[0] if (not n_k_automatic) else n_k_from_rules(T, n_k_rules) )
if fixed_n:
n = p[1]
else:
mutilde = p[1]
n = None
U = p[2]
T = p[3]
beta = 1.0/T
if nk!=old_nk and (not n_k_automatic):
assert False, "changing n_k not implemented"
dt.change_ks(IBZ.k_grid(nk))
if beta!=old_beta:
assert False, "changing beta not implemented"
n_iw = int(((w_cutoff*beta)/math.pi-1.0)/2.0)
if n_k_automatic:
nk = n_k_from_rules(T, n_k_rules)
if nk != old_nk:
dt.change_ks(IBZ.k_grid(nk))
dt.change_beta(beta, n_iw)
old_beta = beta
old_nk = nk
nested_scheme.set_nk(nk) #don't forget this part
filename = "result"
if len(n_ks)>1 and (not n_k_automatic):
filename += ".nk%s"%nk
if len(ns)>1 and fixed_n:
filename += ".n%s"%n
if len(mutildes)>1 and not fixed_n:
filename += ".mutilde%s"%mutilde
if len(Us)>1: filename += ".U%s"%U
if len(Ts)>1: filename += ".T%.4f"%T
filename += ".h5"
dt.archive_name = filename
if mpi.is_master_node():
if fixed_n:
print "Working: U: %s T %s n: %s n_k: %s n_iw: %s"%(U,n,T,nk,n_iw)
else:
print "Working: U: %s T %s mutilde: %s n_k: %s n_iw: %s"%(U,mutilde,T,nk,n_iw)
if mpi.is_master_node():
print "about to fill dispersion. ph-symmetry: ",ph_symmetry
for key in dt.fermionic_struct.keys():
for kxi in range(dt.n_k):
for kyi in range(dt.n_k):
dt.epsilonk[key][kxi,kyi] = dispersion(dt.ks[kxi], dt.ks[kyi])
if decoupling=='ising':
for key in dt.bosonic_struct.keys():
if key=='0': dt.Jq[key][:,:]=decoupling_alpha*U
if key=='1': dt.Jq[key][:,:]=(decoupling_alpha-1)*U
elif decoupling=='heisenberg':
if key=='0': dt.Jq[key][:,:]=(3.0*decoupling_alpha-1.0)*U
if key=='1': dt.Jq[key][:,:]=(decoupling_alpha-2.0/3.0)*U
else: assert False, "unknown decoupling scheme"
prepare_nested_edmft( dt, nested_scheme, solver_class )
solver_class.initialize_solvers( dt, solver_data_package, bosonic_measures=True )
if no_timing:
max_times = {}
for C in dt.impurity_struct.keys():
max_times[C] = -1
if mpi.is_master_node(): print "no_timing! solvers will run until they perform all the mc steps",max_times
if time_rules_automatic and (not no_timing):
max_times = {}
for C in dt.impurity_struct.keys():
Nc = len(dt.impurity_struct[C])
pref = ((dt.beta/8.0)*U*Nc)**exponent #**1.2
print C
print "Nc: ",Nc,
print "U: ", U,
print "beta: ",dt.beta,
print "pref: ",pref
max_times[C] = int(overall_prefactor*pref*5*60)
if mpi.is_master_node(): print "max times automatic: ",max_times
identical_pairs_Sigma = nested_scheme.get_identical_pairs()
identical_pairs_G = nested_scheme.get_identical_pairs_for_G()
identical_pairs_G_ai = nested_scheme.get_identical_pairs_for_G(across_imps=True)
def do_print(*args):
for x in args: print x,
print ""
used_Cs = []
actions =[ generic_action( name = "lattice",
main = ( (lambda data: nested_edmft_mains.lattice(data, n=n, ph_symmetry=ph_symmetry, accepted_mu_range=[-2.0,2.0]))
if (not no_lattice) else
(lambda data: [ data.copy_imp_to_latt(used_Cs[0]),
do_print("just copying imp",used_Cs[0],"->latt, no_lattice! Gijw000:",data.Gijw['up'][0,0,0],
[ "Wijnu_"+A+ "000:"+str(data.Wijnu['0'][0,0,0]) for A in data.Wijnu.keys()] ) ]) #TODO generalize for any size cluster
),
mixers = [], cautionaries = [], allowed_errors = [],
printout = lambda data, it: ( [data.dump_general( quantities = ['Gkw','Gijw','Wqnu','Wijnu'], suffix='-current' ), data.dump_scalar(suffix='-current')
] if ((it+1) % print_current==0) else None
)
),
generic_action( name = "pre_impurity",
main = lambda data: nested_edmft_mains.pre_impurity(data, freeze_Uweiss = freeze_Uweiss, Cs= used_Cs),
mixers = [], cautionaries = [], allowed_errors = [],
printout = lambda data, it: ( data.dump_general( quantities = ['Gweiss_iw','Uweiss_iw','Uweiss_dyn_iw'], suffix='-current' ) )
),
generic_action( name = "impurity",
main = (lambda data: nested_mains.impurity(data, U, symmetrize_quantities = True, alpha=alpha, delta=delta, automatic_alpha_and_delta = automatic_alpha_and_delta,
n_cycles=n_cycles, max_times = max_times, solver_data_package = solver_data_package, bosonic_measures=not freeze_Uweiss, Cs= used_Cs ))
if (not use_cthyb) else
(lambda data: nested_mains.impurity_cthyb(data, U, symmetrize_quantities = True, n_cycles=n_cycles, max_times = max_times, solver_data_package = solver_data_package )),
mixers = [], cautionaries = [lambda data,it: local_nan_cautionary(data, data.impurity_struct, Qs = ['Sigma_imp_iw'], raise_exception = True),
lambda data,it: ( symmetric_G_and_self_energy_on_impurity(data.G_imp_iw, data.Sigma_imp_iw, data.solvers,
identical_pairs_Sigma, identical_pairs_G,
across_imps=True, identical_pairs_G_ai=identical_pairs_G_ai )
if it>=10000 else
symmetrize_cluster_impurity(data.Sigma_imp_iw, identical_pairs_Sigma) )
], allowed_errors = [1],
printout = lambda data, it: ( [ data.dump_general( quantities = ['Sigma_imp_iw','G_imp_iw'], suffix='-current' ),
data.dump_solvers(suffix='-current')
] if ((it+1) % print_current==0) else None) ),
generic_action( name = "post_impurity",
main = lambda data: nested_edmft_mains.post_impurity(data, identical_pairs = identical_pairs_Sigma, Cs= used_Cs),#, homogeneous_pairs = identical_pairs_G),
mixers = [], cautionaries = [], allowed_errors = [],
printout = lambda data, it: (data.dump_general( quantities = ['chi_imp_iw','P_imp_iw','W_imp_iw'], suffix='-current' ) if ((it+1) % print_current==0) else None) ),
generic_action( name = "selfenergy",
main = lambda data: nested_edmft_mains.selfenergy(data),
mixers = [], cautionaries = [lambda data,it: nonloc_sign_cautionary(data.Sigmakw['up'], desired_sign = -1, clip_off = False, real_or_imag = 'imag')], allowed_errors = [0],
printout = lambda data, it: (data.dump_general( quantities = ['Sigmakw','Sigmaijw','Sigma_loc_iw','Pqnu','Pijnu','P_loc_iw'], suffix='-current' ) if ((it+1) % print_current==0) else None) ) ]
monitors = [ monitor( monitored_quantity = lambda: dt.ns['up'],
h5key = 'n_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.mus['up'],
h5key = 'mu_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.err,
h5key = 'err_vs_it',
archive_name = dt.archive_name) ]
monitors+= [ monitor( monitored_quantity = lambda: dt.Sigma_loc_iw['up'].data[dt.nw/2,0,0].imag,
h5key = 'ImSigma_loc_iw0_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.Sigma_loc_iw['up'].data[dt.nw/2,0,0].real,
h5key = 'ReSigma_loc_iw0_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.Sigmakw['up'][dt.nw/2, dt.n_k/2, dt.n_k/2].imag,
h5key = 'ImSigmakw_pipi_vs_it',
archive_name = dt.archive_name),
monitor( monitored_quantity = lambda: dt.Sigmakw['up'][dt.nw/2, dt.n_k/2, dt.n_k/2].real,
h5key = 'ReSigmakw_pipi_vs_it',
archive_name = dt.archive_name)]
convergers = [ converger( monitored_quantity = lambda: dt.G_loc_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name= dt.archive_name,
h5key = 'diffs_G_loc' ),
converger( monitored_quantity = lambda: dt.W_loc_iw,
accuracy=accuracy,
struct=bosonic_struct,
archive_name= dt.archive_name,
h5key = 'diffs_W_loc' ),
converger( monitored_quantity = lambda: dt.P_loc_iw,
accuracy=accuracy,
struct=bosonic_struct,
archive_name= dt.archive_name,
h5key = 'diffs_P_loc' ),
converger( monitored_quantity = lambda: dt.Sigma_loc_iw,
accuracy=accuracy,
struct=fermionic_struct,
archive_name= dt.archive_name,
h5key = 'diffs_Sigma_loc') ]
max_dist = 3
for i in range(max_dist+1):
for j in range(0,i+1):
convergers.append( converger( monitored_quantity = lambda i=i, j=j: dt.Gijw['up'][:,i,j],
accuracy=accuracy,
func = converger.check_numpy_array,
archive_name= dt.archive_name,
h5key = 'diffs_G_%s%s'%(i,j) ) )
convergers.append( converger( monitored_quantity = lambda: dt.G_imp_iw,
accuracy=accuracy,
struct=impurity_struct,
archive_name= dt.archive_name,
h5key = 'diffs_G_imp' ) )
convergers.append( converger( monitored_quantity = lambda: dt.Gweiss_iw,
accuracy=accuracy,
struct=impurity_struct,
archive_name= dt.archive_name,
h5key = 'diffs_Gweiss' ) )
combo_imp_struct = {}
for CA,Uw in dt.Uweiss_iw:
combo_imp_struct[CA] = impurity_struct[C]
convergers.append( converger( monitored_quantity = lambda: dt.Uweiss_iw,
accuracy=accuracy,
struct=combo_imp_struct,
archive_name= dt.archive_name,
h5key = 'diffs_Uweiss' ) )
dmft = generic_loop(
name = "nested-cluster EDMFT",
actions = actions,
convergers = convergers,
monitors = monitors )
start_from_action_index = 0
if freeze_Uweiss:
if mpi.is_master_node(): print "Uweiss frozen! Equivalent to nested DMFT calculation"
if (counter==0): #do the initial guess only once!
if initial_guess_archive_name!='':
if selfenergy_initial:
start_from_action_index = 0
if mpi.is_master_node(): print "Taking Sigma from initial guess in:",initial_guess_archive_name, "suffix: ",suffix
HDFA = HDFArchive(initial_guess_archive_name,'r')
dt.Sigmakw = deepcopy(HDFA['Sigmakw%s'%suffix])
dt.Sigma_imp_iw << HDFA['Sigma_imp_iw%s'%suffix]
dt.mus = HDFA['mus%s'%suffix]
del HDFA
dt.dump_general( quantities = ['Sigmakw','Sigma_imp_iw'], suffix='-initial' )
elif bath_initial:
start_from_action_index = 2
if mpi.is_master_node(): print "Taking Gweiss from initial guess in:",initial_guess_archive_name, "suffix: ",suffix
HDFA = HDFArchive(initial_guess_archive_name,'r')
input_blocks = [C for C,gw in HDFA['Gweiss_iw%s'%suffix]]
if set(input_blocks)!=set(impurity_struct.keys()):
used_Cs[:]=input_blocks[:]
print "WARNING: input block structure does not correspond to the nested scheme block structure. Running only the impurities in the input block set."
for C,gw in HDFA['Gweiss_iw%s'%suffix]:
dt.Gweiss_iw[C] << gw
dt.mus = HDFA['mus%s'%suffix]
for C in impurity_struct.keys(): #in any case fill Uweiss for P_imp calculation not to crash
for A in bosonic_struct:
print "dt.Jq[",A,"][0,0]:",dt.Jq[A][0,0]
dt.Uweiss_iw[C+'|'+A] << dt.Jq[A][0,0]
dt.Uweiss_dyn_iw[C+'|'+A] << 0.0
del HDFA
dt.dump_general( quantities = ['Gweiss_iw','Uweiss_iw','Uweiss_dyn_iw'], suffix='-initial' )
else:
if not fixed_n:
dt.mus['up'] = mutilde
else:
dt.mus['up'] = U/2.0
if 'down' in dt.fermionic_struct.keys(): dt.mus['down'] = dt.mus['up'] #this is not necessary at the moment, but may become
if Wilson_bath_initial:
start_from_action_index = 2
if impurity_struct.keys()!=["1x1"]: assert False, "Wilson initializer inapplicable!"
for A in bosonic_struct:
print "dt.Jq[",A,"][0,0]:",dt.Jq[A][0,0]
dt.Uweiss_iw['1x1|'+A] << dt.Jq[A][0,0]
dt.Uweiss_dyn_iw['1x1|'+A] << 0.0
dt.Gweiss_iw['1x1'] << inverse(iOmega_n+U/2.0-Wilson(0.25))
dt.dump_general( quantities = ['Gweiss_iw','Uweiss_iw','Uweiss_dyn_iw'], suffix='-initial' )
else:
for C in dt.impurity_struct.keys():
for l in dt.impurity_struct[C]: #just the local components (but on each site!)
dt.Sigma_imp_iw[C].data[:,l,l] = U/2.0-int(insulating_initial)*1j/numpy.array(dt.ws)
for A in bosonic_struct:
CA = C+"|"+A
dt.Uweiss_iw[CA] << dt.Jq[A][0,0]
dt.Uweiss_dyn_iw[CA] << 0.0
dt.P_imp_iw[CA] << 0.0
for A in bosonic_struct:
dt.Pqnu[A][:,:,:] = 0.0
dt.P_loc_iw[A]<< 0.0
dt.Pijnu[A][:,:,:]= 0.0
for key in fermionic_struct.keys():
dt.Sigmakw[key][:,:,:] = U/2.0
numpy.transpose(dt.Sigmakw[key])[:] -= int(insulating_initial)*1j/numpy.array(dt.ws)
dt.dump_general( quantities = ['Sigmakw','Sigma_imp_iw'], suffix='-initial' )
#run nested!-------------
if mix_GWlatt:
actions[0].mixers.extend([ mixer( mixed_quantity = lambda: dt.Gijw,
rules=rules,
func=mixer.mix_lattice_gf,
initialize = True ) ])
actions[0].mixers.extend([ mixer( mixed_quantity = lambda: dt.Wijnu,
rules=rules,
func=mixer.mix_lattice_gf,
initialize = True ) ])
if mix_Uweiss:
print "mixing Uweiss, rules:", Uweiss_mix_rules
actions[1].mixers.extend([ mixer( mixed_quantity = lambda: dt.Uweiss_iw,
rules=Uweiss_mix_rules,
func=mixer.mix_block_gf,
initialize = True ) ])
actions[1].mixers.extend([ mixer( mixed_quantity = lambda: dt.Uweiss_dyn_iw,
rules=Uweiss_mix_rules,
func=mixer.mix_block_gf,
initialize = True ) ])
dt.dump_parameters()
dt.dump_non_interacting()
err = dmft.run( dt,
max_its=max_its,
min_its=min_its,
max_it_err_is_allowed = 7,
print_final=True,
print_current = 1,
start_from_action_index = start_from_action_index )
if mpi.is_master_node():
cmd = 'mv %s %s'%(filename, filename.replace("result", "nested_edmft"))
print cmd
os.system(cmd)
if (err==2):
print "Cautionary error!!! exiting..."
solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size>1): solver_data_package = mpi.bcast(solver_data_package)
break
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
counter += 1
if not (solver_data_package is None): solver_data_package['construct|run|exit'] = 2
if MASTER_SLAVE_ARCHITECTURE and (mpi.size>1): solver_data_package = mpi.bcast(solver_data_package)
return dt, monitors, convergers
def run(self, data, calculation_name='', total_debug = False,
n_loops_max=100, n_loops_min=5,
print_local=1, print_impurity_input=1, print_non_local=1, print_three_leg=1, print_impurity_output=1,
skip_self_energy_on_first_iteration=False, #1 every iteration, 2 every second, -2 never (except for final)
mix_after_selfenergy = False,
last_iteration_err_is_allowed = 15 ):
for mixer in (self.mixers + self.imp_mixers):
mixer.get_initial()
for conv in self.convergers:
conv.reset()
for monitor in self.monitors:
monitor.reset()
if not (self.cautionary is None):
self.cautionary.reset()
if mpi.is_master_node():
data.dump_parameters(suffix='')
data.dump_non_interacting(suffix='')
converged = False
failed = False
for loop_index in range(n_loops_max):
if mpi.is_master_node():
print "---------------------------- loop_index: ",loop_index,"/",n_loops_max,"---------------------------------"
times = []
times.append((time(),"selfenergy"))
if loop_index!=0 or not skip_self_energy_on_first_iteration:
self.selfenergy(data=data)
times.append((time(),"mixing 1"))
if mix_after_selfenergy:
for mixer in self.mixers:
mixer.mix(loop_index)
times.append((time(),"cautionary"))
if not (self.cautionary is None):
data.err = self.cautionary.check_and_fix(data)
if data.err and (loop_index > last_iteration_err_is_allowed):
failed = True
times.append((time(),"lattice"))
self.lattice(data=data)
times.append((time(),"pre_impurity"))
self.pre_impurity(data=data)
times.append((time(),"dump_impurity_input"))
if mpi.is_master_node() and ((loop_index + 1) % print_impurity_input==0):
data.dump_impurity_input(suffix='-%s'%loop_index)
times.append((time(),"impurity"))
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
self.impurity(data=data)
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
times.append((time(),"dump_impurity_output and mix impurity"))
if mpi.is_master_node():
if (loop_index + 1) % print_local == 0: data.dump_solver(suffix='-%s'%loop_index)
for mixer in self.imp_mixers:
mixer.mix(loop_index)
times.append((time(),"post_impurity"))
self.post_impurity(data=data)
times.append((time(),"convergers"))
c = True
for conv in self.convergers:
if not conv.check():
c = False
converged = c #here we are checking that all have converged, not that at least one has converged
times.append((time(),"mixing 2"))
if not converged and not mix_after_selfenergy:
for mixer in self.mixers:
mixer.mix(loop_index)
times.append((time(),"monitors"))
for monitor in self.monitors:
monitor.monitor()
times.append((time(),"dumping"))
if mpi.is_master_node():
data.dump_errors(suffix='-%s'%loop_index)
data.dump_scalar(suffix='-%s'%loop_index)
if (loop_index + 1) % print_local == 0: data.dump_local(suffix='-%s'%loop_index)
if (loop_index + 1) % print_three_leg == 0: data.dump_three_leg(suffix='-%s'%loop_index)
if (loop_index + 1) % print_non_local == 0: data.dump_non_local(suffix='-%s'%loop_index)
A = HDFArchive(data.archive_name)
A['max_index'] = loop_index
del A
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if (mpi.rank==0 or mpi.rank==1) and total_debug: #total debug option
archive_name = 'full_data'
if calculation_name !='':
archive_name += '_%s'%calculation_name
archive_name += '.rank%s'%(mpi.rank)
print "about to dump all data in ",archive_name
data.dump_all(suffix='-%s'%loop_index, archive_name=archive_name)
times.append((time(),""))
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if mpi.is_master_node():
self.print_timings(times)
if (converged and loop_index>n_loops_min) or failed: break
if not (self.after_it_is_done is None):
self.after_it_is_done(data) #notice that if we don't say data=data we can pass a method of data for after_it_is_done, such that here self=data
if mpi.is_master_node():
data.dump_all(suffix='-final')
if not MASTER_SLAVE_ARCHITECTURE: mpi.barrier()
if converged:
return 0
else:
if failed:
return 2 #probably hitting AFM
else:
return 1 #maximum number of loops reached