def get_gs(N):
api = cluda.ocl_api()
thr = api.Thread.create()
comp = const.rb87_1_minus1
freqs = (97.6, 97.6, 11.96)
shape = (32, 32, 128)
dtype = numpy.complex128
scattering = const.scattering_matrix([comp])
potential = HarmonicPotential(freqs)
system = System([comp], scattering, potential=potential)
box = box_for_tf(system, 0, N)
grid = UniformGrid(shape, box)
tf_gs = tf_ground_state(thr, grid, dtype, system, [N])
gs = it_ground_state(thr, grid, dtype, system, [N],
E_diff=1e-7, E_conv=1e-9, sample_time=1e-5)
n_x = (numpy.abs(gs.data.get()) ** 2)[:, 0].sum((1, 2)) * grid.dxs[0] * grid.dxs[1]
tf_n_x = (numpy.abs(tf_gs.data.get()) ** 2)[:, 0].sum((1, 2)) * grid.dxs[0] * grid.dxs[1]
xs = grid.xs[2]
return xs.tolist(), n_x.tolist(), tf_n_x.tolist()
def get_gs(N, a12):
api = cluda.ocl_api()
thr = api.Thread.create()
comps = [const.rb87_1_minus1, const.rb87_2_1]
freqs = (97.6, 97.6, 11.96)
shape = (32, 32, 128)
dtype = numpy.complex128
scattering = const.scattering_3d(numpy.array([[100.4, a12], [a12, 95.44]]), comps[0].m)
potential = HarmonicPotential(freqs)
system = System(comps, scattering, potential=potential)
box = box_for_tf(system, 0, N)
grid = UniformGrid(shape, box)
gs = it_ground_state(thr, grid, dtype, system, [N / 2, N / 2], E_diff=1e-7, E_conv=1e-9, sample_time=1e-4)
n_x = (numpy.abs(gs.data.get()) ** 2)[:, 0].sum((1, 2)) * grid.dxs[0] * grid.dxs[1]
xs = grid.xs[2]
return xs.tolist(), n_x.tolist()