def get_frequency_shift(self,
grid_points,
temperatures=np.arange(0, 1001, 10,
dtype='double'),
epsilons=None,
output_filename=None):
"""Frequency shift from lowest order diagram is calculated.
Args:
epslins(list of float):
The value to avoid divergence. When multiple values are given
frequency shifts for those values are returned.
"""
if self._interaction is None:
self.set_phph_interaction()
if epsilons is None:
_epsilons = [0.1]
else:
_epsilons = epsilons
self._grid_points = grid_points
get_frequency_shift(self._interaction,
self._grid_points,
self._band_indices,
_epsilons,
temperatures,
output_filename=output_filename,
log_level=self._log_level)
def get_frequency_shift(self,
grid_points,
temperatures=np.arange(0, 1001, 10, dtype='double'),
output_filename=None):
if self._interaction is None:
self.set_phph_interaction()
if epsilons is None:
epsilons = [0.1]
self._grid_points = grid_points
get_frequency_shift(self._interaction,
self._grid_points,
self._band_indices,
self._sigmas,
temperatures,
output_filename=output_filename,
log_level=self._log_level)