mirror of
https://github.com/triqs/dft_tools
synced 2024-12-25 22:03:43 +01:00
a87276b6c4
allow using the MeshDLRImFreq to be used as general Sumk mesh during the DMFT loop for all functions.
97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
################################################################################
|
|
#
|
|
# TRIQS: a Toolbox for Research in Interacting Quantum Systems
|
|
#
|
|
# Copyright (C) 2011 by M. Aichhorn, L. Pourovskii, V. Vildosola
|
|
#
|
|
# TRIQS is free software: you can redistribute it and/or modify it under the
|
|
# terms of the GNU General Public License as published by the Free Software
|
|
# Foundation, either version 3 of the License, or (at your option) any later
|
|
# version.
|
|
#
|
|
# TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along with
|
|
# TRIQS. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
################################################################################
|
|
|
|
from h5 import HDFArchive
|
|
from triqs.utility import mpi
|
|
from triqs.gf import MeshImFreq, MeshDLRImFreq, Gf, BlockGf, make_gf_dlr, make_gf_imfreq
|
|
from triqs_dft_tools.sumk_dft import SumkDFT
|
|
from triqs.operators.util import set_operator_structure
|
|
from triqs.utility.comparison_tests import assert_block_gfs_are_close
|
|
from triqs.utility.h5diff import h5diff
|
|
|
|
import time
|
|
|
|
# Basic input parameters
|
|
beta = 40
|
|
n_iw = 1025
|
|
|
|
# classic full Matsubara mesh
|
|
mpi.report(f"{'#'*12}\nregular Matsubara mesh test\n")
|
|
|
|
# Init the SumK class (reference data with n_iw=1025)
|
|
iw_mesh = MeshImFreq(n_iw=n_iw,beta=beta, statistic='Fermion')
|
|
SK=SumkDFT(hdf_file='SrVO3.ref.h5',mesh=iw_mesh,use_dft_blocks=True)
|
|
|
|
num_orbitals = SK.corr_shells[0]['dim']
|
|
l = SK.corr_shells[0]['l']
|
|
spin_names = ['down','up']
|
|
orb_hybridized = False
|
|
|
|
gf_struct = set_operator_structure(spin_names,num_orbitals,orb_hybridized)
|
|
glist = [ Gf(target_shape=(bl_size,bl_size),mesh=iw_mesh) for bl, bl_size in gf_struct]
|
|
Sigma_iw = BlockGf(name_list = [bl for bl, bl_size in gf_struct], block_list = glist, make_copies = False)
|
|
|
|
SK.set_Sigma([Sigma_iw])
|
|
|
|
if mpi.is_master_node():
|
|
start_time = time.time()
|
|
|
|
Gloc = SK.extract_G_loc()
|
|
|
|
if mpi.is_master_node():
|
|
mpi.report(f'extract_G_loc time: {(time.time()-start_time)*1000:.1f} msec')
|
|
|
|
if mpi.is_master_node():
|
|
with HDFArchive('srvo3_Gloc.out.h5','w') as ar:
|
|
ar['Gloc'] = Gloc[0]
|
|
|
|
if mpi.is_master_node():
|
|
h5diff("srvo3_Gloc.out.h5","srvo3_Gloc.ref.h5")
|
|
|
|
mpi.report(f"{'#'*12}\n")
|
|
|
|
|
|
# DLR Matsubara mesh
|
|
mpi.report(f"{'#'*12}\nDLR Matsubara mesh test\n")
|
|
|
|
dlr_mesh = MeshDLRImFreq(beta=beta, statistic='Fermion', w_max=10, eps=1e-10)
|
|
SK=SumkDFT(hdf_file='SrVO3.ref.h5',mesh=dlr_mesh,use_dft_blocks=True)
|
|
|
|
glist_dlr = [ Gf(target_shape=(bl_size,bl_size),mesh=dlr_mesh) for bl, bl_size in gf_struct]
|
|
Sigma_dlr = BlockGf(name_list = [bl for bl, bl_size in gf_struct], block_list = glist_dlr, make_copies = False)
|
|
SK.set_Sigma([Sigma_dlr])
|
|
|
|
if mpi.is_master_node():
|
|
start_time = time.time()
|
|
|
|
Gloc_dlr_iw = SK.extract_G_loc()
|
|
|
|
if mpi.is_master_node():
|
|
mpi.report(f'extract_G_loc time: {(time.time()-start_time)*1000:.1f} msec')
|
|
|
|
with HDFArchive('srvo3_Gloc.out.h5','a') as ar:
|
|
ar['Gloc_dlr'] = make_gf_imfreq(make_gf_dlr(Gloc_dlr_iw[0]),n_iw=n_iw)
|
|
# get full Giw and compare
|
|
Gloc_iw_full = make_gf_imfreq(make_gf_dlr(Gloc_dlr_iw[0]),n_iw=n_iw)
|
|
assert_block_gfs_are_close(Gloc[0], Gloc_iw_full)
|
|
|
|
mpi.report(f"{'#'*12}\n")
|