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https://github.com/triqs/dft_tools
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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
from triqs_dft_tools.sumk_dft_tools import *
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from triqs_dft_tools.converters.wien2k_converter import *
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from pytriqs.applications.impurity_solvers.hubbard_I.hubbard_solver import Solver
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# Creates the data directory, cd into it:
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#Prepare_Run_Directory(DirectoryName = "Ce-Gamma")
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dft_filename = 'Ce-gamma'
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beta = 40
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U_int = 6.00
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J_hund = 0.70
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DC_type = 0 # 0...FLL, 1...Held, 2... AMF, 3...Lichtenstein
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ommin=-4.0
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ommax=6.0
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N_om=2001
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broadening = 0.02
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# Convert DMFT input:
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Converter = Wien2kConverter(filename=dft_filename,repacking=True)
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Converter.convert_dft_input()
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Converter.convert_parproj_input()
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# Init the SumK class
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SK = SumkDFTTools(hdf_file=dft_filename+'.h5',use_dft_blocks=False)
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# load old chemical potential and DC
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if mpi.is_master_node():
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SK.chemical_potential,SK.dc_imp,SK.dc_energ = SK.load(['chemical_potential','dc_imp','dc_energ'])
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SK.chemical_potential = mpi.bcast(SK.chemical_potential)
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SK.dc_imp = mpi.bcast(SK.dc_imp)
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SK.dc_energ = mpi.bcast(SK.dc_energ)
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if (mpi.is_master_node()):
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print 'DC after reading SK: ',SK.dc_imp[0]
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N = SK.corr_shells[0]['dim']
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l = SK.corr_shells[0]['l']
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# Init the Solver:
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S = Solver(beta = beta, l = l)
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# set atomic levels:
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eal = SK.eff_atomic_levels()[0]
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S.set_atomic_levels( eal = eal )
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# Run the solver to get GF and self-energy on the real axis
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S.GF_realomega(ommin=ommin, ommax = ommax, N_om=N_om,U_int=U_int,J_hund=J_hund)
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SK.set_Sigma([S.Sigma])
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# compute DOS
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SK.dos_parproj_basis(broadening=broadening)
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