mirror of
https://github.com/triqs/dft_tools
synced 2024-09-02 01:03:42 +02:00
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
################################################################################
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#
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# TRIQS: a Toolbox for Research in Interacting Quantum Systems
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#
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# Copyright (C) 2011 by M. Aichhorn, L. Pourovskii, V. Vildosola
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#
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# TRIQS is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# TRIQS. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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from pytriqs.archive import *
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from pytriqs.applications.dft.sumk_lda import *
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from pytriqs.applications.dft.converters.wien2k_converter import *
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from pytriqs.applications.dft.solver_multiband import *
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from pytriqs.applications.dft.U_matrix import *
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from pytriqs.applications.impurity_solvers.cthyb import *
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# Basic input parameters
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U = 4.0
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J = 0.6
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beta = 40
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# Init the SumK class
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SK=SumkLDA(hdf_file='SrVO3.h5',use_lda_blocks=True)
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num_orbitals = SK.corr_shells[0][3]
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l = SK.corr_shells[0][2]
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spin_names = ["up","down"]
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orb_names = ["%s"%i for i in range(num_orbitals)]
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orb_hybridized = False
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# Construct U matrix for density-density calculations
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Umat, Upmat = U_matrix_kanamori(n_orb=num_orbitals, U_int=U, J_hund=J)
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L = LocalProblem(spin_names, orb_names, orb_hybridized, h_loc_type="density", U=Umat, Uprime=Upmat, H_dump="srvo3_Gloc_H.txt" )
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S = Solver(beta=beta, gf_struct=L.gf_struct)
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SK.put_Sigma([S.Sigma_iw])
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Gloc=SK.extract_G_loc()
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ar = HDFArchive('srvo3_Gloc.output.h5','w')
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ar['Gloc'] = Gloc[0]
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del ar
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