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Hamiltonian
--
DFT+U
--- ACBN0IntersiteCutoff
--- ACBN0IntersiteInteraction
--- ACBN0RotationallyInvariant
--- ACBN0Screening
--- DFTUBasisFromStates
--- DFTUBasisStates
--- DFTUDoubleCounting
--- DFTUPoissonSolver
--- SkipSOrbitals
--- UseAllAtomicOrbitals
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DFTUDoubleCounting
DFTUDoubleCounting
Section Hamiltonian::DFT+U
Type integer
Default dft_u_fll
This variable selects which DFT+U
double counting term is used.
Options :
dft_u_fll :
(Default) The Fully Localized Limit (FLL)
dft_u_amf :
(Experimental) Around mean field double counting, as defined in PRB 44, 943 (1991) and PRB 49, 14211 (1994).
dft_u_mix :
(Experimental) Mixed double countind term as introduced by Petukhov et al., PRB 67, 153106 (2003).
This recovers the FLL and AMF as limiting cases.
Source information
hamiltonian/lda_u.F90 : 239
call parse_variable ( namespace , 'DFTUDoubleCounting' , DFT_U_FLL , this % double_couting )