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regularized self-energy in qsGW and evGW

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This commit is contained in:
Pierre-Francois Loos 2022-01-06 22:02:10 +01:00
parent 3d4ef5bece
commit c21864c34c
4 changed files with 52 additions and 16 deletions
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4
input/methods
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@ -11,9 +11,9 @@
# RPA* RPAx* crRPA ppRPA
F F F F
# G0F2* evGF2* qsGF2* G0F3 evGF3
F F T F F
F F F F F
# G0W0* evGW* qsGW* ufG0W0 ufGW
F F F F F
F F T F F
# G0T0 evGT qsGT
F F F
# MCMP2

2
mol/h2.xyz
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@ -1,4 +1,4 @@
2
H 0. 0. 0.
H 0. 0. 0.7
H 0. 0. 1.14

36
src/GW/evUGW.f90
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@ -166,7 +166,7 @@ subroutine evUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE
call unrestricted_linear_response(ispin,.true.,TDA_W,.false.,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0, &
eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
endif
end if
!----------------------!
! Excitation densities !
@ -180,15 +180,33 @@ subroutine evUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE
if(G0W) then
call unrestricted_self_energy_correlation_diag(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,Z)
if(regularize) then
call unrestricted_regularized_self_energy_correlation_diag(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_regularized_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,Z)
else
call unrestricted_self_energy_correlation_diag(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,Z)
end if
else
call unrestricted_self_energy_correlation_diag(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,Z)
if(regularize) then
endif
call unrestricted_regularized_self_energy_correlation_diag(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_regularized_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,Z)
else
call unrestricted_self_energy_correlation_diag(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,Z)
end if
end if
!-----------------------------------!
! Solve the quasi-particle equation !
@ -222,7 +240,7 @@ subroutine evUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE
if(minval(rcond(:)) < 1d-15) n_diis = 0
endif
end if
! Save quasiparticles energy for next cycle
@ -253,7 +271,7 @@ subroutine evUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE
stop
endif
end if
! Deallocate memory
@ -316,6 +334,6 @@ subroutine evUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE
end if
endif
end if
end subroutine evUGW

26
src/GW/qsUGW.f90
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@ -227,13 +227,31 @@ subroutine qsUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE
if(G0W) then
call unrestricted_self_energy_correlation(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,Z)
if(regularize) then
call unrestricted_regularized_self_energy_correlation(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_regularized_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,Z)
else
call unrestricted_self_energy_correlation(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eHF,OmRPA,rho_RPA,Z)
end if
else
call unrestricted_self_energy_correlation(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,Z)
if(regularize) then
call unrestricted_regularized_self_energy_correlation(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_regularized_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,Z)
else
call unrestricted_self_energy_correlation(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,SigC,EcGM)
call unrestricted_renormalization_factor(eta,nBas,nC,nO,nV,nR,nS_sc,eGW,OmRPA,rho_RPA,Z)
end if
endif