new version of SOSEX (need serious debugging)

This commit is contained in:
Pierre-Francois Loos 2021-10-22 21:10:31 +02:00
parent c4ac7f69e6
commit 494204113b
17 changed files with 483 additions and 78 deletions

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@ -1,7 +1,7 @@
integer,parameter :: ncart = 3
integer,parameter :: nspin = 2
integer,parameter :: nsp = 3
integer,parameter :: maxEns = 3
integer,parameter :: maxEns = 4
integer,parameter :: maxShell = 512
integer,parameter :: maxL = 7
integer,parameter :: n1eInt = 3

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@ -6,31 +6,34 @@
# GGA = 2: B88,G96,PBE
# MGGA = 3:
# Hybrid = 4: HF,B3LYP,PBE
4 HF
1 S51
# correlation rung:
# Hartree = 0: H
# LDA = 1: PW92,VWN3,VWN5,eVWN5
# GGA = 2: LYP,PBE
# MGGA = 3:
# Hybrid = 4: HF,B3LYP,PBE
0 H
1 VWN5
# quadrature grid SG-n
1
# Number of states in ensemble (nEns)
1
4
# occupation numbers
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
# Ensemble weights: wEns(1),...,wEns(nEns-1)
0.0 0.0
0.25 0.25 0.25
# N-centered?
F
T
# Parameters for CC weight-dependent exchange functional
0.0 0.0 0.0
0.0 0.0 0.0

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@ -13,9 +13,9 @@
# G0F2* evGF2* qsGF2* G0F3 evGF3
F F F F F
# G0W0* evGW* qsGW* ufG0W0 ufGW
F F F F F
T F F F F
# G0T0 evGT qsGT
T F F
F F F
# MCMP2
F
# * unrestricted version available

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@ -9,10 +9,10 @@
# GF: maxSCF thresh DIIS n_diis lin eta renorm
256 0.00001 T 5 T 0.0 3
# GW/GT: maxSCF thresh DIIS n_diis lin eta COHSEX SOSEX TDA_W G0W GW0
256 0.00001 T 5 T 0.0 F F F F F
256 0.00001 T 5 T 0.0 F T F F F
# ACFDT: AC Kx XBS
F F T
# BSE: BSE dBSE dTDA evDyn
T T T F
F T T F
# MCMP2: nMC nEq nWalk dt nPrint iSeed doDrift
1000000 100000 10 0.3 10000 1234 T

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@ -1,4 +1,4 @@
subroutine G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
subroutine G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA, &
dBSE,dTDA,evDyn,singlet,triplet,linearize,eta, &
nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_AO,ERI_MO,dipole_int,PHF,cHF,eHF,Vxc,eG0W0)
@ -14,7 +14,6 @@ subroutine G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
logical,intent(in) :: exchange_kernel
logical,intent(in) :: doXBS
logical,intent(in) :: COHSEX
logical,intent(in) :: SOSEX
logical,intent(in) :: BSE
logical,intent(in) :: TDA_W
logical,intent(in) :: TDA
@ -76,13 +75,6 @@ subroutine G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
EcRPA = 0d0
! SOSEX correction
if(SOSEX) then
write(*,*) 'SOSEX correction activated but BUG!'
stop
end if
! COHSEX approximation
if(COHSEX) then

196
src/MBPT/G0W0_SOSEX.f90 Normal file
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@ -0,0 +1,196 @@
subroutine G0W0_SOSEX(doACFDT,exchange_kernel,doXBS,BSE,TDA_W,TDA,dBSE,dTDA,evDyn,singlet,triplet,eta, &
nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_AO,ERI_MO,dipole_int,PHF,cHF,eHF,Vxc,eSOSEX)
! Perform the SOSEX extension of G0W0
implicit none
include 'parameters.h'
include 'quadrature.h'
! Input variables
logical,intent(in) :: doACFDT
logical,intent(in) :: exchange_kernel
logical,intent(in) :: doXBS
logical,intent(in) :: BSE
logical,intent(in) :: TDA_W
logical,intent(in) :: TDA
logical,intent(in) :: dBSE
logical,intent(in) :: dTDA
logical,intent(in) :: evDyn
logical,intent(in) :: singlet
logical,intent(in) :: triplet
double precision,intent(in) :: eta
integer,intent(in) :: nBas
integer,intent(in) :: nC
integer,intent(in) :: nO
integer,intent(in) :: nV
integer,intent(in) :: nR
integer,intent(in) :: nS
double precision,intent(in) :: ENuc
double precision,intent(in) :: ERHF
double precision,intent(in) :: ERI_AO(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_MO(nBas,nBas,nBas,nBas)
double precision,intent(in) :: dipole_int(nBas,nBas,ncart)
double precision,intent(in) :: Vxc(nBas)
double precision,intent(in) :: eHF(nBas)
double precision,intent(in) :: cHF(nBas,nBas)
double precision,intent(in) :: PHF(nBas,nBas)
! Local variables
logical :: print_W = .true.
integer :: ispin
double precision :: EcRPA(nspin)
double precision :: EcBSE(nspin)
double precision :: EcAC(nspin)
double precision :: EcGM
double precision,allocatable :: SigX(:)
double precision,allocatable :: SigC(:)
double precision,allocatable :: Z(:)
double precision,allocatable :: OmRPA(:,:)
double precision,allocatable :: XpY_RPA(:,:,:)
double precision,allocatable :: XmY_RPA(:,:,:)
double precision,allocatable :: rho_RPA(:,:,:,:)
! Output variables
double precision :: eSOSEX(nBas)
! Hello world
write(*,*)
write(*,*)'************************************************'
write(*,*)'| One-shot SOSEX calculation |'
write(*,*)'************************************************'
write(*,*)
! Initialization
EcRPA = 0d0
! TDA for W
if(TDA_W) then
write(*,*) 'Tamm-Dancoff approximation for dynamic screening!'
write(*,*)
end if
! TDA
if(TDA) then
write(*,*) 'Tamm-Dancoff approximation activated!'
write(*,*)
end if
! Memory allocation
allocate(SigC(nBas),SigX(nBas),Z(nBas),OmRPA(nS,nspin),XpY_RPA(nS,nS,nspin),XmY_RPA(nS,nS,nspin),rho_RPA(nBas,nBas,nS,nspin))
!-------------------!
! Compute screening !
!-------------------!
do ispin=1,nspin
call linear_response(ispin,.true.,TDA_W,.false.,eta,nBas,nC,nO,nV,nR,nS,1d0,eHF,ERI_MO, &
OmRPA(:,ispin),rho_RPA(:,:,:,ispin),EcRPA(ispin),OmRPA(:,ispin),XpY_RPA(:,:,ispin),XmY_RPA(:,:,ispin))
if(print_W) call print_excitation('RPA@HF ',ispin,nS,OmRPA)
end do
!--------------------------!
! Compute spectral weights !
!--------------------------!
call excitation_density_SOSEX(nBas,nC,nO,nR,nS,ERI_MO,XpY_RPA,rho_RPA)
!------------------------!
! Compute GW self-energy !
!------------------------!
call self_energy_exchange_diag(nBas,cHF,PHF,ERI_AO,SigX)
call self_energy_correlation_SOSEX_diag(eta,nBas,nC,nO,nV,nR,nS,eHF,OmRPA,rho_RPA,EcGM,SigC)
!--------------------------------!
! Compute renormalization factor !
!--------------------------------!
call renormalization_factor_SOSEX(eta,nBas,nC,nO,nV,nR,nS,eHF,OmRPA,rho_RPA,Z)
!-----------------------------------!
! Solve the quasi-particle equation !
!-----------------------------------!
eSOSEX(:) = eHF(:) + Z(:)*(SigX(:) + SigC(:) - Vxc(:))
! Compute the RPA correlation energy
do ispin=1,nspin
call linear_response(ispin,.true.,TDA_W,.false.,eta,nBas,nC,nO,nV,nR,nS,1d0,eSOSEX,ERI_MO,OmRPA(:,ispin), &
rho_RPA(:,:,:,ispin),EcRPA(ispin),OmRPA(:,ispin),XpY_RPA(:,:,ispin),XmY_RPA(:,:,ispin))
end do
!--------------!
! Dump results !
!--------------!
call print_SOSEX(nBas,nO,eHF,ENuc,ERHF,SigC,Z,eSOSEX,EcRPA,EcGM)
! Deallocate memory
deallocate(SigC,Z,OmRPA,XpY_RPA,XmY_RPA,rho_RPA)
! Perform BSE calculation
if(BSE) then
call Bethe_Salpeter(TDA_W,TDA,dBSE,dTDA,evDyn,singlet,triplet,eta,nBas,nC,nO,nV,nR,nS,ERI_MO,dipole_int,eHF,eSOSEX,EcBSE)
if(exchange_kernel) then
EcBSE(1) = 0.5d0*EcBSE(1)
EcBSE(2) = 1.5d0*EcBSE(2)
end if
write(*,*)
write(*,*)'-------------------------------------------------------------------------------'
write(*,'(2X,A50,F20.10)') 'Tr@BSE@SOSEX correlation energy (singlet) =',EcBSE(1)
write(*,'(2X,A50,F20.10)') 'Tr@BSE@SOSEX correlation energy (triplet) =',EcBSE(2)
write(*,'(2X,A50,F20.10)') 'Tr@BSE@SOSEX correlation energy =',EcBSE(1) + EcBSE(2)
write(*,'(2X,A50,F20.10)') 'Tr@BSE@SOSEX total energy =',ENuc + ERHF + EcBSE(1) + EcBSE(2)
write(*,*)'-------------------------------------------------------------------------------'
write(*,*)
! Compute the BSE correlation energy via the adiabatic connection
if(doACFDT) then
write(*,*) '--------------------------------------------------------------'
write(*,*) ' Adiabatic connection version of BSE@SOSEX correlation energy '
write(*,*) '--------------------------------------------------------------'
write(*,*)
if(doXBS) then
write(*,*) '*** scaled screening version (XBS) ***'
write(*,*)
end if
call ACFDT(exchange_kernel,doXBS,.true.,TDA_W,TDA,BSE,singlet,triplet,eta,nBas,nC,nO,nV,nR,nS,ERI_MO,eHF,eSOSEX,EcAC)
write(*,*)
write(*,*)'-------------------------------------------------------------------------------'
write(*,'(2X,A50,F20.10)') 'AC@BSE@SOSEX correlation energy (singlet) =',EcAC(1)
write(*,'(2X,A50,F20.10)') 'AC@BSE@SOSEX correlation energy (triplet) =',EcAC(2)
write(*,'(2X,A50,F20.10)') 'AC@BSE@SOSEX correlation energy =',EcAC(1) + EcAC(2)
write(*,'(2X,A50,F20.10)') 'AC@BSE@SOSEX total energy =',ENuc + ERHF + EcAC(1) + EcAC(2)
write(*,*)'-------------------------------------------------------------------------------'
write(*,*)
end if
end if
end subroutine G0W0_SOSEX

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@ -1,4 +1,4 @@
subroutine evGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
subroutine evGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA, &
G0W,GW0,dBSE,dTDA,evDyn,singlet,triplet,eta,nBas,nC,nO,nV,nR,nS,ENuc,ERHF, &
ERI_AO,ERI_MO,dipole_int,PHF,cHF,eHF,Vxc,eG0W0)
@ -18,7 +18,6 @@ subroutine evGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSE
logical,intent(in) :: exchange_kernel
logical,intent(in) :: doXBS
logical,intent(in) :: COHSEX
logical,intent(in) :: SOSEX
logical,intent(in) :: BSE
logical,intent(in) :: TDA_W
logical,intent(in) :: TDA
@ -78,13 +77,6 @@ subroutine evGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSE
write(*,*)'************************************************'
write(*,*)
! SOSEX correction
if(SOSEX) then
write(*,*) 'SOSEX correction activated but BUG!'
stop
end if
! COHSEX approximation
if(COHSEX) then

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@ -1,31 +1,63 @@
subroutine excitation_density_SOSEX(nBas,nC,nO,nR,nS,G,XpY,rho)
subroutine excitation_density_SOSEX(nBas,nC,nO,nR,nS,ERI,XpY,rho)
! Compute excitation densities
! Compute excitation densities for SOSEX
implicit none
include 'parameters.h'
! Input variables
integer,intent(in) :: nBas,nC,nO,nR,nS
double precision,intent(in) :: G(nBas,nBas,nBas,nBas),XpY(nS,nS)
integer,intent(in) :: nBas
integer,intent(in) :: nC
integer,intent(in) :: nO
integer,intent(in) :: nR
integer,intent(in) :: nS
double precision,intent(in) :: ERI(nBas,nBas,nBas,nBas)
double precision,intent(in) :: XpY(nS,nS,nspin)
! Local variables
integer :: ia,jb,x,y,j,b
integer :: ispin
integer :: p,q
integer :: i,a,j,b
integer :: ia,jb
! Output variables
double precision,intent(out) :: rho(nBas,nBas,nS)
double precision,intent(out) :: rho(nBas,nBas,nS,nspin)
rho(:,:,:,:) = 0d0
! Singlet part
ispin = 1
rho(:,:,:) = 0d0
do ia=1,nS
do x=nC+1,nBas-nR
do y=nC+1,nBas-nR
do p=nC+1,nBas-nR
do q=nC+1,nBas-nR
jb = 0
do j=nC+1,nO
do b=nO+1,nBas-nR
jb = jb + 1
rho(x,y,ia) = rho(x,y,ia) + G(x,y,b,j)*XpY(ia,jb)
rho(p,q,ia,ispin) = rho(p,q,ia,ispin) + ERI(p,j,q,b)*XpY(ia,jb,ispin)
enddo
enddo
enddo
enddo
enddo
! Triplet part
ispin = 2
do ia=1,nS
do p=nC+1,nBas-nR
do q=nC+1,nBas-nR
jb = 0
do j=nC+1,nO
do b=nO+1,nBas-nR
jb = jb + 1
rho(p,q,ia,ispin) = rho(p,q,ia,ispin) + (ERI(p,j,q,b) - ERI(p,j,b,q))*XpY(ia,jb,ispin)
enddo
enddo
enddo

55
src/MBPT/print_SOSEX.f90 Normal file
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@ -0,0 +1,55 @@
subroutine print_SOSEX(nBas,nO,eHF,ENuc,ERHF,SigC,Z,eSOSEX,EcRPA,EcGM)
! Print one-electron energies and other stuff for SOSEX
implicit none
include 'parameters.h'
integer,intent(in) :: nBas,nO
double precision,intent(in) :: ENuc
double precision,intent(in) :: ERHF
double precision,intent(in) :: EcRPA
double precision,intent(in) :: EcGM
double precision,intent(in) :: eHF(nBas)
double precision,intent(in) :: SigC(nBas)
double precision,intent(in) :: Z(nBas)
double precision,intent(in) :: eSOSEX(nBas)
integer :: p,HOMO,LUMO
double precision :: Gap
! HOMO and LUMO
HOMO = nO
LUMO = HOMO + 1
Gap = eSOSEX(LUMO)-eSOSEX(HOMO)
! Dump results
write(*,*)'-------------------------------------------------------------------------------'
write(*,*)' One-shot SOSEX calculation '
write(*,*)'-------------------------------------------------------------------------------'
write(*,'(1X,A1,1X,A3,1X,A1,1X,A15,1X,A1,1X,A15,1X,A1,1X,A15,1X,A1,1X,A15,1X,A1,1X)') &
'|','#','|','e_HF (eV)','|','Sig_c (eV)','|','Z','|','e_QP (eV)','|'
write(*,*)'-------------------------------------------------------------------------------'
do p=1,nBas
write(*,'(1X,A1,1X,I3,1X,A1,1X,F15.6,1X,A1,1X,F15.6,1X,A1,1X,F15.6,1X,A1,1X,F15.6,1X,A1,1X)') &
'|',p,'|',eHF(p)*HaToeV,'|',SigC(p)*HaToeV,'|',Z(p),'|',eSOSEX(p)*HaToeV,'|'
enddo
write(*,*)'-------------------------------------------------------------------------------'
write(*,'(2X,A30,F15.6,A3)') 'SOSEX HOMO energy:',eSOSEX(HOMO)*HaToeV,' eV'
write(*,'(2X,A30,F15.6,A3)') 'SOSEX LUMO energy:',eSOSEX(LUMO)*HaToeV,' eV'
write(*,'(2X,A30,F15.6,A3)') 'SOSEX HOMO-LUMO gap :',Gap*HaToeV,' eV'
write(*,*)'-------------------------------------------------------------------------------'
write(*,'(2X,A30,F15.6,A3)') 'RPA@SOSEX total energy :',ENuc + ERHF + EcRPA,' au'
write(*,'(2X,A30,F15.6,A3)') 'RPA@SOSEX correlation energy:',EcRPA,' au'
write(*,'(2X,A30,F15.6,A3)') 'GM@SOSEX total energy :',ENuc + ERHF + EcGM,' au'
write(*,'(2X,A30,F15.6,A3)') 'GM@SOSEX correlation energy:',EcGM,' au'
write(*,*)'-------------------------------------------------------------------------------'
write(*,*)
end subroutine print_SOSEX

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@ -1,4 +1,4 @@
subroutine qsGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
subroutine qsGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA, &
G0W,GW0,dBSE,dTDA,evDyn,singlet,triplet,eta,nNuc,ZNuc,rNuc,ENuc,nBas,nC,nO,nV,nR,nS,ERHF, &
S,X,T,V,Hc,ERI_AO,ERI_MO,dipole_int_AO,dipole_int_MO,PHF,cHF,eHF)
@ -16,7 +16,6 @@ subroutine qsGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSE
logical,intent(in) :: exchange_kernel
logical,intent(in) :: doXBS
logical,intent(in) :: COHSEX
logical,intent(in) :: SOSEX
logical,intent(in) :: BSE
logical,intent(in) :: TDA_W
logical,intent(in) :: TDA
@ -113,13 +112,6 @@ subroutine qsGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSE
nBasSq = nBas*nBas
! SOSEX correction
if(SOSEX) then
write(*,*) 'SOSEX correction activated but BUG!'
stop
end if
! COHSEX approximation
if(COHSEX) then

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@ -1,4 +1,4 @@
subroutine qsUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
subroutine qsUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA, &
G0W,GW0,dBSE,dTDA,evDyn,spin_conserved,spin_flip,eta,nNuc,ZNuc,rNuc,ENuc,nBas,nC,nO, &
nV,nR,nS,EUHF,S,X,T,V,Hc,ERI_AO,ERI_aaaa,ERI_aabb,ERI_bbbb,dipole_int_AO,dipole_int_aa, &
dipole_int_bb,PHF,cHF,eHF)
@ -17,7 +17,6 @@ subroutine qsUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOS
logical,intent(in) :: exchange_kernel
logical,intent(in) :: doXBS
logical,intent(in) :: COHSEX
logical,intent(in) :: SOSEX
logical,intent(in) :: BSE
logical,intent(in) :: TDA_W
logical,intent(in) :: TDA
@ -121,13 +120,6 @@ subroutine qsUGW(maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,COHSEX,SOS
nBasSq = nBas*nBas
! SOSEX correction
if(SOSEX) then
write(*,*) 'SOSEX correction activated but BUG!'
stop
end if
! COHSEX approximation
if(COHSEX) then

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@ -0,0 +1,73 @@
subroutine renormalization_factor_SOSEX(eta,nBas,nC,nO,nV,nR,nS,e,Omega,rho,Z)
! Compute renormalization factor for the SOSEX version of GW
implicit none
include 'parameters.h'
! Input variables
double precision,intent(in) :: eta
integer,intent(in) :: nBas
integer,intent(in) :: nC
integer,intent(in) :: nO
integer,intent(in) :: nV
integer,intent(in) :: nR
integer,intent(in) :: nS
double precision,intent(in) :: e(nBas)
double precision,intent(in) :: Omega(nS,nspin)
double precision,intent(in) :: rho(nBas,nBas,nS,nspin)
! Local variables
integer :: ispin
integer :: i,j,a,b,p,jb
double precision :: eps
! Output variables
double precision,intent(out) :: Z(nBas)
! Initialize
Z(:) = 0d0
! Occupied part of the correlation self-energy
do p=nC+1,nBas-nR
do i=nC+1,nO
jb = 0
do j=nC+1,nO
do b=nO+1,nBas-nR
jb = jb + 1
do ispin=1,nspin
eps = e(p) - e(i) + Omega(jb,ispin)
Z(p) = Z(p) - 2d0*rho(p,i,jb,ispin)**2*(eps/(eps**2 + eta**2))**2
end do
end do
end do
end do
end do
! Virtual part of the correlation self-energy
do p=nC+1,nBas-nR
do a=nO+1,nBas-nR
jb = 0
do j=nC+1,nO
do b=nO+1,nBas-nR
jb = jb + 1
do ispin=1,nspin
eps = e(p) - e(a) - Omega(jb,ispin)
Z(p) = Z(p) - 2d0*rho(p,a,jb,ispin)**2*(eps/(eps**2 + eta**2))**2
end do
end do
end do
end do
end do
! Compute renormalization factor from derivative of SigC
Z(:) = 1d0/(1d0 - Z(:))
end subroutine renormalization_factor_SOSEX

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@ -0,0 +1,80 @@
subroutine self_energy_correlation_SOSEX_diag(eta,nBas,nC,nO,nV,nR,nS,e,Omega,rho,EcGM,SigC)
! Compute diagonal of the correlation part of the self-energy
implicit none
include 'parameters.h'
! Input variables
double precision,intent(in) :: eta
integer,intent(in) :: nBas
integer,intent(in) :: nC
integer,intent(in) :: nO
integer,intent(in) :: nV
integer,intent(in) :: nR
integer,intent(in) :: nS
double precision,intent(in) :: e(nBas)
double precision,intent(in) :: Omega(nS,nspin)
double precision,intent(in) :: rho(nBas,nBas,nS,nspin)
! Local variables
integer :: ispin
integer :: i,a,p,q,jb
double precision :: eps
! Output variables
double precision,intent(out) :: SigC(nBas)
double precision,intent(out) :: EcGM
! Initialize
SigC(:) = 0d0
!-----------------------------
! SOSEX self-energy
!-----------------------------
! Occupied part of the correlation self-energy
do p=nC+1,nBas-nR
do i=nC+1,nO
do jb=1,nS
do ispin=1,nspin
eps = e(p) - e(i) + Omega(jb,ispin)
SigC(p) = SigC(p) + 2d0*rho(p,i,jb,ispin)**2*eps/(eps**2 + eta**2)
end do
end do
end do
end do
! Virtual part of the correlation self-energy
do p=nC+1,nBas-nR
do a=nO+1,nBas-nR
do jb=1,nS
do ispin=1,nspin
eps = e(p) - e(a) - Omega(jb,ispin)
SigC(p) = SigC(p) + 2d0*rho(p,a,jb,ispin)**2*eps/(eps**2 + eta**2)
end do
end do
end do
end do
! GM correlation energy
EcGM = 0d0
do i=nC+1,nO
do a=nO+1,nBas-nR
do jb=1,nS
do ispin=1,nspin
eps = e(a) - e(i) + Omega(jb,ispin)
EcGM = EcGM - 4d0*rho(a,i,jb,ispin)*rho(a,i,jb,ispin)*eps/(eps**2 + eta**2)
end do
end do
end do
end do
end subroutine self_energy_correlation_SOSEX_diag

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@ -953,8 +953,10 @@ program QuAcK
dipole_int_aa,dipole_int_bb,PHF,cHF,eHF,Vxc,eG0W0)
else
call G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA,dBSE,dTDA,evDyn,singlet,triplet, &
call G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA,dBSE,dTDA,evDyn,singlet,triplet, &
linGW,eta_GW,nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_AO,ERI_MO,dipole_int_MO,PHF,cHF,eHF,Vxc,eG0W0)
! call G0W0_SOSEX(doACFDT,exchange_kernel,doXBS,BSE,TDA_W,TDA,dBSE,dTDA,evDyn,singlet,triplet, &
! eta_GW,nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_AO,ERI_MO,dipole_int_MO,PHF,cHF,eHF,Vxc,eG0W0)
! call ufBSE(eta_GW,nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_MO,eHF,eG0W0)
@ -984,7 +986,7 @@ program QuAcK
else
call evGW(maxSCF_GW,thresh_GW,n_diis_GW,doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX, &
call evGW(maxSCF_GW,thresh_GW,n_diis_GW,doACFDT,exchange_kernel,doXBS,COHSEX, &
BSE,TDA_W,TDA,G0W,GW0,dBSE,dTDA,evDyn,singlet,triplet,eta_GW, &
nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_AO,ERI_MO,dipole_int_MO,PHF,cHF,eHF,Vxc,eG0W0)
end if
@ -1006,14 +1008,14 @@ program QuAcK
if(unrestricted) then
call qsUGW(maxSCF_GW,thresh_GW,n_diis_GW,doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
call qsUGW(maxSCF_GW,thresh_GW,n_diis_GW,doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA, &
G0W,GW0,dBSE,dTDA,evDyn,spin_conserved,spin_flip,eta_GW,nNuc,ZNuc,rNuc,ENuc,nBas,nC,nO, &
nV,nR,nS,EUHF,S,X,T,V,Hc,ERI_AO,ERI_MO_aaaa,ERI_MO_aabb,ERI_MO_bbbb,dipole_int_AO, &
dipole_int_aa,dipole_int_bb,PHF,cHF,eHF)
else
call qsGW(maxSCF_GW,thresh_GW,n_diis_GW,doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX, &
call qsGW(maxSCF_GW,thresh_GW,n_diis_GW,doACFDT,exchange_kernel,doXBS,COHSEX, &
BSE,TDA_W,TDA,G0W,GW0,dBSE,dTDA,evDyn,singlet,triplet,eta_GW,nNuc,ZNuc,rNuc,ENuc, &
nBas,nC,nO,nV,nR,nS,ERHF,S,X,T,V,Hc,ERI_AO,ERI_MO,dipole_int_AO,dipole_int_MO,PHF,cHF,eHF)
@ -1220,7 +1222,7 @@ program QuAcK
! ! Long-range G0W0 calculation
! call cpu_time(start_G0W0)
! call G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,SOSEX,BSE,TDA_W,TDA, &
! call G0W0(doACFDT,exchange_kernel,doXBS,COHSEX,BSE,TDA_W,TDA, &
! dBSE,dTDA,evDyn,singlet,triplet,linGW,eta_GW, &
! nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI_ERF_MO,dipole_int_MO,eHF,eG0W0)
! call cpu_time(end_G0W0)

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@ -22,7 +22,7 @@ subroutine read_options_dft(nBas,method,x_rung,x_DFA,c_rung,c_DFA,SGn,nEns,wEns,
character(len=8),intent(out) :: method
integer,intent(out) :: x_rung,c_rung
character(len=12),intent(out) :: x_DFA, c_DFA
character(len=12),intent(out) :: x_DFA,c_DFA
integer,intent(out) :: SGn
integer,intent(out) :: nEns
logical,intent(out) :: doNcentered
@ -39,11 +39,11 @@ subroutine read_options_dft(nBas,method,x_rung,x_DFA,c_rung,c_DFA,SGn,nEns,wEns,
! Default values
method = 'GOK-RKS'
method = 'eDFT-UKS'
x_rung = 1
c_rung = 1
x_DFA = 'RS51'
c_DFA = 'RVWN5'
x_DFA = 'S51'
c_DFA = 'VWN5'
SGn = 0
wEns(:) = 0d0
@ -134,15 +134,16 @@ subroutine read_options_dft(nBas,method,x_rung,x_DFA,c_rung,c_DFA,SGn,nEns,wEns,
if(answer == 'T') doNcentered = .true.
wEns(1) = 1d0
do iEns=2,nEns
wEns(1) = wEns(1) - wEns(iEns)
end do
if (doNcentered) then
wEns(1) = 1d0 - wEns(2) - wEns(3)
wEns(2) = (nEl(1)/nEl(2))*wEns(2)
wEns(3) = (nEl(1)/nEl(3))*wEns(3)
else
wEns(1) = 1d0 - wEns(2) - wEns(3)
do iEns=2,nEns
wEns(iEns) = (nEl(1)/nEl(iEns))*wEns(iEns)
end do
end if

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@ -46,10 +46,6 @@ subroutine unrestricted_auxiliary_energy(nBas,nEns,eps,occnum,doNcentered,Eaux)
end do
end do
! if (doNcentered .NE. 0) then
! Eaux(:,iEns) = Eaux(:,iEns)*(nEl(iEns)/nEl(1))
! end if
end do
end subroutine unrestricted_auxiliary_energy

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@ -26,7 +26,6 @@ subroutine unrestricted_correlation_individual_energy(rung,DFA,LDA_centered,nEns
double precision :: EcLDA(nsp)
double precision :: EcGGA(nsp)
double precision :: aC
! Output variables