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mirror of https://github.com/pfloos/quack synced 2024-12-22 12:23:50 +01:00

Merge branch 'master' of github.com:pfloos/QuAcK

This commit is contained in:
Antoine Marie 2024-10-23 18:07:04 +02:00
commit 7c972806a0
11 changed files with 166 additions and 140 deletions

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@ -1,4 +1,4 @@
2
H 0.00000000 0.0 0.0
H 0.00000000 0.0 0.74031892
H 0.00000000 0.0 1.235

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@ -162,7 +162,7 @@ subroutine RGW(dotest,doG0W0,doevGW,doqsGW,doufG0W0,doufGW,maxSCF,thresh,max_dii
! Perform CC-based G0W0 calculation
!------------------------------------------------------------------------
doccG0W0 = .true.
doccG0W0 = .false.
if(doccG0W0) then

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@ -65,9 +65,7 @@ subroutine RGW_phBSE(dophBSE2,exchange_kernel,TDA_W,TDA,dBSE,dTDA,singlet,triple
Aph(nS,nS),Bph(nS,nS),KA_sta(nS,nS),KB_sta(nS,nS), &
OmBSE(nS),XpY_BSE(nS,nS),XmY_BSE(nS,nS))
!-----!
! TDA !
!-----!
! TDA
if(TDA) then
write(*,*) 'Tamm-Dancoff approximation activated in phBSE!'

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@ -46,9 +46,9 @@ subroutine UG0W0(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_W,TDA,dBSE,dTD
! Local variables
logical :: print_W = .true.
logical :: dRPA
logical :: dRPA_W
integer :: is
integer :: ispin
integer :: isp_W
double precision :: flow
double precision :: EcRPA
double precision :: EcGM(nspin)
@ -78,7 +78,7 @@ subroutine UG0W0(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_W,TDA,dBSE,dTD
! Initialization
EcRPA = 0d0
dRPA = .true.
dRPA_W = .true.
! TDA for W
@ -113,10 +113,10 @@ subroutine UG0W0(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_W,TDA,dBSE,dTD
! Spin-conserving transitions
ispin = 1
isp_W = 1
call phULR_A(ispin,dRPA,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,eHF,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(ispin,dRPA,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR_A(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,eHF,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA_W) call phULR_B(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR(TDA_W,nSa,nSb,nSt,Aph,Bph,EcRPA,Om,XpY,XmY)
@ -172,8 +172,8 @@ subroutine UG0W0(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_W,TDA,dBSE,dTD
! Compute RPA correlation energy
call phULR_A(ispin,dRPA,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(ispin,dRPA,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR_A(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA_W) call phULR_B(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nSa,nSb,nSt,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR(TDA_W,nSa,nSb,nSt,Aph,Bph,EcRPA,Om,XpY,XmY)
@ -205,7 +205,7 @@ subroutine UG0W0(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_W,TDA,dBSE,dTD
if(doACFDT) then
call UGW_phACFDT(exchange_kernel,doXBS,.true.,TDA_W,TDA,dophBSE,spin_conserved,spin_flip,eta, &
call UGW_phACFDT(exchange_kernel,doXBS,TDA_W,TDA,spin_conserved,spin_flip,eta, &
nBas,nC,nO,nV,nR,nS,ERI_aaaa,ERI_aabb,ERI_bbbb,eHF,eGW,EcBSE)
write(*,*)

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@ -1,5 +1,5 @@
subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,spin_flip,eta, &
nBas,nC,nO,nV,nR,nS,ERI_aaaa,ERI_aabb,ERI_bbbb,eW,e,EcAC)
subroutine UGW_phACFDT(exchange_kernel,doXBS,TDA_W,TDA,spin_conserved,spin_flip,eta, &
nBas,nC,nO,nV,nR,nS,ERI_aaaa,ERI_aabb,ERI_bbbb,eW,eGW,EcAC)
! Compute the correlation energy via the adiabatic connection fluctuation dissipation theorem
@ -10,10 +10,8 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
! Input variables
logical,intent(in) :: doXBS
logical,intent(in) :: dRPA
logical,intent(in) :: TDA_W
logical,intent(in) :: TDA
logical,intent(in) :: BSE
logical,intent(in) :: exchange_kernel
logical,intent(in) :: spin_conserved
logical,intent(in) :: spin_flip
@ -26,19 +24,27 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
integer,intent(in) :: nR(nspin)
integer,intent(in) :: nS(nspin)
double precision,intent(in) :: eW(nBas,nspin)
double precision,intent(in) :: e(nBas,nspin)
double precision,intent(in) :: eGW(nBas,nspin)
double precision,intent(in) :: ERI_aaaa(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_aabb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_bbbb(nBas,nBas,nBas,nBas)
! Local variables
logical :: dRPA = .false.
logical :: dRPA_W = .true.
integer :: ispin
integer :: isp_W
integer :: iAC
double precision :: lambda
double precision,allocatable :: Ec(:,:)
double precision,allocatable :: Aph(:,:)
double precision,allocatable :: Bph(:,:)
double precision,allocatable :: KA(:,:)
double precision,allocatable :: KB(:,:)
double precision :: EcRPA
double precision,allocatable :: OmRPA(:)
double precision,allocatable :: XpY_RPA(:,:)
@ -46,14 +52,10 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
double precision,allocatable :: rho_RPA(:,:,:,:)
integer :: nS_aa,nS_bb,nS_sc
double precision,allocatable :: Om_sc(:)
double precision,allocatable :: XpY_sc(:,:)
double precision,allocatable :: XmY_sc(:,:)
integer :: nS_ab,nS_ba,nS_sf
double precision,allocatable :: Om_sf(:)
double precision,allocatable :: XpY_sf(:,:)
double precision,allocatable :: XmY_sf(:,:)
double precision,allocatable :: Om(:)
double precision,allocatable :: XpY(:,:)
double precision,allocatable :: XmY(:,:)
! Output variables
@ -63,7 +65,6 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
allocate(Ec(nAC,nspin))
! Hello World
write(*,*) '-----------------------------------------------------------'
@ -109,18 +110,24 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
nS_sf = nS_ab + nS_ba
allocate(OmRPA(nS_sc),XpY_RPA(nS_sc,nS_sc),XmY_RPA(nS_sc,nS_sc),rho_RPA(nBas,nBas,nS_sc,nspin))
allocate(Aph(nS_sc,nS_sc),Bph(nS_sc,nS_sc),KA(nS_sc,nS_sc),KB(nS_sc,nS_sc))
call phULR(isp_W,.true.,TDA_W,.false.,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0,eW, &
ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call phULR_A(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,1d0,eW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR(TDA_W,nS_aa,nS_bb,nS_sc,Aph,Bph,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call UGW_excitation_density(nBas,nC,nO,nR,nS_aa,nS_bb,nS_sc,ERI_aaaa,ERI_aabb,ERI_bbbb,XpY_RPA,rho_RPA)
call UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0,OmRPA,rho_RPA,KA)
call UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0,OmRPA,rho_RPA,KB)
! Spin-conserved manifold
if(spin_conserved) then
ispin = 1
allocate(Om_sc(nS_sc),XpY_sc(nS_sc,nS_sc),XmY_sc(nS_sc,nS_sc))
allocate(Om(nS_sc),XpY(nS_sc,nS_sc),XmY(nS_sc,nS_sc))
write(*,*) '------------------------'
write(*,*) 'Spin-conserved manifold '
@ -137,17 +144,27 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
if(doXBS) then
call phULR(isp_W,.true.,TDA_W,.false.,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,eW, &
ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call phULR_A(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,lambda,eW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,lambda,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR(TDA_W,nS_aa,nS_bb,nS_sc,Aph,Bph,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call UGW_excitation_density(nBas,nC,nO,nR,nS_aa,nS_bb,nS_sc,ERI_aaaa,ERI_aabb,ERI_bbbb,XpY_RPA,rho_RPA)
call UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,OmRPA,rho_RPA,KA)
call UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,OmRPA,rho_RPA,KB)
end if
call phULR(ispin,dRPA,TDA,BSE,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,e, &
ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcAC(ispin),Om_sc,XpY_sc,XmY_sc)
call phULR_A(isp_W,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,lambda,eW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(isp_W,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,lambda,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
Aph(:,:) = Aph(:,:) + KA(:,:)
if(.not.TDA) Bph(:,:) = Bph(:,:) + KB(:,:)
call phULR(TDA_W,nS_aa,nS_bb,nS_sc,Aph,Bph,EcAC(ispin),OmRPA,XpY_RPA,XmY_RPA)
call phUACFDT_correlation_energy(ispin,exchange_kernel,nBas,nC,nO,nV,nR,nS,nS_aa,nS_bb,nS_sc, &
ERI_aaaa,ERI_aabb,ERI_bbbb,XpY_sc,XmY_sc,Ec(iAC,ispin))
ERI_aaaa,ERI_aabb,ERI_bbbb,XpY,XmY,Ec(iAC,ispin))
write(*,'(2X,F15.6,1X,F30.15,1X,F30.15)') lambda,EcAC(ispin),Ec(iAC,ispin)
@ -162,7 +179,7 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
write(*,*) '-----------------------------------------------------------------------------------'
write(*,*)
deallocate(Om_sc,XpY_sc,XmY_sc)
deallocate(Om,XpY,XmY)
end if
@ -174,7 +191,7 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
! Memory allocation
allocate(Om_sf(nS_sf),XpY_sf(nS_sf,nS_sf),XmY_sf(nS_sf,nS_sf))
allocate(Om(nS_sf),XpY(nS_sf,nS_sf),XmY(nS_sf,nS_sf))
write(*,*) '--------------------'
write(*,*) ' Spin-flip manifold '
@ -191,17 +208,27 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
if(doXBS) then
call phULR(isp_W,.true.,TDA_W,.false.,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,eW, &
ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call phULR_A(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,lambda,eW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,lambda,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR(TDA_W,nS_aa,nS_bb,nS_sc,Aph,Bph,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call UGW_excitation_density(nBas,nC,nO,nR,nS_aa,nS_bb,nS_sc,ERI_aaaa,ERI_aabb,ERI_bbbb,XpY_RPA,rho_RPA)
call UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,OmRPA,rho_RPA,KA)
call UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,lambda,OmRPA,rho_RPA,KB)
end if
call phULR(ispin,dRPA,TDA,BSE,nBas,nC,nO,nV,nR,nS_ab,nS_ba,nS_sf,nS_sc,lambda,e, &
ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcAC(ispin),Om_sf,XpY_sf,XmY_sf)
call phULR_A(isp_W,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sf,lambda,eW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(isp_W,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sf,lambda,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
Aph(:,:) = Aph(:,:) + KA(:,:)
if(.not.TDA) Bph(:,:) = Bph(:,:) + KB(:,:)
call phULR(TDA_W,nS_aa,nS_bb,nS_sf,Aph,Bph,EcAC(ispin),OmRPA,XpY_RPA,XmY_RPA)
call phUACFDT_correlation_energy(ispin,exchange_kernel,nBas,nC,nO,nV,nR,nS,nS_ab,nS_ba,nS_sf, &
ERI_aaaa,ERI_aabb,ERI_bbbb,XpY_sf,XmY_sf,Ec(iAC,ispin))
ERI_aaaa,ERI_aabb,ERI_bbbb,XpY,XmY,Ec(iAC,ispin))
write(*,'(2X,F15.6,1X,F30.15,1X,F30.15)') lambda,EcAC(ispin),Ec(iAC,ispin)
@ -216,7 +243,7 @@ subroutine UGW_phACFDT(exchange_kernel,doXBS,dRPA,TDA_W,TDA,BSE,spin_conserved,s
write(*,*) '-----------------------------------------------------------------------------------'
write(*,*)
deallocate(Om_sf,XpY_sf,XmY_sf)
deallocate(Om,XpY,XmY)
end if

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@ -37,22 +37,25 @@ subroutine UGW_phBSE(exchange_kernel,TDA_W,TDA,dBSE,dTDA,spin_conserved,spin_fli
integer :: ispin
integer :: isp_W
logical :: dRPA = .false.
logical :: dRPA_W = .true.
double precision,allocatable :: Aph(:,:)
double precision,allocatable :: Bph(:,:)
double precision,allocatable :: KA(:,:)
double precision,allocatable :: KB(:,:)
integer :: nS_aa,nS_bb,nS_sc
double precision :: EcRPA
double precision,allocatable :: OmRPA(:)
double precision,allocatable :: XpY_RPA(:,:)
double precision,allocatable :: XmY_RPA(:,:)
double precision,allocatable :: rho_RPA(:,:,:,:)
double precision,allocatable :: OmBSE_sc(:)
double precision,allocatable :: XpY_BSE_sc(:,:)
double precision,allocatable :: XmY_BSE_sc(:,:)
integer :: nS_aa,nS_bb,nS_sc
integer :: nS_ab,nS_ba,nS_sf
double precision,allocatable :: OmBSE_sf(:)
double precision,allocatable :: XpY_BSE_sf(:,:)
double precision,allocatable :: XmY_BSE_sf(:,:)
double precision,allocatable :: OmBSE(:)
double precision,allocatable :: XpY_BSE(:,:)
double precision,allocatable :: XmY_BSE(:,:)
! Output variables
@ -68,31 +71,35 @@ subroutine UGW_phBSE(exchange_kernel,TDA_W,TDA,dBSE,dTDA,spin_conserved,spin_fli
nS_ba = (nO(2) - nC(2))*(nV(1) - nR(1))
nS_sf = nS_ab + nS_ba
allocate(OmRPA(nS_sc),XpY_RPA(nS_sc,nS_sc),XmY_RPA(nS_sc,nS_sc),rho_RPA(nBas,nBas,nS_sc,nspin))
!-----!
! TDA !
!-----!
! TDA
if(TDA) then
write(*,*) 'Tamm-Dancoff approximation activated in phBSE!'
write(*,*)
end if
! Initialization
EcBSE(:) = 0d0
!--------------------------!
! Spin-conserved screening !
!--------------------------!
isp_W = 1
EcRPA = 0d0
! Compute spin-conserved RPA screening
call phULR(isp_W,.true.,TDA_W,.false.,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0, &
eW,ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
allocate(Aph(nS_sc,nS_sc),Bph(nS_sc,nS_sc))
allocate(OmRPA(nS_sc),XpY_RPA(nS_sc,nS_sc),XmY_RPA(nS_sc,nS_sc),rho_RPA(nBas,nBas,nS_sc,nspin))
call phULR_A(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,1d0,eW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA_W) call phULR_B(isp_W,dRPA_W,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call phULR(TDA_W,nS_aa,nS_bb,nS_sc,Aph,Bph,EcRPA,OmRPA,XpY_RPA,XmY_RPA)
call UGW_excitation_density(nBas,nC,nO,nR,nS_aa,nS_bb,nS_sc,ERI_aaaa,ERI_aabb,ERI_bbbb,XpY_RPA,rho_RPA)
deallocate(Aph,Bph)
!----------------------------!
! Spin-conserved excitations !
@ -101,17 +108,26 @@ subroutine UGW_phBSE(exchange_kernel,TDA_W,TDA,dBSE,dTDA,spin_conserved,spin_fli
if(spin_conserved) then
ispin = 1
EcBSE(ispin) = 0d0
allocate(OmBSE_sc(nS_sc),XpY_BSE_sc(nS_sc,nS_sc),XmY_BSE_sc(nS_sc,nS_sc))
allocate(Aph(nS_sc,nS_sc),Bph(nS_sc,nS_sc),KA(nS_sc,nS_sc),KB(nS_sc,nS_sc))
allocate(OmBSE(nS_sc),XpY_BSE(nS_sc,nS_sc),XmY_BSE(nS_sc,nS_sc))
! Compute spin-conserved BSE excitation energies
call phULR(ispin,.true.,TDA,.true.,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,EcBSE(ispin),OmBSE_sc,XpY_BSE_sc,XmY_BSE_sc)
call print_excitation_energies('phBSE@GW@UHF','spin-conserved',nS_sc,OmBSE_sc)
call phULR_A(ispin,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,1d0,eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(ispin,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
call UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0,OmRPA,rho_RPA,KA)
if(.not.TDA) call UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sc,1d0,OmRPA,rho_RPA,KB)
Aph(:,:) = Aph(:,:) + KA(:,:)
! if(.not.TDA) Bph(:,:) = Bph(:,:) + KB(:,:)
call phULR(TDA,nS_aa,nS_bb,nS_sc,Aph,Bph,EcBSE(ispin),OmBSE,XpY_BSE,XmY_BSE)
call print_excitation_energies('phBSE@GW@UHF','spin-conserved',nS_sc,OmBSE)
call phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nS_aa,nS_bb,nS_sc,dipole_int_aa,dipole_int_bb, &
cW,S,OmBSE_sc,XpY_BSE_sc,XmY_BSE_sc)
cW,S,OmBSE,XpY_BSE,XmY_BSE)
!-------------------------------------------------
! Compute the dynamical screening at the BSE level
@ -120,9 +136,10 @@ subroutine UGW_phBSE(exchange_kernel,TDA_W,TDA,dBSE,dTDA,spin_conserved,spin_fli
if(dBSE) &
call UGW_phBSE_dynamic_perturbation(ispin,dTDA,eta,nBas,nC,nO,nV,nR,nS,nS_aa,nS_bb,nS_sc,nS_sc, &
eW,eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,dipole_int_aa,dipole_int_bb, &
OmRPA,rho_RPA,OmBSE_sc,XpY_BSE_sc,XmY_BSE_sc)
OmRPA,rho_RPA,OmBSE,XpY_BSE,XmY_BSE)
deallocate(OmBSE_sc,XpY_BSE_sc,XmY_BSE_sc)
deallocate(Aph,Bph,KA,KB)
deallocate(OmBSE,XpY_BSE,XmY_BSE)
end if
@ -133,21 +150,25 @@ subroutine UGW_phBSE(exchange_kernel,TDA_W,TDA,dBSE,dTDA,spin_conserved,spin_fli
if(spin_flip) then
ispin = 2
EcBSE(ispin) = 0d0
! Memory allocation
allocate(Aph(nS_sf,nS_sf),Bph(nS_sf,nS_sf),KA(nS_sf,nS_sf),KB(nS_sf,nS_sf))
allocate(OmBSE(nS_sf),XpY_BSE(nS_sf,nS_sf),XmY_BSE(nS_sf,nS_sf))
allocate(OmBSE_sf(nS_sf),XpY_BSE_sf(nS_sf,nS_sf),XmY_BSE_sf(nS_sf,nS_sf))
! Compute spin-conserved BSE excitation energies
call phULR_A(ispin,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sf,1d0,eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,Aph)
if(.not.TDA) call phULR_B(ispin,dRPA,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sf,1d0,ERI_aaaa,ERI_aabb,ERI_bbbb,Bph)
! Compute spin-flip BSE excitation energies
call UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sf,1d0,OmRPA,rho_RPA,KA)
if(.not.TDA) call UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nS_aa,nS_bb,nS_sc,nS_sf,1d0,OmRPA,rho_RPA,KB)
call phULR(ispin,.true.,TDA,.true.,eta,nBas,nC,nO,nV,nR,nS_ab,nS_ba,nS_sf,nS_sc,1d0, &
eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,OmRPA,rho_RPA,EcBSE(ispin), &
OmBSE_sf,XpY_BSE_sf,XmY_BSE_sf)
Aph(:,:) = Aph(:,:) + KA(:,:)
if(.not.TDA) Bph(:,:) = Bph(:,:) + KB(:,:)
call print_excitation_energies('phBSE@GW@UHF','spin-flip',nS_sf,OmBSE_sf)
call phULR(TDA,nS_aa,nS_bb,nS_sc,Aph,Bph,EcBSE(ispin),OmBSE,XpY_BSE,XmY_BSE)
call print_excitation_energies('phBSE@GW@UHF','spin-flip',nS_sf,OmBSE)
call phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nS_ab,nS_ba,nS_sf,dipole_int_aa,dipole_int_bb, &
cW,S,OmBSE_sf,XpY_BSE_sf,XmY_BSE_sf)
cW,S,OmBSE,XpY_BSE,XmY_BSE)
!-------------------------------------------------
! Compute the dynamical screening at the BSE level
@ -156,19 +177,18 @@ subroutine UGW_phBSE(exchange_kernel,TDA_W,TDA,dBSE,dTDA,spin_conserved,spin_fli
if(dBSE) &
call UGW_phBSE_dynamic_perturbation(ispin,dTDA,eta,nBas,nC,nO,nV,nR,nS,nS_ab,nS_ba,nS_sf,nS_sc, &
eW,eGW,ERI_aaaa,ERI_aabb,ERI_bbbb,dipole_int_aa,dipole_int_bb, &
OmRPA,rho_RPA,OmBSE_sf,XpY_BSE_sf,XmY_BSE_sf)
OmRPA,rho_RPA,OmBSE,XpY_BSE,XmY_BSE)
deallocate(OmBSE_sf,XpY_BSE_sf,XmY_BSE_sf)
deallocate(Aph,Bph,KA,KB)
deallocate(OmBSE,XpY_BSE,XmY_BSE)
end if
! Scale properly correlation energy if exchange is included in interaction kernel
if(exchange_kernel) then
EcBSE(1) = 0.5d0*EcBSE(1)
EcBSE(2) = 0.5d0*EcBSE(2)
EcBSE(:) = 0.5d0*EcBSE(:)
else

View File

@ -1,5 +1,4 @@
subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_sc,lambda,eGW, &
ERI_aaaa,ERI_aabb,ERI_bbbb,Omega,rho,A_lr)
subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_sc,lambda,Om,rho,KA)
! Compute the extra term for Bethe-Salpeter equation for linear response in the unrestricted formalism
@ -20,11 +19,7 @@ subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
integer,intent(in) :: nS_sc
double precision,intent(in) :: eta
double precision,intent(in) :: lambda
double precision,intent(in) :: eGW(nBas,nspin)
double precision,intent(in) :: ERI_aaaa(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_aabb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_bbbb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: Omega(nS_sc)
double precision,intent(in) :: Om(nS_sc)
double precision,intent(in) :: rho(nBas,nBas,nS_sc,nspin)
! Local variables
@ -35,7 +30,7 @@ subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
! Output variables
double precision,intent(out) :: A_lr(nSt,nSt)
double precision,intent(out) :: KA(nSt,nSt)
!--------------------------------------------------!
! Build BSE matrix for spin-conserving transitions !
@ -56,11 +51,11 @@ subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,j,kc,1)*rho(a,b,kc,1)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,j,kc,1)*rho(a,b,kc,1)*Om(kc)/eps
end do
A_lr(ia,jb) = A_lr(ia,jb) - lambda*ERI_aaaa(i,b,j,a) + 2d0*lambda*chi
KA(ia,jb) = KA(ia,jb) + 2d0*lambda*chi
end do
end do
@ -80,11 +75,11 @@ subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,j,kc,2)*rho(a,b,kc,2)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,j,kc,2)*rho(a,b,kc,2)*Om(kc)/eps
end do
A_lr(nSa+ia,nSa+jb) = A_lr(nSa+ia,nSa+jb) - lambda*ERI_bbbb(i,b,j,a) + 2d0*lambda*chi
KA(nSa+ia,nSa+jb) = KA(nSa+ia,nSa+jb) + 2d0*lambda*chi
end do
end do
@ -112,11 +107,11 @@ subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,j,kc,1)*rho(a,b,kc,2)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,j,kc,1)*rho(a,b,kc,2)*Om(kc)/eps
end do
A_lr(ia,jb) = A_lr(ia,jb) - lambda*ERI_aabb(i,b,j,a) + 2d0*lambda*chi
KA(ia,jb) = KA(ia,jb) + 2d0*lambda*chi
end do
end do
@ -136,11 +131,11 @@ subroutine UGW_phBSE_static_kernel_A(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,j,kc,2)*rho(a,b,kc,1)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,j,kc,2)*rho(a,b,kc,1)*Om(kc)/eps
end do
A_lr(nSa+ia,nSa+jb) = A_lr(nSa+ia,nSa+jb) - lambda*ERI_aabb(b,i,a,j) + 2d0*lambda*chi
KA(nSa+ia,nSa+jb) = KA(nSa+ia,nSa+jb) + 2d0*lambda*chi
end do
end do

View File

@ -1,5 +1,4 @@
subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_sc,lambda, &
ERI_aaaa,ERI_aabb,ERI_bbbb,Omega,rho,B_lr)
subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_sc,lambda,Om,rho,KB)
! Compute the extra term for Bethe-Salpeter equation for linear response
@ -20,10 +19,7 @@ subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
integer,intent(in) :: nS_sc
double precision,intent(in) :: eta
double precision,intent(in) :: lambda
double precision,intent(in) :: ERI_aaaa(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_aabb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: ERI_bbbb(nBas,nBas,nBas,nBas)
double precision,intent(in) :: Omega(nS_sc)
double precision,intent(in) :: Om(nS_sc)
double precision,intent(in) :: rho(nBas,nBas,nS_sc,nspin)
! Local variables
@ -34,7 +30,7 @@ subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
! Output variables
double precision,intent(out) :: B_lr(nSt,nSt)
double precision,intent(out) :: KB(nSt,nSt)
!--------------------------------------------------!
! Build BSE matrix for spin-conserving transitions !
@ -55,11 +51,11 @@ subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,b,kc,1)*rho(a,j,kc,1)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,b,kc,1)*rho(a,j,kc,1)*Om(kc)/eps
end do
B_lr(ia,jb) = B_lr(ia,jb) - lambda*ERI_aaaa(i,j,b,a) + 2d0*lambda*chi
KB(ia,jb) = KB(ia,jb) + 2d0*lambda*chi
end do
end do
@ -80,11 +76,11 @@ subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,b,kc,2)*rho(a,j,kc,2)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,b,kc,2)*rho(a,j,kc,2)*Om(kc)/eps
end do
B_lr(nSa+ia,nSa+jb) = B_lr(nSa+ia,nSa+jb) - lambda*ERI_bbbb(i,j,b,a) + 2d0*lambda*chi
KB(nSa+ia,nSa+jb) = KB(nSa+ia,nSa+jb) + 2d0*lambda*chi
end do
end do
@ -113,11 +109,11 @@ subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,b,kc,1)*rho(a,j,kc,2)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,b,kc,1)*rho(a,j,kc,2)*Om(kc)/eps
end do
B_lr(ia,nSa+jb) = B_lr(ia,nSa+jb) - lambda*ERI_aabb(i,j,b,a) + 2d0*lambda*chi
KB(ia,nSa+jb) = KB(ia,nSa+jb) + 2d0*lambda*chi
end do
end do
@ -137,11 +133,11 @@ subroutine UGW_phBSE_static_kernel_B(ispin,eta,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_s
chi = 0d0
do kc=1,nS_sc
eps = Omega(kc)**2 + eta**2
chi = chi + rho(i,b,kc,2)*rho(a,j,kc,1)*Omega(kc)/eps
eps = Om(kc)**2 + eta**2
chi = chi + rho(i,b,kc,2)*rho(a,j,kc,1)*Om(kc)/eps
end do
B_lr(nSa+ia,jb) = B_lr(nSa+ia,jb) - lambda*ERI_aabb(j,i,a,b) + 2d0*lambda*chi
KB(nSa+ia,jb) = KB(nSa+ia,jb) + 2d0*lambda*chi
end do
end do

View File

@ -34,12 +34,6 @@ subroutine phULR(TDA,nSa,nSb,nSt,Aph,Bph,EcRPA,Om,XpY,XmY)
allocate(ApB(nSt,nSt),AmB(nSt,nSt),AmBSq(nSt,nSt),AmBIv(nSt,nSt),Z(nSt,nSt))
! Build A and B matrices
! if(BSE) &
! call UGW_phBSE_static_kernel_A(ispin,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_sc,lambda,e, &
! ERI_aaaa,ERI_aabb,ERI_bbbb,Om,rho,Aph)
! Tamm-Dancoff approximation
if(TDA) then
@ -51,10 +45,6 @@ subroutine phULR(TDA,nSa,nSb,nSt,Aph,Bph,EcRPA,Om,XpY,XmY)
else
! if(BSE) &
! call UGW_phBSE_static_kernel_B(ispin,nBas,nC,nO,nV,nR,nSa,nSb,nSt,nS_sc,lambda, &
! ERI_aaaa,ERI_aabb,ERI_bbbb,Om,rho,Bph)
ApB(:,:) = Aph(:,:) + Bph(:,:)
AmB(:,:) = Aph(:,:) - Bph(:,:)

View File

@ -1,4 +1,4 @@
subroutine phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,dipole_int_aa,dipole_int_bb,c,S,Omega,XpY,XmY)
subroutine phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,dipole_int_aa,dipole_int_bb,c,S,Om,XpY,XmY)
! Print transition vectors for linear response calculation
@ -21,14 +21,14 @@ subroutine phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,dipole
double precision :: dipole_int_bb(nBas,nBas,ncart)
double precision,intent(in) :: c(nBas,nBas,nspin)
double precision,intent(in) :: S(nBas,nBas)
double precision,intent(in) :: Omega(nSt)
double precision,intent(in) :: Om(nSt)
double precision,intent(in) :: XpY(nSt,nSt)
double precision,intent(in) :: XmY(nSt,nSt)
! Local variables
integer :: ia,jb,j,b
integer :: maxS = 20
integer :: maxS = 10
double precision,parameter :: thres_vec = 0.1d0
double precision,allocatable :: X(:)
double precision,allocatable :: Y(:)
@ -44,11 +44,11 @@ subroutine phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,dipole
os(:) = 0d0
if(ispin == 1) call phULR_oscillator_strength(nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,maxS, &
dipole_int_aa,dipole_int_bb,Omega,XpY,XmY,os)
dipole_int_aa,dipole_int_bb,Om,XpY,XmY,os)
! Compute <S**2>
call S2_expval(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,maxS,c,S,Omega,XpY,XmY,S2)
call S2_expval(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,maxS,c,S,Om,XpY,XmY,S2)
! Print details about spin-conserved excitations
@ -61,7 +61,7 @@ subroutine phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,dipole
print*,'-------------------------------------------------------------'
write(*,'(A15,I3,A2,F10.6,A3,A6,F6.4,A11,F6.4)') &
' Excitation n. ',ia,': ',Omega(ia)*HaToeV,' eV',' f = ',os(ia),' <S**2> = ',S2(ia)
' Excitation n. ',ia,': ',Om(ia)*HaToeV,' eV',' f = ',os(ia),' <S**2> = ',S2(ia)
print*,'-------------------------------------------------------------'
! Spin-up transitions
@ -117,7 +117,7 @@ subroutine phULR_transition_vectors(ispin,nBas,nC,nO,nV,nR,nS,nSa,nSb,nSt,dipole
print*,'-------------------------------------------------------------'
write(*,'(A15,I3,A2,F10.6,A3,A6,F6.4,A11,F6.4)') &
' Excitation n. ',ia,': ',Omega(ia)*HaToeV,' eV',' f = ',os(ia),' <S**2> = ',S2(ia)
' Excitation n. ',ia,': ',Om(ia)*HaToeV,' eV',' f = ',os(ia),' <S**2> = ',S2(ia)
print*,'-------------------------------------------------------------'
! Spin-up transitions

View File

@ -14,7 +14,7 @@ subroutine print_excitation_energies(method,manifold,nS,Om)
! Local variables
integer,parameter :: maxS = 20
integer,parameter :: maxS = 10
integer :: m
write(*,*)