mirror of
https://github.com/pfloos/quack
synced 2024-12-22 12:23:42 +01:00
ufG0W0
This commit is contained in:
Pierre-Francois Loos
parent
23c7dfdf08
commit
16431bcd33
@ -13,9 +13,9 @@
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# G0F2* evGF2* qsGF2* G0F3 evGF3
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F F F F F
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# G0W0* evGW* qsGW* ufG0W0 ufGW
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F F F F F
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F F F T F
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# G0T0 evGT qsGT
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T F F
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F F F
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# MCMP2
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F
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# * unrestricted version available
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@ -1,4 +1,4 @@
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2
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H 0. 0. 0.
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H 0. 0. 0.7
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H 0. 0. 1.500000
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@ -131,6 +131,25 @@ subroutine Bethe_Salpeter_Tmatrix(TDA_T,TDA,dBSE,dTDA,evDyn,singlet,triplet,eta,
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call print_transition_vectors(.true.,nBas,nC,nO,nV,nR,nS,dipole_int, &
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OmBSE(:,ispin),XpY_BSE(:,:,ispin),XmY_BSE(:,:,ispin))
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if(dBSE) then
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! Compute dynamic correction for BSE via perturbation theory (iterative or renormalized)
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if(evDyn) then
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print*, ' Iterative dynamical correction for BSE@GT NYI'
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! call Bethe_Salpeter_dynamic_perturbation_iterative(dTDA,eta,nBas,nC,nO,nV,nR,nS,eGW,dipole_int,OmRPA,rho_RPA, &
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! OmBSE(:,ispin),XpY_BSE(:,:,ispin),XmY_BSE(:,:,ispin))
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else
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call Bethe_Salpeter_Tmatrix_dynamic_perturbation(ispin,dTDA,eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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Omega1s,Omega2s,Omega1t,Omega2t,rho1s,rho2s,rho1t,rho2t,eT,eGT, &
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dipole_int,OmBSE(:,ispin),XpY_BSE(:,:,ispin),XmY_BSE(:,:,ispin), &
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TAs,TBs,TAt,TBt)
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end if
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end if
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end if
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!------------------!
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@ -150,12 +169,6 @@ subroutine Bethe_Salpeter_Tmatrix(TDA_T,TDA,dBSE,dTDA,evDyn,singlet,triplet,eta,
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call print_transition_vectors(.false.,nBas,nC,nO,nV,nR,nS,dipole_int, &
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OmBSE(:,ispin),XpY_BSE(:,:,ispin),XmY_BSE(:,:,ispin))
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end if
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!--------------------------------------------------!
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! Compute the dynamical screening at the BSE level !
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!--------------------------------------------------!
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if(dBSE) then
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! Compute dynamic correction for BSE via perturbation theory (iterative or renormalized)
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@ -167,9 +180,12 @@ subroutine Bethe_Salpeter_Tmatrix(TDA_T,TDA,dBSE,dTDA,evDyn,singlet,triplet,eta,
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! OmBSE(:,ispin),XpY_BSE(:,:,ispin),XmY_BSE(:,:,ispin))
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else
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call Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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call Bethe_Salpeter_Tmatrix_dynamic_perturbation(ispin,dTDA,eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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Omega1s,Omega2s,Omega1t,Omega2t,rho1s,rho2s,rho1t,rho2t,eT,eGT, &
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dipole_int,OmBSE,XpY_BSE,XmY_BSE,TAs,TBs,TAt,TBt)
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dipole_int,OmBSE(:,ispin),XpY_BSE(:,:,ispin),XmY_BSE(:,:,ispin), &
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TAs,TBs,TAt,TBt)
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end if
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end if
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end if
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@ -1,4 +1,4 @@
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subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(ispin,dTDA,eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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Omega1s,Omega2s,Omega1t,Omega2t,rho1s,rho2s,rho1t,rho2t,eT,eGT, &
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dipole_int,OmBSE,XpY,XmY,TAs,TBs,TAt,TBt)
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@ -9,8 +9,7 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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! Input variables
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logical,intent(in) :: singlet
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logical,intent(in) :: triplet
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integer,intent(in) :: ispin
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logical,intent(in) :: dTDA
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double precision,intent(in) :: eta
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integer,intent(in) :: nBas
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@ -28,9 +27,9 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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double precision,intent(in) :: eT(nBas)
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double precision,intent(in) :: eGT(nBas)
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double precision,intent(in) :: dipole_int(nBas,nBas,ncart)
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double precision,intent(in) :: OmBSE(nS,nspin)
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double precision,intent(in) :: XpY(nS,nS,nspin)
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double precision,intent(in) :: XmY(nS,nS,nspin)
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double precision,intent(in) :: OmBSE(nS)
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double precision,intent(in) :: XpY(nS,nS)
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double precision,intent(in) :: XmY(nS,nS)
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double precision,intent(in) :: Omega1s(nVVs)
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double precision,intent(in) :: Omega2s(nOOs)
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@ -49,13 +48,12 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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! Local variables
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integer :: ia
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integer :: ispin
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integer :: maxS = 10
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double precision :: gapGT
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double precision,allocatable :: OmDyn(:,:)
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double precision,allocatable :: ZDyn(:,:)
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double precision,allocatable :: OmDyn(:)
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double precision,allocatable :: ZDyn(:)
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double precision,allocatable :: X(:)
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double precision,allocatable :: Y(:)
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@ -68,7 +66,7 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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! Memory allocation
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maxS = min(nS,maxS)
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allocate(OmDyn(maxS,nspin),ZDyn(maxS,nspin),X(nS),Y(nS),dTAs(nS,nS),ZAs(nS,nS),dTAt(nS,nS),ZAt(nS,nS))
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allocate(OmDyn(maxS),ZDyn(maxS),X(nS),Y(nS),dTAs(nS,nS),ZAs(nS,nS),dTAt(nS,nS),ZAt(nS,nS))
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if(dTDA) then
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write(*,*)
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@ -79,42 +77,36 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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return
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end if
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OmDyn(:,:) = 0d0
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ZDyn(:,:) = 0d0
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OmDyn(:) = 0d0
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ZDyn(:) = 0d0
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do ia=1,maxS
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! Compute dynamical T-matrix for alpha-beta block !
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! Compute dynamical T-matrix for alpha-beta block
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ispin = 1
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call dynamic_Tmatrix_A(eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,1d0,eGT,Omega1s,Omega2s,rho1s,rho2s,OmBSE(ia,ispin),dTAs,ZAs)
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call dynamic_Tmatrix_A(eta,nBas,nC,nO,nV,nR,nS,nOOs,nVVs,1d0,eGT,Omega1s,Omega2s,rho1s,rho2s,OmBSE(ia),dTAs,ZAs)
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! Compute dynamical T-matrix for alpha-beta block !
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! Compute dynamical T-matrix for alpha-beta block
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ispin = 2
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call dynamic_Tmatrix_A(eta,nBas,nC,nO,nV,nR,nS,nOOt,nVVt,1d0,eGT,Omega1t,Omega2t,rho1t,rho2t,OmBSE(ia,ispin),dTAt,ZAt)
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call dynamic_Tmatrix_A(eta,nBas,nC,nO,nV,nR,nS,nOOt,nVVt,1d0,eGT,Omega1t,Omega2t,rho1t,rho2t,OmBSE(ia),dTAt,ZAt)
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do ispin=1,nspin
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X(:) = 0.5d0*(XpY(ia,:,ispin) + XmY(ia,:,ispin))
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Y(:) = 0.5d0*(XpY(ia,:,ispin) - XmY(ia,:,ispin))
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X(:) = 0.5d0*(XpY(ia,:) + XmY(ia,:))
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Y(:) = 0.5d0*(XpY(ia,:) - XmY(ia,:))
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! First-order correction
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if(ispin == 1) then
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ZDyn(ia,ispin) = dot_product(X,matmul(ZAt+ZAs,X))
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OmDyn(ia,ispin) = dot_product(X,matmul(dTAt+dTAs,X)) - dot_product(X,matmul(TAt+TAs,X))
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ZDyn(ia) = dot_product(X,matmul(ZAt+ZAs,X))
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OmDyn(ia) = dot_product(X,matmul(dTAt+dTAs,X)) - dot_product(X,matmul(TAt+TAs,X))
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end if
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if(ispin == 2) then
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ZDyn(ia,ispin) = dot_product(X,matmul(ZAt-ZAs,X))
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OmDyn(ia,ispin) = dot_product(X,matmul(dTAt-dTAs,X)) - dot_product(X,matmul(TAt-TAs,X))
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ZDyn(ia) = dot_product(X,matmul(ZAt-ZAs,X))
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OmDyn(ia) = dot_product(X,matmul(dTAt-dTAs,X)) - dot_product(X,matmul(TAt-TAs,X))
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end if
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ZDyn(ia,ispin) = 1d0/(1d0 - ZDyn(ia,ispin))
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OmDyn(ia,ispin) = ZDyn(ia,ispin)*OmDyn(ia,ispin)
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end do
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ZDyn(ia) = 1d0/(1d0 - ZDyn(ia))
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OmDyn(ia) = ZDyn(ia)*OmDyn(ia)
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end do
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@ -124,12 +116,8 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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gapGT = eGT(nO+1) - eGT(nO)
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if(singlet) then
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ispin = 1
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,*) ' First-order dynamical correction to static singlet Bethe-Salpeter excitation energies '
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write(*,*) ' First-order dynamical correction to static Bethe-Salpeter excitation energies '
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,'(A57,F10.6,A3)') ' BSE neutral excitation must be lower than the GT gap = ',gapGT*HaToeV,' eV'
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write(*,*) '---------------------------------------------------------------------------------------------------'
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@ -138,34 +126,10 @@ subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation(singlet,triplet,dTDA,eta,
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do ia=1,maxS
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write(*,'(2X,I5,5X,F15.6,5X,F15.6,5X,F15.6,5X,F15.6)') &
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ia,OmBSE(ia,ispin)*HaToeV,(OmBSE(ia,ispin)+OmDyn(ia,ispin))*HaToeV,OmDyn(ia,ispin)*HaToeV,ZDyn(ia,ispin)
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ia,OmBSE(ia)*HaToeV,(OmBSE(ia)+OmDyn(ia))*HaToeV,OmDyn(ia)*HaToeV,ZDyn(ia)
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end do
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,*)
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end if
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if(triplet) then
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ispin = 2
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,*) ' First-order dynamical correction to static triplet Bethe-Salpeter excitation energies '
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,'(A57,F10.6,A3)') ' BSE neutral excitation must be lower than the GT gap = ',gapGT*HaToeV,' eV'
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,'(2X,A5,1X,A20,1X,A20,1X,A20,1X,A20)') '#','Static (eV)','Dynamic (eV)','Correction (eV)','Renorm. (eV)'
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write(*,*) '---------------------------------------------------------------------------------------------------'
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do ia=1,maxS
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write(*,'(2X,I5,5X,F15.6,5X,F15.6,5X,F15.6,5X,F15.6)') &
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ia,OmBSE(ia,ispin)*HaToeV,(OmBSE(ia,ispin)+OmDyn(ia,ispin))*HaToeV,OmDyn(ia,ispin)*HaToeV,ZDyn(ia,ispin)
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end do
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write(*,*) '---------------------------------------------------------------------------------------------------'
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write(*,*)
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end if
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end subroutine Bethe_Salpeter_Tmatrix_dynamic_perturbation
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@ -75,10 +75,10 @@ subroutine G0T0(doACFDT,exchange_kernel,doXBS,BSE,TDA_T,TDA,dBSE,dTDA,evDyn,sing
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! Dimensions of the pp-RPA linear reponse matrices
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! nOOs = nO*(nO + 1)/2
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! nVVs = nV*(nV + 1)/2
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nOOs = nO*nO
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nVVs = nV*nV
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! nOOs = nO*(nO + 1)/2
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! nVVs = nV*(nV + 1)/2
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nOOt = nO*(nO - 1)/2
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nVVt = nV*(nV - 1)/2
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@ -98,8 +98,8 @@ subroutine G0T0(doACFDT,exchange_kernel,doXBS,BSE,TDA_T,TDA,dBSE,dTDA,evDyn,sing
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!----------------------------------------------
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ispin = 1
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! iblock = 1
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iblock = 3
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! iblock = 1
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! Compute linear response
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@ -137,8 +137,8 @@ subroutine G0T0(doACFDT,exchange_kernel,doXBS,BSE,TDA_T,TDA,dBSE,dTDA,evDyn,sing
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SigT(:) = 0d0
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Z(:) = 0d0
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! iblock = 1
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iblock = 3
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! iblock = 1
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call excitation_density_Tmatrix(iblock,nBas,nC,nO,nV,nR,nOOs,nVVs,ERI_MO,X1s,Y1s,rho1s,X2s,Y2s,rho2s)
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@ -59,12 +59,12 @@ subroutine dynamic_Tmatrix_A(eta,nBas,nC,nO,nV,nR,nS,nOO,nVV,lambda,eGT,Omega1,O
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do cd=1,nVV
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eps = + OmBSE - Omega1(cd) + (eGT(i) + eGT(j))
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chi = chi + rho1(i,b,cd)*rho1(j,a,cd)*eps/(eps**2 + eta**2)
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chi = chi + rho1(i,b,cd)*rho1(a,j,cd)*eps/(eps**2 + eta**2)
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end do
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do kl=1,nOO
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eps = + OmBSE + Omega2(kl) - (eGT(a) + eGT(b))
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chi = chi + rho2(i,b,kl)*rho2(j,a,kl)*eps/(eps**2 + eta**2)
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chi = chi + rho2(i,b,kl)*rho2(a,j,kl)*eps/(eps**2 + eta**2)
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end do
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TA(ia,jb) = TA(ia,jb) + lambda*chi
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@ -73,12 +73,12 @@ subroutine dynamic_Tmatrix_A(eta,nBas,nC,nO,nV,nR,nS,nOO,nVV,lambda,eGT,Omega1,O
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do cd=1,nVV
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eps = + OmBSE - Omega1(cd) + (eGT(i) + eGT(j))
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chi = chi + rho1(i,b,cd)*rho1(j,a,cd)*(eps**2 - eta**2)/(eps**2 + eta**2)**2
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chi = chi + rho1(i,b,cd)*rho1(a,j,cd)*(eps**2 - eta**2)/(eps**2 + eta**2)**2
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end do
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do kl=1,nOO
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eps = + OmBSE + Omega2(kl) - (eGT(a) + eGT(b))
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chi = chi + rho2(i,b,kl)*rho2(j,a,kl)*(eps**2 - eta**2)/(eps**2 + eta**2)**2
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chi = chi + rho2(i,b,kl)*rho2(a,j,kl)*(eps**2 - eta**2)/(eps**2 + eta**2)**2
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end do
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ZA(ia,jb) = ZA(ia,jb) - lambda*chi
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@ -55,22 +55,24 @@ subroutine excitation_density_Tmatrix(ispin,nBas,nC,nO,nV,nR,nOO,nVV,ERI,X1,Y1,r
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cd = 0
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do c=nO+1,nBas-nR
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! do d=nO+1,c
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do d=c,nBas-nR
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cd = cd + 1
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rho1(p,q,ab) = rho1(p,q,ab) &
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+ ERI(p,q,c,d)*X1(cd,ab)
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! + ERI(p,q,c,d)*X1(cd,ab)/sqrt((1d0 + Kronecker_delta(a,b))*(1d0 + Kronecker_delta(c,d)))
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+ (1d0*ERI(p,q,c,d) + 0d0*ERI(p,q,d,c))*X1(cd,ab)
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! + ERI(p,q,c,d)*X1(cd,ab)/sqrt((1d0 + Kronecker_delta(c,d)))
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! + (ERI(p,q,c,d) + ERI(p,q,d,c))*X1(cd,ab)/sqrt((1d0 + Kronecker_delta(a,b))*(1d0 + Kronecker_delta(c,d)))
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end do
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end do
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kl = 0
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do k=nC+1,nO
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! do l=nC+1,k
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do l=k,nO
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kl = kl + 1
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rho1(p,q,ab) = rho1(p,q,ab) &
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+ ERI(p,q,k,l)*Y1(kl,ab)
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! + ERI(p,q,k,l)*Y1(kl,ab)/sqrt((1d0 + Kronecker_delta(a,b))*(1d0 + Kronecker_delta(k,l)))
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+ (1d0*ERI(p,q,k,l) + 0d0*ERI(p,q,l,k))*Y1(kl,ab)
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! + ERI(p,q,k,l)*Y1(kl,ab)/sqrt((1d0 + Kronecker_delta(k,l)))
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! + (ERI(p,q,k,l) + ERI(p,q,l,k))*Y1(kl,ab)/sqrt((1d0 + Kronecker_delta(a,b))*(1d0 + Kronecker_delta(k,l)))
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end do
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end do
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@ -86,22 +88,24 @@ subroutine excitation_density_Tmatrix(ispin,nBas,nC,nO,nV,nR,nOO,nVV,ERI,X1,Y1,r
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cd = 0
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do c=nO+1,nBas-nR
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! do d=nO+1,c
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do d=c,nBas-nR
|
||||
cd = cd + 1
|
||||
rho2(p,q,ij) = rho2(p,q,ij) &
|
||||
+ ERI(p,q,c,d)*X2(cd,ij)
|
||||
! + ERI(p,q,c,d)*X2(cd,ij)/sqrt((1d0 + Kronecker_delta(i,j))*(1d0 + Kronecker_delta(c,d)))
|
||||
+ (1d0*ERI(p,q,c,d) + 0d0*ERI(p,q,d,c))*X2(cd,ij)
|
||||
! + ERI(p,q,c,d)*X2(cd,ij)/sqrt((1d0 + Kronecker_delta(c,d)))
|
||||
! + (ERI(p,q,c,d) + ERI(p,q,d,c))*X2(cd,ij)/sqrt((1d0 + Kronecker_delta(i,j))*(1d0 + Kronecker_delta(c,d)))
|
||||
end do
|
||||
end do
|
||||
|
||||
kl = 0
|
||||
do k=nC+1,nO
|
||||
! do l=nC+1,k
|
||||
do l=k,nO
|
||||
kl = kl + 1
|
||||
rho2(p,q,ij) = rho2(p,q,ij) &
|
||||
+ ERI(p,q,k,l)*Y2(kl,ij)
|
||||
! + ERI(p,q,k,l)*Y2(kl,ij)/sqrt((1d0 + Kronecker_delta(i,j))*(1d0 + Kronecker_delta(k,l)))
|
||||
+ (1d0*ERI(p,q,k,l) + 0d0*ERI(p,q,l,k))*Y2(kl,ij)
|
||||
! + ERI(p,q,k,l)*Y2(kl,ij)/sqrt((1d0 + Kronecker_delta(k,l)))
|
||||
! + (ERI(p,q,k,l) + ERI(p,q,l,k))*Y2(kl,ij)/sqrt((1d0 + Kronecker_delta(i,j))*(1d0 + Kronecker_delta(k,l)))
|
||||
end do
|
||||
end do
|
||||
|
||||
@ -33,6 +33,10 @@ subroutine ufG0W0(nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI,eHF)
|
||||
double precision,allocatable :: eGW(:)
|
||||
double precision,allocatable :: Z(:)
|
||||
|
||||
logical :: verbose = .true.
|
||||
double precision,parameter :: cutoff1 = 0.01d0
|
||||
double precision,parameter :: cutoff2 = 0.01d0
|
||||
|
||||
! Output variables
|
||||
|
||||
! Hello world
|
||||
@ -183,9 +187,8 @@ subroutine ufG0W0(nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI,eHF)
|
||||
! Compute weights !
|
||||
!-----------------!
|
||||
|
||||
Z(:) = 0d0
|
||||
do s=1,nH
|
||||
Z(s) = Z(s) + cGW(1,s)**2
|
||||
Z(s) = cGW(1,s)**2
|
||||
end do
|
||||
|
||||
!--------------!
|
||||
@ -207,6 +210,64 @@ subroutine ufG0W0(nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI,eHF)
|
||||
write(*,*)'-------------------------------------------'
|
||||
write(*,*)
|
||||
|
||||
if(verbose) then
|
||||
|
||||
do s=1,nH
|
||||
|
||||
if(Z(s) > cutoff1) then
|
||||
|
||||
write(*,*)'*************************************************************'
|
||||
write(*,'(1X,A20,I3,A6,I3)')'Vector for orbital ',p,' and #',s
|
||||
write(*,'(1X,A7,F10.6,A13,F10.6,1X)')' e_QP = ',eGW(s)*HaToeV,' eV and Z = ',Z(s)
|
||||
write(*,*)'*************************************************************'
|
||||
write(*,'(1X,A20,1X,A20,1X,A15,1X)') &
|
||||
' Configuration ',' Coefficient ',' Weight '
|
||||
write(*,*)'*************************************************************'
|
||||
|
||||
if(p <= nO) &
|
||||
write(*,'(1X,A7,I3,A16,1X,F15.6,1X,F15.6)') &
|
||||
' (',p,') ',cGW(1,s),cGW(1,s)**2
|
||||
if(p > nO) &
|
||||
write(*,'(1X,A16,I3,A7,1X,F15.6,1X,F15.6)') &
|
||||
' (',p,') ',cGW(1,s),cGW(1,s)**2
|
||||
|
||||
klc = 0
|
||||
do k=nC+1,nO
|
||||
do l=nC+1,nO
|
||||
do c=nO+1,nBas-nR
|
||||
|
||||
klc = klc + 1
|
||||
! if(abs(cGW(1+klc,s)) > cutoff2) &
|
||||
write(*,'(1X,A3,I3,A1,I3,A6,I3,A7,1X,F15.6,1X,F15.6)') &
|
||||
' (',k,',',l,') -> (',c,') ',cGW(1+klc,s),cGW(1+klc,s)**2
|
||||
|
||||
end do
|
||||
end do
|
||||
end do
|
||||
|
||||
kcd = 0
|
||||
do k=nC+1,nO
|
||||
do c=nO+1,nBas-nR
|
||||
do d=nO+1,nBas-nR
|
||||
|
||||
kcd = kcd + 1
|
||||
! if(abs(cGW(1+n2h1p+kcd,s)) > cutoff2) &
|
||||
write(*,'(1X,A7,I3,A6,I3,A1,I3,A3,1X,F15.6,1X,F15.6)') &
|
||||
' (',k,') -> (',c,',',d,') ',cGW(1+n2h1p+kcd,s),cGW(1+n2h1p+kcd,s)**2
|
||||
|
||||
end do
|
||||
end do
|
||||
end do
|
||||
|
||||
write(*,*)'*************************************************************'
|
||||
write(*,*)
|
||||
|
||||
end if
|
||||
|
||||
end do
|
||||
|
||||
end if
|
||||
|
||||
end do
|
||||
|
||||
end subroutine ufG0W0
|
||||
|
||||
Loading…
Reference in New Issue
Block a user