mirror of
https://github.com/pfloos/quack
synced 2024-12-22 20:34:46 +01:00
new routine to fix GTpp
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6290634d87
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8ec7d3d170
@ -41,7 +41,7 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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! Local variables
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! Local variables
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logical :: print_T = .true.
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logical :: print_T = .true.
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double precision :: lambda
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logical :: plot_self = .false.
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integer :: isp_T
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integer :: isp_T
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integer :: iblock
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integer :: iblock
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@ -81,10 +81,6 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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write(*,*)'*********************************'
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write(*,*)'*********************************'
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write(*,*)
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write(*,*)
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! Initialization
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lambda = 1d0
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! TDA for T
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! TDA for T
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if(TDA_T) then
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if(TDA_T) then
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@ -125,33 +121,13 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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allocate(Bpp(nVVs,nOOs),Cpp(nVVs,nVVs),Dpp(nOOs,nOOs))
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allocate(Bpp(nVVs,nOOs),Cpp(nVVs,nVVs),Dpp(nOOs,nOOs))
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVs,lambda,eHF,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOs,nVVs,1d0,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOs,lambda,eHF,ERI,Dpp)
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVs,1d0,eHF,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOs,nVVs,lambda,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOs,1d0,eHF,ERI,Dpp)
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call ppLR(TDA_T,nOOs,nVVs,Bpp,Cpp,Dpp,Om1s,X1s,Y1s,Om2s,X2s,Y2s,EcRPA(isp_T))
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call ppLR(TDA_T,nOOs,nVVs,Bpp,Cpp,Dpp,Om1s,X1s,Y1s,Om2s,X2s,Y2s,EcRPA(isp_T))
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deallocate(Bpp,Cpp,Dpp)
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!print*, 'LAPACK:'
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!print*, Om2s
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!print*, Om1s
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!n_states = nOOs + 5
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deallocate(Bpp,Cpp,Dpp)
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!n_states_diag = n_states + 4
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!allocate(Om(nOOs+nVVs), R(nOOs+nVVs,n_states_diag))
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!allocate(supp_data_dbl(1), supp_data_int(1))
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!supp_data_int(1) = 0
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!supp_data_dbl(1) = 0.d0
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!call ppLR_davidson(iblock, TDA_T, nC, nO, nR, nOrb, nOOs, nVVs, &
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! 1.d0, & ! lambda
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! eHF(1), &
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! 0.d0, & ! eF
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! ERI(1,1,1,1), &
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! supp_data_int(1), 1, &
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! supp_data_dbl(1), 1, &
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! Om(1), R(1,1), n_states, n_states_diag, "RPA")
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!deallocate(supp_data_dbl, supp_data_int)
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!deallocate(Om, R)
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!stop
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if(print_T) call print_excitation_energies('ppRPA@RHF','2p (alpha-beta)',nVVs,Om1s)
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if(print_T) call print_excitation_energies('ppRPA@RHF','2p (alpha-beta)',nVVs,Om1s)
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if(print_T) call print_excitation_energies('ppRPA@RHF','2h (alpha-beta)',nOOs,Om2s)
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if(print_T) call print_excitation_energies('ppRPA@RHF','2h (alpha-beta)',nOOs,Om2s)
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@ -168,34 +144,13 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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allocate(Bpp(nVVt,nOOt),Cpp(nVVt,nVVt),Dpp(nOOt,nOOt))
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allocate(Bpp(nVVt,nOOt),Cpp(nVVt,nVVt),Dpp(nOOt,nOOt))
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVt,lambda,eHF,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOt,nVVt,1d0,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOt,lambda,eHF,ERI,Dpp)
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVt,1d0,eHF,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOt,nVVt,lambda,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOt,1d0,eHF,ERI,Dpp)
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call ppLR(TDA_T,nOOt,nVVt,Bpp,Cpp,Dpp,Om1t,X1t,Y1t,Om2t,X2t,Y2t,EcRPA(isp_T))
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call ppLR(TDA_T,nOOt,nVVt,Bpp,Cpp,Dpp,Om1t,X1t,Y1t,Om2t,X2t,Y2t,EcRPA(isp_T))
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deallocate(Bpp,Cpp,Dpp)
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deallocate(Bpp,Cpp,Dpp)
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!print*, 'LAPACK:'
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!print*, Om2t
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!print*, Om1t
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!n_states = nOOt + 5
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!n_states_diag = n_states + 4
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!allocate(Om(nOOt+nVVt), R(nOOt+nVVt,n_states_diag))
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!allocate(supp_data_dbl(1), supp_data_int(1))
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!supp_data_int(1) = 0
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!supp_data_dbl(1) = 0.d0
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!call ppLR_davidson(iblock, TDA_T, nC, nO, nR, nOrb, nOOt, nVVt, &
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! 1.d0, & ! lambda
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! eHF(1), &
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! 0.d0, & ! eF
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! ERI(1,1,1,1), &
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! supp_data_int(1), 1, &
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! supp_data_dbl(1), 1, &
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! Om(1), R(1,1), n_states, n_states_diag, "RPA")
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!deallocate(Om, R)
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!deallocate(supp_data_dbl)
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!stop
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if(print_T) call print_excitation_energies('ppRPA@RHF','2p (alpha-alpha)',nVVt,Om1t)
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if(print_T) call print_excitation_energies('ppRPA@RHF','2p (alpha-alpha)',nVVt,Om1t)
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if(print_T) call print_excitation_energies('ppRPA@RHF','2h (alpha-alpha)',nOOt,Om2t)
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if(print_T) call print_excitation_energies('ppRPA@RHF','2h (alpha-alpha)',nOOt,Om2t)
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@ -249,8 +204,8 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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end if
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end if
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! call RGTpp_plot_self_energy(nOrb,nC,nO,nV,nR,nOOs,nVVs,nOOt,nVVt,eHF,eGT,Om1s,rho1s,Om2s,rho2s, &
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if(plot_self) call RGTpp_plot_self_energy(nOrb,nC,nO,nV,nR,nOOs,nVVs,nOOt,nVVt,eHF,eGT,Om1s,rho1s,Om2s,rho2s, &
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! Om1t,rho1t,Om2t,rho2t)
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Om1t,rho1t,Om2t,rho2t)
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!----------------------------------------------
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!----------------------------------------------
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! Dump results
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! Dump results
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@ -264,9 +219,9 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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allocate(Bpp(nVVs,nOOs),Cpp(nVVs,nVVs),Dpp(nOOs,nOOs))
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allocate(Bpp(nVVs,nOOs),Cpp(nVVs,nVVs),Dpp(nOOs,nOOs))
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVs,lambda,eGT,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOs,nVVs,1d0,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOs,lambda,eGT,ERI,Dpp)
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVs,1d0,eGT,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOs,nVVs,lambda,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOs,1d0,eGT,ERI,Dpp)
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call ppLR(TDA_T,nOOs,nVVs,Bpp,Cpp,Dpp,Om1s,X1s,Y1s,Om2s,X2s,Y2s,EcRPA(isp_T))
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call ppLR(TDA_T,nOOs,nVVs,Bpp,Cpp,Dpp,Om1s,X1s,Y1s,Om2s,X2s,Y2s,EcRPA(isp_T))
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@ -278,9 +233,9 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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allocate(Bpp(nVVt,nOOt),Cpp(nVVt,nVVt),Dpp(nOOt,nOOt))
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allocate(Bpp(nVVt,nOOt),Cpp(nVVt,nVVt),Dpp(nOOt,nOOt))
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVt,lambda,eGT,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOt,nVVt,1d0,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOt,lambda,eGT,ERI,Dpp)
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call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVt,1d0,eGT,ERI,Cpp)
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if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOt,nVVt,lambda,ERI,Bpp)
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call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOt,1d0,eGT,ERI,Dpp)
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call ppLR(TDA_T,nOOt,nVVt,Bpp,Cpp,Dpp,Om1t,X1t,Y1t,Om2t,X2t,Y2t,EcRPA(isp_T))
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call ppLR(TDA_T,nOOt,nVVt,Bpp,Cpp,Dpp,Om1t,X1t,Y1t,Om2t,X2t,Y2t,EcRPA(isp_T))
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@ -295,17 +250,10 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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if(dophBSE) then
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if(dophBSE) then
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call RGTpp_phBSE(TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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call RGTpp_phBSE(exchange_kernel,TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
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Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t,Om2t,X2t,Y2t,rho1t,rho2t, &
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Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t,Om2t,X2t,Y2t,rho1t,rho2t, &
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ERI,dipole_int,eHF,eGT,EcBSE)
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ERI,dipole_int,eHF,eGT,EcBSE)
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if(exchange_kernel) then
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EcBSE(1) = 0.5d0*EcBSE(1)
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EcBSE(2) = 1.5d0*EcBSE(1)
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end if
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write(*,*)
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write(*,*)
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write(*,*)'-------------------------------------------------------------------------------'
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write(*,*)'-------------------------------------------------------------------------------'
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write(*,'(2X,A50,F20.10,A3)') 'Tr@phBSE@G0T0pp correlation energy (singlet) =',EcBSE(1),' au'
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write(*,'(2X,A50,F20.10,A3)') 'Tr@phBSE@G0T0pp correlation energy (singlet) =',EcBSE(1),' au'
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@ -319,29 +267,10 @@ subroutine RG0T0pp(dotest,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA,dBSE,d
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if(doACFDT) then
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if(doACFDT) then
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write(*,*) '--------------------------------------------------------'
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write(*,*) 'Adiabatic connection version of phBSE correlation energy'
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write(*,*) '--------------------------------------------------------'
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write(*,*)
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if(doXBS) then
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write(*,*) '*** scaled screening version (XBS) ***'
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write(*,*)
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end if
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call RGTpp_phACFDT(exchange_kernel,doXBS,.false.,TDA_T,TDA,dophBSE,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS, &
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call RGTpp_phACFDT(exchange_kernel,doXBS,.false.,TDA_T,TDA,dophBSE,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS, &
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nOOs,nVVs,nOOt,nVVt,Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t, &
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nOOs,nVVs,nOOt,nVVt,Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t, &
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Om2t,X2t,Y2t,rho1t,rho2t,ERI,eHF,eGT,EcBSE)
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Om2t,X2t,Y2t,rho1t,rho2t,ERI,eHF,eGT,EcBSE)
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if(exchange_kernel) then
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EcBSE(1) = 0.5d0*EcBSE(1)
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EcBSE(2) = 1.5d0*EcBSE(2)
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end if
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write(*,*)
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write(*,*)
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write(*,*)'-------------------------------------------------------------------------------'
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write(*,*)'-------------------------------------------------------------------------------'
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write(*,'(2X,A50,F20.10,A3)') 'AC@phBSE@G0T0pp@RHF correlation energy (singlet) = ',EcBSE(1),' au'
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write(*,'(2X,A50,F20.10,A3)') 'AC@phBSE@G0T0pp@RHF correlation energy (singlet) = ',EcBSE(1),' au'
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@ -85,6 +85,22 @@ subroutine RGTpp_phACFDT(exchange_kernel,doXBS,dRPA,TDA_T,TDA,BSE,singlet,triple
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allocate(Aph(nS,nS),Bph(nS,nS),TAs(nS,nS),TBs(nS,nS),TAt(nS,nS),TBt(nS,nS),Om(nS),XpY(nS,nS),XmY(nS,nS))
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allocate(Aph(nS,nS),Bph(nS,nS),TAs(nS,nS),TBs(nS,nS),TAt(nS,nS),TBt(nS,nS),Om(nS),XpY(nS,nS),XmY(nS,nS))
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allocate(Ec(nAC,nspin))
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allocate(Ec(nAC,nspin))
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! Hello World
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write(*,*) '-------------------------------------------------------------'
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write(*,*) ' Adiabatic connection version of BSE@GTpp correlation energy '
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write(*,*) '-------------------------------------------------------------'
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write(*,*)
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! eXtended BSE
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if(doXBS) then
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write(*,*) '*** scaled screening version (XBS) ***'
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write(*,*)
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end if
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! Antisymmetrized kernel version
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! Antisymmetrized kernel version
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if(exchange_kernel) then
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if(exchange_kernel) then
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@ -1,4 +1,4 @@
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subroutine RGTpp_phBSE(TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nBas,nC,nO,nV,nR,nS,nOOab,nVVab,nOOaa,nVVaa, &
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subroutine RGTpp_phBSE(exchange_kernel,TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nBas,nC,nO,nV,nR,nS,nOOab,nVVab,nOOaa,nVVaa, &
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Om1ab,X1ab,Y1ab,Om2ab,X2ab,Y2ab,rho1ab,rho2ab,Om1aa,X1aa,Y1aa,Om2aa,X2aa,Y2aa,rho1aa,rho2aa, &
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Om1ab,X1ab,Y1ab,Om2ab,X2ab,Y2ab,rho1ab,rho2ab,Om1aa,X1aa,Y1aa,Om2aa,X2aa,Y2aa,rho1aa,rho2aa, &
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ERI,dipole_int,eT,eGT,EcBSE)
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ERI,dipole_int,eT,eGT,EcBSE)
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@ -9,6 +9,7 @@ subroutine RGTpp_phBSE(TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nBas,nC,nO,nV,nR,
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! Input variables
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! Input variables
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logical,intent(in) :: exchange_kernel
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logical,intent(in) :: TDA_T
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logical,intent(in) :: TDA_T
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logical,intent(in) :: TDA
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logical,intent(in) :: TDA
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logical,intent(in) :: dBSE
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logical,intent(in) :: dBSE
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@ -189,4 +190,11 @@ subroutine RGTpp_phBSE(TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nBas,nC,nO,nV,nR,
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dipole_int,OmBSE,XpY_BSE,XmY_BSE,TAab,TAaa)
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dipole_int,OmBSE,XpY_BSE,XmY_BSE,TAab,TAaa)
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end if
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end if
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if(exchange_kernel) then
|
||||||
|
|
||||||
|
EcBSE(1) = 0.5d0*EcBSE(1)
|
||||||
|
EcBSE(2) = 1.5d0*EcBSE(1)
|
||||||
|
|
||||||
|
end if
|
||||||
|
|
||||||
end subroutine
|
end subroutine
|
||||||
|
@ -222,12 +222,12 @@ subroutine evRGTpp(dotest,maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,B
|
|||||||
|
|
||||||
! DIIS extrapolation
|
! DIIS extrapolation
|
||||||
|
|
||||||
|
if(max_diis > 1) then
|
||||||
|
|
||||||
n_diis = min(n_diis+1,max_diis)
|
n_diis = min(n_diis+1,max_diis)
|
||||||
call DIIS_extrapolation(rcond,nOrb,nOrb,n_diis,error_diis,e_diis,eGT(:)-eOld(:),eGT(:))
|
call DIIS_extrapolation(rcond,nOrb,nOrb,n_diis,error_diis,e_diis,eGT(:)-eOld(:),eGT(:))
|
||||||
|
|
||||||
! Reset DIIS if required
|
end if
|
||||||
|
|
||||||
if(abs(rcond) < 1d-15) n_diis = 0
|
|
||||||
|
|
||||||
! Save quasiparticles energy for next cycle
|
! Save quasiparticles energy for next cycle
|
||||||
|
|
||||||
@ -246,17 +246,10 @@ subroutine evRGTpp(dotest,maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,B
|
|||||||
|
|
||||||
if(BSE) then
|
if(BSE) then
|
||||||
|
|
||||||
call RGTpp_phBSE(TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
|
call RGTpp_phBSE(exchange_kernel,TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
|
||||||
Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t,Om2t,X2t,Y2t,rho1t,rho2t, &
|
Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t,Om2t,X2t,Y2t,rho1t,rho2t, &
|
||||||
ERI,dipole_int,eGT,eGT,EcBSE)
|
ERI,dipole_int,eGT,eGT,EcBSE)
|
||||||
|
|
||||||
if(exchange_kernel) then
|
|
||||||
|
|
||||||
EcRPA(1) = 0.5d0*EcRPA(1)
|
|
||||||
EcRPA(2) = 1.5d0*EcRPA(1)
|
|
||||||
|
|
||||||
end if
|
|
||||||
|
|
||||||
write(*,*)
|
write(*,*)
|
||||||
write(*,*)'-------------------------------------------------------------------------------'
|
write(*,*)'-------------------------------------------------------------------------------'
|
||||||
write(*,'(2X,A50,F20.10)') 'Tr@phBSE@evGTpp correlation energy (singlet) =',EcBSE(1)
|
write(*,'(2X,A50,F20.10)') 'Tr@phBSE@evGTpp correlation energy (singlet) =',EcBSE(1)
|
||||||
@ -270,29 +263,10 @@ subroutine evRGTpp(dotest,maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,B
|
|||||||
|
|
||||||
if(doACFDT) then
|
if(doACFDT) then
|
||||||
|
|
||||||
write(*,*) '------------------------------------------------------'
|
|
||||||
write(*,*) 'Adiabatic connection version of BSE correlation energy'
|
|
||||||
write(*,*) '------------------------------------------------------'
|
|
||||||
write(*,*)
|
|
||||||
|
|
||||||
if(doXBS) then
|
|
||||||
|
|
||||||
write(*,*) '*** scaled screening version (XBS) ***'
|
|
||||||
write(*,*)
|
|
||||||
|
|
||||||
end if
|
|
||||||
|
|
||||||
call RGTpp_phACFDT(exchange_kernel,doXBS,.false.,TDA_T,TDA,BSE,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS, &
|
call RGTpp_phACFDT(exchange_kernel,doXBS,.false.,TDA_T,TDA,BSE,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS, &
|
||||||
nOOs,nVVs,nOOt,nVVt,Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t, &
|
nOOs,nVVs,nOOt,nVVt,Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t, &
|
||||||
Om2t,X2t,Y2t,rho1t,rho2t,ERI,eGT,eGT,EcBSE)
|
Om2t,X2t,Y2t,rho1t,rho2t,ERI,eGT,eGT,EcBSE)
|
||||||
|
|
||||||
if(exchange_kernel) then
|
|
||||||
|
|
||||||
EcBSE(1) = 0.5d0*EcBSE(1)
|
|
||||||
EcBSE(2) = 1.5d0*EcBSE(2)
|
|
||||||
|
|
||||||
end if
|
|
||||||
|
|
||||||
write(*,*)
|
write(*,*)
|
||||||
write(*,*)'-------------------------------------------------------------------------------'
|
write(*,*)'-------------------------------------------------------------------------------'
|
||||||
write(*,'(2X,A50,F20.10)') 'AC@phBSE@evGTpp correlation energy (singlet) =',EcBSE(1)
|
write(*,'(2X,A50,F20.10)') 'AC@phBSE@evGTpp correlation energy (singlet) =',EcBSE(1)
|
||||||
@ -306,7 +280,6 @@ subroutine evRGTpp(dotest,maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,B
|
|||||||
|
|
||||||
end if
|
end if
|
||||||
|
|
||||||
|
|
||||||
! Testing zone
|
! Testing zone
|
||||||
|
|
||||||
if(dotest) then
|
if(dotest) then
|
||||||
|
@ -1,9 +1,6 @@
|
|||||||
|
subroutine qsRGTpp(dotest,maxSCF,thresh,max_diis,doACFDT,exchange_kernel,doXBS,dophBSE,TDA_T,TDA, &
|
||||||
! ---
|
dBSE,dTDA,singlet,triplet,eta,regularize,nNuc,ZNuc,rNuc,ENuc,nBas,nOrb, &
|
||||||
|
nC,nO,nV,nR,nS,ERHF,S,X,T,V,Hc,ERI_AO,ERI_MO,dipole_int_AO,dipole_int_MO,PHF,cHF,eHF)
|
||||||
subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, doXBS, dophBSE, TDA_T, TDA, &
|
|
||||||
dBSE, dTDA, singlet, triplet, eta, regularize, nNuc, ZNuc, rNuc, ENuc, nBas, nOrb, &
|
|
||||||
nC, nO, nV, nR, nS, ERHF, S, X, T, V, Hc, ERI_AO, ERI_MO, dipole_int_AO, dipole_int_MO, PHF, cHF, eHF)
|
|
||||||
|
|
||||||
! Perform a quasiparticle self-consistent GT calculation
|
! Perform a quasiparticle self-consistent GT calculation
|
||||||
|
|
||||||
@ -34,7 +31,8 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
double precision,intent(in) :: rNuc(nNuc,ncart)
|
double precision,intent(in) :: rNuc(nNuc,ncart)
|
||||||
double precision,intent(in) :: ENuc
|
double precision,intent(in) :: ENuc
|
||||||
|
|
||||||
integer,intent(in) :: nBas, nOrb
|
integer,intent(in) :: nBas
|
||||||
|
integer,intent(in) :: nOrb
|
||||||
integer,intent(in) :: nC,nO,nV,nR,nS
|
integer,intent(in) :: nC,nO,nV,nR,nS
|
||||||
double precision,intent(in) :: ERHF
|
double precision,intent(in) :: ERHF
|
||||||
double precision,intent(in) :: eHF(nOrb)
|
double precision,intent(in) :: eHF(nOrb)
|
||||||
@ -154,10 +152,10 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
allocate(error_diis(nBas_Sq,max_diis))
|
allocate(error_diis(nBas_Sq,max_diis))
|
||||||
allocate(F_diis(nBas_Sq,max_diis))
|
allocate(F_diis(nBas_Sq,max_diis))
|
||||||
|
|
||||||
allocate(Om1s(nVVs), X1s(nVVs,nVVs), Y1s(nOOs,nVVs), rho1s(nOrb,nOrb,nVVs))
|
allocate(Om1s(nVVs),X1s(nVVs,nVVs),Y1s(nOOs,nVVs),rho1s(nOrb,nOrb,nVVs))
|
||||||
allocate(Om2s(nOOs), X2s(nVVs,nOOs), Y2s(nOOs,nOOs), rho2s(nOrb,nOrb,nOOs))
|
allocate(Om2s(nOOs),X2s(nVVs,nOOs),Y2s(nOOs,nOOs),rho2s(nOrb,nOrb,nOOs))
|
||||||
allocate(Om1t(nVVt), X1t(nVVt,nVVt), Y1t(nOOt,nVVt), rho1t(nOrb,nOrb,nVVt))
|
allocate(Om1t(nVVt),X1t(nVVt,nVVt),Y1t(nOOt,nVVt),rho1t(nOrb,nOrb,nVVt))
|
||||||
allocate(Om2t(nOOt), X2t(nVVt,nOOt), Y2t(nOOt,nOOt), rho2t(nOrb,nOrb,nOOt))
|
allocate(Om2t(nOOt),X2t(nVVt,nOOt),Y2t(nOOt,nOOt),rho2t(nOrb,nOrb,nOOt))
|
||||||
|
|
||||||
! Initialization
|
! Initialization
|
||||||
|
|
||||||
@ -193,7 +191,7 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
! AO to MO transformation of two-electron integrals
|
! AO to MO transformation of two-electron integrals
|
||||||
|
|
||||||
call AOtoMO_ERI_RHF(nBas, nOrb, c, ERI_AO, ERI_MO)
|
call AOtoMO_ERI_RHF(nBas,nOrb,c,ERI_AO,ERI_MO)
|
||||||
|
|
||||||
! Compute linear response
|
! Compute linear response
|
||||||
|
|
||||||
@ -202,9 +200,9 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
allocate(Bpp(nVVs,nOOs),Cpp(nVVs,nVVs),Dpp(nOOs,nOOs))
|
allocate(Bpp(nVVs,nOOs),Cpp(nVVs,nVVs),Dpp(nOOs,nOOs))
|
||||||
|
|
||||||
|
if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOs,nVVs,1d0,ERI_MO,Bpp)
|
||||||
call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVs,1d0,eGT,ERI_MO,Cpp)
|
call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVs,1d0,eGT,ERI_MO,Cpp)
|
||||||
call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOs,1d0,eGT,ERI_MO,Dpp)
|
call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOs,1d0,eGT,ERI_MO,Dpp)
|
||||||
if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOs,nVVs,1d0,ERI_MO,Bpp)
|
|
||||||
|
|
||||||
call ppLR(TDA_T,nOOs,nVVs,Bpp,Cpp,Dpp,Om1s,X1s,Y1s,Om2s,X2s,Y2s,EcRPA(ispin))
|
call ppLR(TDA_T,nOOs,nVVs,Bpp,Cpp,Dpp,Om1s,X1s,Y1s,Om2s,X2s,Y2s,EcRPA(ispin))
|
||||||
|
|
||||||
@ -215,9 +213,9 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
allocate(Bpp(nVVt,nOOt),Cpp(nVVt,nVVt),Dpp(nOOt,nOOt))
|
allocate(Bpp(nVVt,nOOt),Cpp(nVVt,nVVt),Dpp(nOOt,nOOt))
|
||||||
|
|
||||||
|
if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOt,nVVt,1d0,ERI_MO,Bpp)
|
||||||
call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVt,1d0,eGT,ERI_MO,Cpp)
|
call ppLR_C(iblock,nOrb,nC,nO,nV,nR,nVVt,1d0,eGT,ERI_MO,Cpp)
|
||||||
call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOt,1d0,eGT,ERI_MO,Dpp)
|
call ppLR_D(iblock,nOrb,nC,nO,nV,nR,nOOt,1d0,eGT,ERI_MO,Dpp)
|
||||||
if(.not.TDA_T) call ppLR_B(iblock,nOrb,nC,nO,nV,nR,nOOt,nVVt,1d0,ERI_MO,Bpp)
|
|
||||||
|
|
||||||
call ppLR(TDA_T,nOOt,nVVt,Bpp,Cpp,Dpp,Om1t,X1t,Y1t,Om2t,X2t,Y2t,EcRPA(ispin))
|
call ppLR(TDA_T,nOOt,nVVt,Bpp,Cpp,Dpp,Om1t,X1t,Y1t,Om2t,X2t,Y2t,EcRPA(ispin))
|
||||||
|
|
||||||
@ -246,14 +244,14 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
Sig = 0.5d0*(Sig + transpose(Sig))
|
Sig = 0.5d0*(Sig + transpose(Sig))
|
||||||
|
|
||||||
call MOtoAO(nBas, nOrb, S, c, Sig, Sigp)
|
call MOtoAO(nBas,nOrb,S,c,Sig,Sigp)
|
||||||
|
|
||||||
! Solve the quasi-particle equation
|
! Solve the quasi-particle equation
|
||||||
|
|
||||||
F(:,:) = Hc(:,:) + J(:,:) + 0.5d0*K(:,:) + Sigp(:,:)
|
F(:,:) = Hc(:,:) + J(:,:) + 0.5d0*K(:,:) + Sigp(:,:)
|
||||||
if(nBas .ne. nOrb) then
|
if(nBas .ne. nOrb) then
|
||||||
call AOtoMO(nBas, nOrb, c(1,1), F(1,1), Fp(1,1))
|
call AOtoMO(nBas,nOrb,c(1,1),F(1,1),Fp(1,1))
|
||||||
call MOtoAO(nBas, nOrb, S(1,1), c(1,1), Fp(1,1), F(1,1))
|
call MOtoAO(nBas,nOrb,S(1,1),c(1,1),Fp(1,1),F(1,1))
|
||||||
endif
|
endif
|
||||||
|
|
||||||
! Compute commutator and convergence criteria
|
! Compute commutator and convergence criteria
|
||||||
@ -272,20 +270,20 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
! Diagonalize Hamiltonian in AO basis
|
! Diagonalize Hamiltonian in AO basis
|
||||||
|
|
||||||
if(nBas .eq. nOrb) then
|
if(nBas .eq. nOrb) then
|
||||||
Fp = matmul(transpose(X), matmul(F, X))
|
Fp = matmul(transpose(X),matmul(F,X))
|
||||||
cp(:,:) = Fp(:,:)
|
cp(:,:) = Fp(:,:)
|
||||||
call diagonalize_matrix(nOrb, cp, eGT)
|
call diagonalize_matrix(nOrb,cp,eGT)
|
||||||
c = matmul(X, cp)
|
c = matmul(X,cp)
|
||||||
else
|
else
|
||||||
Fp = matmul(transpose(c), matmul(F, c))
|
Fp = matmul(transpose(c),matmul(F,c))
|
||||||
cp(:,:) = Fp(:,:)
|
cp(:,:) = Fp(:,:)
|
||||||
call diagonalize_matrix(nOrb, cp, eGT)
|
call diagonalize_matrix(nOrb,cp,eGT)
|
||||||
c = matmul(c, cp)
|
c = matmul(c,cp)
|
||||||
endif
|
endif
|
||||||
|
|
||||||
! Compute new density matrix in the AO basis
|
! Compute new density matrix in the AO basis
|
||||||
|
|
||||||
P(:,:) = 2d0*matmul(c(:,1:nO), transpose(c(:,1:nO)))
|
P(:,:) = 2d0*matmul(c(:,1:nO),transpose(c(:,1:nO)))
|
||||||
|
|
||||||
! Save quasiparticles energy for next cycle
|
! Save quasiparticles energy for next cycle
|
||||||
|
|
||||||
@ -319,9 +317,8 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
! Print results
|
! Print results
|
||||||
|
|
||||||
call dipole_moment(nBas,P,nNuc,ZNuc,rNuc,dipole_int_AO,dipole)
|
call dipole_moment(nBas,P,nNuc,ZNuc,rNuc,dipole_int_AO,dipole)
|
||||||
call print_qsRGTpp(nBas, nOrb, nO, nSCF, Conv, thresh, eHF, &
|
call print_qsRGTpp(nBas,nOrb,nO,nSCF,Conv,thresh,eHF,eGT,c,Sig,Z, &
|
||||||
eGT, c, Sig, Z, ENuc, ET, EV, EJ, Ex, EcGM, EcRPA, &
|
ENuc,ET,EV,EJ,Ex,EcGM,EcRPA,EqsGT,dipole)
|
||||||
EqsGT, dipole)
|
|
||||||
|
|
||||||
end do
|
end do
|
||||||
!------------------------------------------------------------------------
|
!------------------------------------------------------------------------
|
||||||
@ -338,34 +335,27 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
write(*,*)'!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'
|
write(*,*)'!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!'
|
||||||
write(*,*)
|
write(*,*)
|
||||||
|
|
||||||
deallocate(c, cp, P, F, Fp, J, K, Sig, Sigp, Z, error, error_diis, F_diis)
|
deallocate(c,cp,P,F,Fp,J,K,Sig,Sigp,Z,error,error_diis,F_diis)
|
||||||
deallocate(Om1s, X1s, Y1s, rho1s)
|
deallocate(Om1s,X1s,Y1s,rho1s)
|
||||||
deallocate(Om2s, X2s, Y2s, rho2s)
|
deallocate(Om2s,X2s,Y2s,rho2s)
|
||||||
deallocate(Om1t, X1t, Y1t, rho1t)
|
deallocate(Om1t,X1t,Y1t,rho1t)
|
||||||
deallocate(Om2t, X2t, Y2t, rho2t)
|
deallocate(Om2t,X2t,Y2t,rho2t)
|
||||||
stop
|
stop
|
||||||
|
|
||||||
end if
|
end if
|
||||||
|
|
||||||
! Deallocate memory
|
! Deallocate memory
|
||||||
|
|
||||||
deallocate(c, cp, P, F, Fp, J, K, Sig, Sigp, Z, error, error_diis, F_diis)
|
deallocate(c,cp,P,F,Fp,J,K,Sig,Sigp,Z,error,error_diis,F_diis)
|
||||||
|
|
||||||
! Perform BSE calculation
|
! Perform BSE calculation
|
||||||
|
|
||||||
if(dophBSE) then
|
if(dophBSE) then
|
||||||
|
|
||||||
call RGTpp_phBSE(TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
|
call RGTpp_phBSE(exchange_kernel,TDA_T,TDA,dBSE,dTDA,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS,nOOs,nVVs,nOOt,nVVt, &
|
||||||
Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t,Om2t,X2t,Y2t,rho1t,rho2t, &
|
Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t,Om2t,X2t,Y2t,rho1t,rho2t, &
|
||||||
ERI_MO,dipole_int_MO,eGT,eGT,EcBSE)
|
ERI_MO,dipole_int_MO,eGT,eGT,EcBSE)
|
||||||
|
|
||||||
if(exchange_kernel) then
|
|
||||||
|
|
||||||
EcBSE(1) = 0.5d0*EcBSE(1)
|
|
||||||
EcBSE(2) = 1.5d0*EcBSE(2)
|
|
||||||
|
|
||||||
end if
|
|
||||||
|
|
||||||
write(*,*)
|
write(*,*)
|
||||||
write(*,*)'-------------------------------------------------------------------------------'
|
write(*,*)'-------------------------------------------------------------------------------'
|
||||||
write(*,'(2X,A50,F20.10)') 'Tr@phBSE@qsGTpp correlation energy (singlet) =',EcBSE(1)
|
write(*,'(2X,A50,F20.10)') 'Tr@phBSE@qsGTpp correlation energy (singlet) =',EcBSE(1)
|
||||||
@ -379,18 +369,6 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
if(doACFDT) then
|
if(doACFDT) then
|
||||||
|
|
||||||
write(*,*) '------------------------------------------------------'
|
|
||||||
write(*,*) 'Adiabatic connection version of BSE correlation energy'
|
|
||||||
write(*,*) '------------------------------------------------------'
|
|
||||||
write(*,*)
|
|
||||||
|
|
||||||
if(doXBS) then
|
|
||||||
|
|
||||||
write(*,*) '*** scaled screening version (XBS) ***'
|
|
||||||
write(*,*)
|
|
||||||
|
|
||||||
end if
|
|
||||||
|
|
||||||
call RGTpp_phACFDT(exchange_kernel,doXBS,.false.,TDA_T,TDA,dophBSE,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS, &
|
call RGTpp_phACFDT(exchange_kernel,doXBS,.false.,TDA_T,TDA,dophBSE,singlet,triplet,eta,nOrb,nC,nO,nV,nR,nS, &
|
||||||
nOOs,nVVs,nOOt,nVVt,Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t, &
|
nOOs,nVVs,nOOt,nVVt,Om1s,X1s,Y1s,Om2s,X2s,Y2s,rho1s,rho2s,Om1t,X1t,Y1t, &
|
||||||
Om2t,X2t,Y2t,rho1t,rho2t,ERI_MO,eGT,eGT,EcBSE)
|
Om2t,X2t,Y2t,rho1t,rho2t,ERI_MO,eGT,eGT,EcBSE)
|
||||||
@ -408,7 +386,6 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
end if
|
end if
|
||||||
|
|
||||||
|
|
||||||
! Testing zone
|
! Testing zone
|
||||||
|
|
||||||
if(dotest) then
|
if(dotest) then
|
||||||
@ -419,9 +396,9 @@ subroutine qsRGTpp(dotest, maxSCF, thresh, max_diis, doACFDT, exchange_kernel, d
|
|||||||
|
|
||||||
end if
|
end if
|
||||||
|
|
||||||
deallocate(Om1s, X1s, Y1s, rho1s)
|
deallocate(Om1s,X1s,Y1s,rho1s)
|
||||||
deallocate(Om2s, X2s, Y2s, rho2s)
|
deallocate(Om2s,X2s,Y2s,rho2s)
|
||||||
deallocate(Om1t, X1t, Y1t, rho1t)
|
deallocate(Om1t,X1t,Y1t,rho1t)
|
||||||
deallocate(Om2t, X2t, Y2t, rho2t)
|
deallocate(Om2t,X2t,Y2t,rho2t)
|
||||||
|
|
||||||
end subroutine
|
end subroutine
|
||||||
|
@ -43,7 +43,6 @@ subroutine ppLR(TDA,nOO,nVV,Bpp,Cpp,Dpp,Om1,X1,Y1,Om2,X2,Y2,EcRPA)
|
|||||||
|
|
||||||
double precision, external :: trace_matrix
|
double precision, external :: trace_matrix
|
||||||
|
|
||||||
|
|
||||||
N = nOO + nVV
|
N = nOO + nVV
|
||||||
|
|
||||||
allocate(M(N,N), Z(N,N), Om(N))
|
allocate(M(N,N), Z(N,N), Om(N))
|
||||||
@ -70,10 +69,13 @@ subroutine ppLR(TDA,nOO,nVV,Bpp,Cpp,Dpp,Om1,X1,Y1,Om2,X2,Y2,EcRPA)
|
|||||||
|
|
||||||
! if((nOO .eq. 0) .or. (nVV .eq. 0)) then
|
! if((nOO .eq. 0) .or. (nVV .eq. 0)) then
|
||||||
|
|
||||||
! Diagonalize the p-p matrix
|
! Diagonalize the pp matrix
|
||||||
if(nOO+nVV > 0) call diagonalize_general_matrix(nOO+nVV, M, Om, Z)
|
|
||||||
|
if(nOO+nVV > 0) call diagonalize_general_matrix(nOO+nVV,M,Om,Z)
|
||||||
|
|
||||||
! Split the various quantities in p-p and h-h parts
|
! Split the various quantities in p-p and h-h parts
|
||||||
call sort_ppRPA(nOO, nVV, Om, Z, Om1, X1, Y1, Om2, X2, Y2)
|
|
||||||
|
call sort_ppRPA(nOO,nVV,Om,Z,Om1,X1,Y1,Om2,X2,Y2)
|
||||||
|
|
||||||
! else
|
! else
|
||||||
|
|
||||||
|
@ -17,7 +17,6 @@ subroutine sort_ppRPA(nOO,nVV,Om,Z,Om1,X1,Y1,Om2,X2,Y2)
|
|||||||
integer :: pq,ab,ij
|
integer :: pq,ab,ij
|
||||||
! integer :: deg1,ab_start,ab_end
|
! integer :: deg1,ab_start,ab_end
|
||||||
! integer :: deg2,ij_start,ij_end
|
! integer :: deg2,ij_start,ij_end
|
||||||
integer :: OO,VV
|
|
||||||
double precision,allocatable :: M(:,:)
|
double precision,allocatable :: M(:,:)
|
||||||
double precision,allocatable :: Z1(:,:)
|
double precision,allocatable :: Z1(:,:)
|
||||||
double precision,allocatable :: Z2(:,:)
|
double precision,allocatable :: Z2(:,:)
|
||||||
@ -211,8 +210,8 @@ subroutine sort_ppRPA(nOO,nVV,Om,Z,Om1,X1,Y1,Om2,X2,Y2)
|
|||||||
! S1 = + matmul(transpose(Z1),matmul(M,Z1))
|
! S1 = + matmul(transpose(Z1),matmul(M,Z1))
|
||||||
! S2 = - matmul(transpose(Z2),matmul(M,Z2))
|
! S2 = - matmul(transpose(Z2),matmul(M,Z2))
|
||||||
|
|
||||||
if(nVV > 0) call orthogonalization_matrix(nVV,VV,S1,O1)
|
if(nVV > 0) call orthogonalize_matrix(1,nVV,S1,O1)
|
||||||
if(nOO > 0) call orthogonalization_matrix(nOO,OO,S2,O2)
|
if(nOO > 0) call orthogonalize_matrix(1,nOO,S2,O2)
|
||||||
|
|
||||||
if(nVV > 0) call dgemm ('N', 'N', nOO+nVV,nVV,nVV, 1d0, Z1, nOO+nVV, O1, nVV,0d0, tmp1, nOO+nVV)
|
if(nVV > 0) call dgemm ('N', 'N', nOO+nVV,nVV,nVV, 1d0, Z1, nOO+nVV, O1, nVV,0d0, tmp1, nOO+nVV)
|
||||||
Z1 = tmp1
|
Z1 = tmp1
|
||||||
|
118
src/utils/orthogonalize_matrix.f90
Normal file
118
src/utils/orthogonalize_matrix.f90
Normal file
@ -0,0 +1,118 @@
|
|||||||
|
subroutine orthogonalize_matrix(ortho_type,nBas,S,X)
|
||||||
|
|
||||||
|
! Compute the orthogonalization matrix X
|
||||||
|
|
||||||
|
implicit none
|
||||||
|
|
||||||
|
! Input variables
|
||||||
|
|
||||||
|
integer,intent(in) :: nBas,ortho_type
|
||||||
|
double precision,intent(in) :: S(nBas,nBas)
|
||||||
|
|
||||||
|
! Local variables
|
||||||
|
|
||||||
|
logical :: debug
|
||||||
|
double precision,allocatable :: UVec(:,:),Uval(:)
|
||||||
|
double precision,parameter :: thresh = 1d-6
|
||||||
|
|
||||||
|
integer :: i
|
||||||
|
|
||||||
|
! Output variables
|
||||||
|
|
||||||
|
double precision,intent(out) :: X(nBas,nBas)
|
||||||
|
|
||||||
|
debug = .false.
|
||||||
|
|
||||||
|
! Type of orthogonalization ortho_type
|
||||||
|
!
|
||||||
|
! 1 = Lowdin
|
||||||
|
! 2 = Canonical
|
||||||
|
! 3 = SVD
|
||||||
|
!
|
||||||
|
|
||||||
|
allocate(Uvec(nBas,nBas),Uval(nBas))
|
||||||
|
|
||||||
|
if(ortho_type == 1) then
|
||||||
|
|
||||||
|
! write(*,*)
|
||||||
|
! write(*,*) ' Lowdin orthogonalization'
|
||||||
|
! write(*,*)
|
||||||
|
|
||||||
|
Uvec = S
|
||||||
|
call diagonalize_matrix(nBas,Uvec,Uval)
|
||||||
|
|
||||||
|
do i=1,nBas
|
||||||
|
|
||||||
|
if(Uval(i) < thresh) then
|
||||||
|
|
||||||
|
write(*,*) 'Eigenvalue',i,' is very small in Lowdin orthogonalization = ',Uval(i)
|
||||||
|
|
||||||
|
endif
|
||||||
|
|
||||||
|
Uval(i) = 1d0/sqrt(Uval(i))
|
||||||
|
|
||||||
|
enddo
|
||||||
|
|
||||||
|
call ADAt(nBas,Uvec,Uval,X)
|
||||||
|
|
||||||
|
elseif(ortho_type == 2) then
|
||||||
|
|
||||||
|
! write(*,*)
|
||||||
|
! write(*,*) 'Canonical orthogonalization'
|
||||||
|
! write(*,*)
|
||||||
|
|
||||||
|
Uvec = S
|
||||||
|
call diagonalize_matrix(nBas,Uvec,Uval)
|
||||||
|
|
||||||
|
do i=1,nBas
|
||||||
|
|
||||||
|
if(Uval(i) > thresh) then
|
||||||
|
|
||||||
|
Uval(i) = 1d0/sqrt(Uval(i))
|
||||||
|
|
||||||
|
else
|
||||||
|
|
||||||
|
write(*,*) ' Eigenvalue',i,'too small for canonical orthogonalization'
|
||||||
|
|
||||||
|
endif
|
||||||
|
|
||||||
|
enddo
|
||||||
|
|
||||||
|
call AD(nBas,Uvec,Uval)
|
||||||
|
X = Uvec
|
||||||
|
|
||||||
|
elseif(ortho_type == 3) then
|
||||||
|
|
||||||
|
! write(*,*)
|
||||||
|
! write(*,*) ' SVD-based orthogonalization NYI'
|
||||||
|
! write(*,*)
|
||||||
|
|
||||||
|
! Uvec = S
|
||||||
|
! call diagonalize_matrix(nBas,Uvec,Uval)
|
||||||
|
|
||||||
|
! do i=1,nBas
|
||||||
|
! if(Uval(i) > thresh) then
|
||||||
|
! Uval(i) = 1d0/sqrt(Uval(i))
|
||||||
|
! else
|
||||||
|
! write(*,*) 'Eigenvalue',i,'too small for canonical orthogonalization'
|
||||||
|
! endif
|
||||||
|
! enddo
|
||||||
|
!
|
||||||
|
! call AD(nBas,Uvec,Uval)
|
||||||
|
! X = Uvec
|
||||||
|
|
||||||
|
endif
|
||||||
|
|
||||||
|
! Print results
|
||||||
|
|
||||||
|
if(debug) then
|
||||||
|
|
||||||
|
write(*,'(A28)') '----------------------'
|
||||||
|
write(*,'(A28)') 'Orthogonalization matrix'
|
||||||
|
write(*,'(A28)') '----------------------'
|
||||||
|
call matout(nBas,nBas,X)
|
||||||
|
write(*,*)
|
||||||
|
|
||||||
|
endif
|
||||||
|
|
||||||
|
end subroutine
|
Loading…
Reference in New Issue
Block a user