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missing file

This commit is contained in:
Antoine Marie 2023-12-03 21:40:28 +01:00
parent dac467ede9
commit 857d36ee77

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src/GF/ufRG0F02.f90 Normal file
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subroutine ufRG0F02(dotest,nBas,nC,nO,nV,nR,nS,ENuc,ERHF,ERI,epsHF)
! Unfold G0F02
implicit none
include 'parameters.h'
! Input variables
logical,intent(in) :: dotest
integer,intent(in) :: nBas
integer,intent(in) :: nC
integer,intent(in) :: nO
integer,intent(in) :: nV
integer,intent(in) :: nR
integer,intent(in) :: nS
double precision,intent(in) :: ENuc
double precision,intent(in) :: ERHF
double precision,intent(in) :: ERI(nBas,nBas,nBas,nBas)
double precision,intent(in) :: epsHF(nBas)
! Local variables
integer :: p
integer :: s
integer :: i,j,k,l
integer :: a,b,c,d
integer :: jb,kc,ia,ja
integer :: klc,kcd,ija,ijb,iab,jab
integer :: n2h1p,n2p1h,nH
double precision,external :: Kronecker_delta
double precision,allocatable :: H(:,:)
double precision,allocatable :: epsGF2(:)
double precision,allocatable :: Z(:)
logical :: verbose = .true.
double precision,parameter :: cutoff1 = 0.01d0
double precision,parameter :: cutoff2 = 0.01d0
double precision :: eFermi
double precision,parameter :: window = 2d0
double precision :: start_timing,end_timing,timing
! Output variables
! Hello world
write(*,*)
write(*,*)'*****************************************'
write(*,*)'* Restricted Upfolded G0F02 Calculation *'
write(*,*)'*****************************************'
write(*,*)
! Dimension of the supermatrix
n2h1p = nO*nO*nV
n2p1h = nV*nV*nO
nH = 1 + n2h1p + n2p1h
! Memory allocation
allocate(H(nH,nH),epsGF2(nH),Z(nH))
eFermi = 0.5d0*(epsHF(nO) + epsHF(nO+1))
!-------------------------!
! Main loop over orbitals !
!-------------------------!
do p=nO-1,nO
H(:,:) = 0d0
!---------------------------!
! Compute GF2 supermatrix !
!---------------------------!
! !
! | e V2h1p V2p1h | !
! | | !
! H = | V2h1p C2h1p 0 | !
! | | !
! | V2p1h 0 C2p1h | !
! !
!---------------------------!
call wall_time(start_timing)
!-----------!
! "Block" e !
!-----------!
H(1,1) = epsHF(p)
!-------------!
! Block V2h1p !
!-------------!
ija = 0
do i=nC+1,nO
do j=nC+1,nO
do a=nO+1,nBas-nR
ija = ija + 1
H(1 ,1+ija) = (2d0*ERI(p,a,i,j) - ERI(p,a,j,i))/sqrt(2d0)
H(1+ija,1 ) = (2d0*ERI(p,a,i,j) - ERI(p,a,j,i))/sqrt(2d0)
end do
end do
end do
!-------------!
! Block V2p1h !
!-------------!
iab = 0
do i=nC+1,nO
do a=nO+1,nBas-nR
do b=nO+1,nBas-nR
iab = iab + 1
H(1 ,1+n2h1p+iab) = (2d0*ERI(p,i,a,b) - ERI(p,i,b,a))/sqrt(2d0)
H(1+n2h1p+iab,1 ) = (2d0*ERI(p,i,a,b) - ERI(p,i,b,a))/sqrt(2d0)
end do
end do
end do
!-------------!
! Block C2h1p !
!-------------!
ija = 0
do i=nC+1,nO
do j=nC+1,nO
do a=nO+1,nBas-nR
ija = ija + 1
klc = 0
do k=nC+1,nO
do l=nC+1,nO
do c=nO+1,nBas-nR
klc = klc + 1
H(1+ija,1+klc) &
= (epsHF(i) + epsHF(j) - epsHF(a))*Kronecker_delta(j,l)*Kronecker_delta(a,c)*Kronecker_delta(i,k)
end do
end do
end do
end do
end do
end do
!-------------!
! Block C2p1h !
!-------------!
iab = 0
do i=nC+1,nO
do a=nO+1,nBas-nR
do b=nO+1,nBas-nR
iab = iab + 1
kcd = 0
do k=nC+1,nO
do c=nO+1,nBas-nR
do d=nO+1,nBas-nR
kcd = kcd + 1
H(1+n2h1p+iab,1+n2h1p+kcd) &
= (epsHF(a) + epsHF(b) - epsHF(i))*Kronecker_delta(i,k)*Kronecker_delta(a,c)*Kronecker_delta(b,d)
end do
end do
end do
end do
end do
end do
call wall_time(end_timing)
timing = end_timing - start_timing
write(*,*)
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for construction of supermatrix = ',timing,' seconds'
write(*,*)
!-------------------------!
! Diagonalize supermatrix !
!-------------------------!
call wall_time(start_timing)
call diagonalize_matrix(nH,H,epsGF2)
call wall_time(end_timing)
timing = end_timing - start_timing
write(*,*)
write(*,'(A65,1X,F9.3,A8)') 'Total CPU time for diagonalization of supermatrix = ',timing,' seconds'
write(*,*)
!-----------------!
! Compute weights !
!-----------------!
do s=1,nH
Z(s) = H(1,s)**2
end do
!--------------!
! Dump results !
!--------------!
write(*,*)'-------------------------------------------'
write(*,'(1X,A32,I3,A8)')'| G0F02 energies (eV) for orbital',p,' |'
write(*,*)'-------------------------------------------'
write(*,'(1X,A1,1X,A3,1X,A1,1X,A15,1X,A1,1X,A15,1X,A1,1X,A15,1X)') &
'|','#','|','e_QP','|','Z','|'
write(*,*)'-------------------------------------------'
do s=1,nH
if(epsGF2(s) < eFermi .and. epsGF2(s) > eFermi - window) then
! if(Z(s) > cutoff1) then
write(*,'(1X,A1,1X,I3,1X,A1,1X,F15.6,1X,A1,1X,F15.6,1X,A1,1X)') &
'|',s,'|',epsGF2(s)*HaToeV,'|',Z(s),'|'
end if
end do
write(*,*)'-------------------------------------------'
write(*,*)
if(verbose) then
do s=1,nH
if(epsGF2(s) < eFermi .and. epsGF2(s) > eFermi - window) then
write(*,*)'-------------------------------------------------------------'
write(*,'(1X,A7,1X,I3,A6,I3,A1,1X,A7,F12.6,A13,F6.4,1X)') &
'Orbital',p,' and #',s,':','e_QP = ',epsGF2(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,') ',H(1,s),H(1,s)**2
if(p > nO) &
write(*,'(1X,A16,I3,A7,1X,F15.6,1X,F15.6)') &
' (',p,') ',H(1,s),H(1,s)**2
ija = 0
do i=nC+1,nO
do j=nC+1,nO
do a=nO+1,nBas-nR
ija = ija + 1
if(abs(H(1+ija,s)) > cutoff2) &
write(*,'(1X,A3,I3,A1,I3,A6,I3,A7,1X,F15.6,1X,F15.6)') &
' (',i,',',j,') -> (',a,') ',H(1+ija,s),H(1+ija,s)**2
end do
end do
end do
iab = 0
do i=nC+1,nO
do a=nO+1,nBas-nR
do b=nO+1,nBas-nR
iab = iab + 1
if(abs(H(1+n2h1p+iab,s)) > cutoff2) &
write(*,'(1X,A7,I3,A6,I3,A1,I3,A3,1X,F15.6,1X,F15.6)') &
' (',i,') -> (',a,',',b,') ',H(1+n2h1p+iab,s),H(1+n2h1p+iab,s)**2
end do
end do
end do
write(*,*)'-------------------------------------------------------------'
write(*,*)
end if ! If state s should be print
end do ! Loop on s
end if ! If verbose
end do ! Loop on the orbital in the e block
end subroutine