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mirror of https://github.com/pfloos/quack synced 2025-05-06 07:05:33 +02:00
QuAcK/src/Parquet/R_pp_triplet_Phi.f90

51 lines
1.5 KiB
Fortran

subroutine R_pp_triplet_Phi(nOrb,nC,nR,nOO,nVV,ee_trip_Om,ee_trip_rho,hh_trip_Om,hh_trip_rho,pp_trip_Phi)
! Compute irreducible vertex in the triplet pp channel
implicit none
! Input variables
integer,intent(in) :: nOrb,nC,nR,nOO,nVV
double precision,intent(in) :: ee_trip_Om(nVV)
double precision,intent(in) :: ee_trip_rho(nOrb,nOrb,nVV)
double precision,intent(in) :: hh_trip_Om(nOO)
double precision,intent(in) :: hh_trip_rho(nOrb,nOrb,nOO)
! Local variables
integer :: p,q,r,s
integer :: n
! Output variables
double precision,intent(out) :: pp_trip_Phi(nOrb,nOrb,nOrb,nOrb)
! Initialization
pp_trip_Phi(:,:,:,:) = 0d0
!$OMP PARALLEL DEFAULT(NONE) &
!$OMP PRIVATE(p, q, r, s, n) &
!$OMP SHARED(nC, nOrb, nR, nVV, nOO, pp_trip_Phi, ee_trip_rho, ee_trip_Om, hh_trip_rho, hh_trip_Om)
!$OMP DO COLLAPSE(2)
do s = nC+1, nOrb-nR
do r = nC+1, nOrb-nR
do q = nC+1, nOrb-nR
do p = nC+1, nOrb-nR
do n=1,nVV
pp_trip_Phi(p,q,r,s) = pp_trip_Phi(p,q,r,s) &
- ee_trip_rho(p,q,n)*ee_trip_rho(r,s,n)/ee_trip_Om(n)
end do
do n=1,nOO
pp_trip_Phi(p,q,r,s) = pp_trip_Phi(p,q,r,s) &
+ hh_trip_rho(p,q,n)*hh_trip_rho(r,s,n)/hh_trip_Om(n)
end do
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
end subroutine