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mirror of https://github.com/pfloos/quack synced 2025-05-06 23:34:42 +02:00
quack/src/AOtoMO/anomalous_matrix_AO_basis.f90
Mauricio Rodriguez-Mayorga c05631e1ba Incl sigma to change sign HFB
2025-02-04 14:34:31 +01:00

39 lines
719 B
Fortran

subroutine anomalous_matrix_AO_basis(nBas,sigma,Pa,ERI,L)
! Compute anomalous L matrix in the AO basis
implicit none
include 'parameters.h'
! Input variables
integer,intent(in) :: nBas
double precision,intent(in) :: sigma
double precision,intent(in) :: Pa(nBas,nBas)
double precision,intent(in) :: ERI(nBas,nBas,nBas,nBas)
! Local variables
integer :: mu,nu,la,si
! Output variables
double precision,intent(out) :: L(nBas,nBas)
L(:,:) = 0d0
do nu=1,nBas
do si=1,nBas
do la=1,nBas
do mu=1,nBas
L(mu,nu) = L(mu,nu) + sigma*Pa(la,si)*ERI(la,si,mu,nu)
end do
end do
end do
end do
end subroutine
! ---