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quantum_package/plugins/OVB_effective_Hamiltonian/OVB_effective_H.irp.f
2016-02-17 12:22:45 +01:00

60 lines
2.2 KiB
Fortran

BEGIN_PROVIDER [double precision, H_OVB_dressing, (min_number_ionic:max_number_ionic, min_number_ionic:max_number_ionic, n_states)]
BEGIN_DOC
! Hamiltonian matrix expressed in the basis of all the
END_DOC
implicit none
integer :: i,j,istate,k,l
double precision :: accu,hij
do i = min_number_ionic,max_number_ionic
do j = min_number_ionic,max_number_ionic
accu = 0.d0
do istate = 1, N_states
do k = 1, ionic_index(i,0)
do l = 1, ionic_index(j,0)
hij = dressing_ref_hamiltonian(ionic_index(i,k),ionic_index(j,l),istate)
! accu += psi_ref_coef(ionic_index(i,k),istate) * normalization_factor_ionic(i,istate) * &
! psi_ref_coef(ionic_index(j,l),istate) * normalization_factor_ionic(j,istate) * hij
accu += psi_ref_coef_dressed(ionic_index(i,k),istate) * normalization_factor_ionic_dressed(i,istate) * &
psi_ref_coef_dressed(ionic_index(j,l),istate) * normalization_factor_ionic_dressed(j,istate) * hij
enddo
enddo
H_OVB_dressing(i,j,istate) = accu
enddo
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, H_OVB_total_dressed, (min_number_ionic:max_number_ionic, min_number_ionic:max_number_ionic, n_states)]
BEGIN_DOC
! Hamiltonian matrix expressed in the basis of all the
END_DOC
implicit none
integer :: i,j,istate
double precision :: accu,hij
do i = min_number_ionic,max_number_ionic
do j = min_number_ionic,max_number_ionic
do istate = 1, N_states
H_OVB_total_dressed(i,j,istate) = H_OVB_dressing(i,j,istate) + H_OVB_naked(i,j,istate)
enddo
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [double precision, normalization_factor_ionic_dressed, (min_number_ionic:max_number_ionic, N_states) ]
implicit none
integer :: i,j,istate,k
double precision :: accu
do j = min_number_ionic, max_number_ionic
do istate = 1, N_states
accu = 0.d0
do k = 1, ionic_index(j,0)
accu += psi_ref_coef_dressed(ionic_index(j,k),istate) **2
enddo
normalization_factor_ionic_dressed(j,istate) = 1.d0/dsqrt(accu)
enddo
enddo
END_PROVIDER