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mirror of https://github.com/LCPQ/quantum_package synced 2024-12-22 12:23:48 +01:00

Fixed one-body DM

This commit is contained in:
Anthony Scemama 2017-12-08 17:02:26 +01:00
parent f93cfb8a6f
commit 660e87bb30

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@ -99,7 +99,7 @@ END_PROVIDER
! Alpha and beta one-body density matrix for each state
END_DOC
integer :: j,k,l,m
integer :: j,k,l,m,k_a,k_b
integer :: occ(N_int*bit_kind_size,2)
double precision :: ck, cl, ckl
double precision :: phase
@ -114,7 +114,7 @@ END_PROVIDER
one_body_dm_mo_alpha = 0.d0
one_body_dm_mo_beta = 0.d0
!$OMP PARALLEL DEFAULT(NONE) &
!$OMP PRIVATE(j,k,l,m,occ,ck, cl, ckl,phase,h1,h2,p1,p2,s1,s2, degree,exc, &
!$OMP PRIVATE(j,k,k_a,k_b,l,m,occ,ck, cl, ckl,phase,h1,h2,p1,p2,s1,s2, degree,exc, &
!$OMP tmp_a, tmp_b, n_occ, krow, kcol, lrow, lcol, tmp_det, tmp_det2)&
!$OMP SHARED(psi_det,psi_coef,N_int,N_states,elec_alpha_num,&
!$OMP elec_beta_num,one_body_dm_mo_alpha,one_body_dm_mo_beta,N_det,&
@ -124,28 +124,31 @@ END_PROVIDER
!$OMP psi_bilinear_matrix_values, psi_bilinear_matrix_transp_values)
allocate(tmp_a(mo_tot_num,mo_tot_num,N_states), tmp_b(mo_tot_num,mo_tot_num,N_states) )
tmp_a = 0.d0
tmp_b = 0.d0
!$OMP DO SCHEDULE(guided)
do k=1,N_det
krow = psi_bilinear_matrix_rows(k)
kcol = psi_bilinear_matrix_columns(k)
tmp_det(:,1) = psi_det_alpha_unique(:,krow)
tmp_det(:,2) = psi_det_beta_unique (:,kcol)
!$OMP DO SCHEDULE(dynamic,64)
do k_a=1,N_det
krow = psi_bilinear_matrix_rows(k_a)
ASSERT (krow <= N_det_alpha_unique)
kcol = psi_bilinear_matrix_columns(k_a)
ASSERT (kcol <= N_det_beta_unique)
tmp_det(1:N_int,1) = psi_det_alpha_unique(1:N_int,krow)
tmp_det(1:N_int,2) = psi_det_beta_unique (1:N_int,kcol)
! Diagonal part
! -------------
call bitstring_to_list_ab(tmp_det, occ, n_occ, N_int)
do m=1,N_states
ck = psi_bilinear_matrix_values(k,m)*psi_bilinear_matrix_values(k,m)
ck = psi_bilinear_matrix_values(k_a,m)*psi_bilinear_matrix_values(k_a,m)
do l=1,elec_alpha_num
j = occ(l,1)
tmp_a(j,j,m) += ck
enddo
do l=1,elec_beta_num
j = occ(l,2)
tmp_b(j,j,m) += ck
enddo
enddo
if (k == N_det) cycle
l = k+1
if (k_a == N_det) cycle
l = k_a+1
lrow = psi_bilinear_matrix_rows(l)
lcol = psi_bilinear_matrix_columns(l)
! Fix beta determinant, loop over alphas
@ -157,7 +160,7 @@ END_PROVIDER
call get_mono_excitation_spin(tmp_det(1,1),tmp_det2,exc,phase,N_int)
call decode_exc_spin(exc,h1,p1,h2,p2)
do m=1,N_states
ckl = psi_bilinear_matrix_values(k,m)*psi_bilinear_matrix_values(l,m) * phase
ckl = psi_bilinear_matrix_values(k_a,m)*psi_bilinear_matrix_values(l,m) * phase
tmp_a(h1,p1,m) += ckl
tmp_a(p1,h1,m) += ckl
enddo
@ -168,20 +171,52 @@ END_PROVIDER
lcol = psi_bilinear_matrix_columns(l)
enddo
l = psi_bilinear_matrix_order_reverse(k)
if (l == N_det) cycle
l = l+1
! Fix alpha determinant, loop over betas
enddo
!$OMP END DO NOWAIT
!$OMP CRITICAL
one_body_dm_mo_alpha(:,:,:) = one_body_dm_mo_alpha(:,:,:) + tmp_a(:,:,:)
!$OMP END CRITICAL
deallocate(tmp_a)
tmp_b = 0.d0
!$OMP DO SCHEDULE(dynamic,64)
do k_b=1,N_det
krow = psi_bilinear_matrix_transp_rows(k_b)
ASSERT (krow <= N_det_alpha_unique)
kcol = psi_bilinear_matrix_transp_columns(k_b)
ASSERT (kcol <= N_det_beta_unique)
tmp_det(1:N_int,1) = psi_det_alpha_unique(1:N_int,krow)
tmp_det(1:N_int,2) = psi_det_beta_unique (1:N_int,kcol)
! Diagonal part
! -------------
call bitstring_to_list_ab(tmp_det, occ, n_occ, N_int)
do m=1,N_states
ck = psi_bilinear_matrix_transp_values(k_b,m)*psi_bilinear_matrix_transp_values(k_b,m)
do l=1,elec_beta_num
j = occ(l,2)
tmp_b(j,j,m) += ck
enddo
enddo
if (k_b == N_det) cycle
l = k_b+1
lrow = psi_bilinear_matrix_transp_rows(l)
lcol = psi_bilinear_matrix_transp_columns(l)
! Fix beta determinant, loop over alphas
do while ( lrow == krow )
tmp_det2(:) = psi_det_beta_unique (:, lcol)
tmp_det2(:) = psi_det_beta_unique(:, lcol)
call get_excitation_degree_spin(tmp_det(1,2),tmp_det2,degree,N_int)
if (degree == 1) then
exc = 0
call get_mono_excitation_spin(tmp_det(1,2),tmp_det2,exc,phase,N_int)
call decode_exc_spin(exc,h1,p1,h2,p2)
do m=1,N_states
ckl = psi_bilinear_matrix_values(k,m)*psi_bilinear_matrix_transp_values(l,m) * phase
ckl = psi_bilinear_matrix_transp_values(k_b,m)*psi_bilinear_matrix_transp_values(l,m) * phase
tmp_b(h1,p1,m) += ckl
tmp_b(p1,h1,m) += ckl
enddo
@ -195,12 +230,10 @@ END_PROVIDER
enddo
!$OMP END DO NOWAIT
!$OMP CRITICAL
one_body_dm_mo_alpha(:,:,:) = one_body_dm_mo_alpha(:,:,:) + tmp_a(:,:,:)
!$OMP END CRITICAL
!$OMP CRITICAL
one_body_dm_mo_beta(:,:,:) = one_body_dm_mo_beta(:,:,:) + tmp_b(:,:,:)
!$OMP END CRITICAL
deallocate(tmp_a,tmp_b)
deallocate(tmp_b)
!$OMP END PARALLEL
END_PROVIDER