mirror of
https://github.com/QuantumPackage/qp2.git
synced 2024-12-22 03:23:29 +01:00
272 lines
6.7 KiB
Fortran
272 lines
6.7 KiB
Fortran
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! ---
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BEGIN_PROVIDER [double precision, ao_two_e_vartc_tot, (ao_num, ao_num, ao_num, ao_num) ]
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integer :: i, j, k, l
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provide j1b_type
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provide mo_r_coef mo_l_coef
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do j = 1, ao_num
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do l = 1, ao_num
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do i = 1, ao_num
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do k = 1, ao_num
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ao_two_e_vartc_tot(k,i,l,j) = ao_vartc_int_chemist(k,i,l,j)
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enddo
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enddo
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enddo
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enddo
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [double precision, ao_two_e_tc_tot, (ao_num, ao_num, ao_num, ao_num) ]
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BEGIN_DOC
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!
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! ao_two_e_tc_tot(k,i,l,j) = (ki|V^TC(r_12)|lj) = <lk| V^TC(r_12) |ji> where V^TC(r_12) is the total TC operator
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!
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! including both hermitian and non hermitian parts. THIS IS IN CHEMIST NOTATION.
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!
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! WARNING :: non hermitian ! acts on "the right functions" (i,j)
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!
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END_DOC
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integer :: i, j, k, l
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double precision :: integral_sym, integral_nsym
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double precision, external :: get_ao_tc_sym_two_e_pot
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provide j1b_type
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if(j1b_type .eq. 3) then
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do j = 1, ao_num
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do l = 1, ao_num
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do i = 1, ao_num
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do k = 1, ao_num
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ao_two_e_tc_tot(k,i,l,j) = ao_tc_int_chemist(k,i,l,j)
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!write(222,*) ao_two_e_tc_tot(k,i,l,j)
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enddo
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enddo
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enddo
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enddo
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else
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PROVIDE ao_tc_sym_two_e_pot_in_map
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do j = 1, ao_num
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do l = 1, ao_num
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do i = 1, ao_num
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do k = 1, ao_num
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integral_sym = get_ao_tc_sym_two_e_pot(i, j, k, l, ao_tc_sym_two_e_pot_map)
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! ao_non_hermit_term_chemist(k,i,l,j) = < k l | [erf( mu r12) - 1] d/d_r12 | i j > on the AO basis
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integral_nsym = ao_non_hermit_term_chemist(k,i,l,j)
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!print *, ' sym integ = ', integral_sym
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!print *, ' non-sym integ = ', integral_nsym
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ao_two_e_tc_tot(k,i,l,j) = integral_sym + integral_nsym
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!write(111,*) ao_two_e_tc_tot(k,i,l,j)
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enddo
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enddo
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enddo
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enddo
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endif
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END_PROVIDER
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! ---
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double precision function bi_ortho_mo_ints(l, k, j, i)
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BEGIN_DOC
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!
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! <mo^L_k mo^L_l | V^TC(r_12) | mo^R_i mo^R_j>
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!
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! WARNING :: very naive, super slow, only used to DEBUG.
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!
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END_DOC
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implicit none
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integer, intent(in) :: i, j, k, l
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integer :: m, n, p, q
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bi_ortho_mo_ints = 0.d0
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do m = 1, ao_num
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do p = 1, ao_num
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do n = 1, ao_num
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do q = 1, ao_num
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! p1h1p2h2 l1 l2 r1 r2
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bi_ortho_mo_ints += ao_two_e_tc_tot(n,q,m,p) * mo_l_coef(m,l) * mo_l_coef(n,k) * mo_r_coef(p,j) * mo_r_coef(q,i)
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enddo
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enddo
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enddo
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enddo
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end function bi_ortho_mo_ints
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! ---
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! TODO :: transform into DEGEMM
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BEGIN_PROVIDER [double precision, mo_bi_ortho_tc_two_e_chemist, (mo_num, mo_num, mo_num, mo_num)]
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BEGIN_DOC
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!
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! mo_bi_ortho_tc_two_e_chemist(k,i,l,j) = <k l|V(r_12)|i j> where i,j are right MOs and k,l are left MOs
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!
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END_DOC
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implicit none
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integer :: i, j, k, l, m, n, p, q
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double precision, allocatable :: mo_tmp_1(:,:,:,:), mo_tmp_2(:,:,:,:)
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allocate(mo_tmp_1(mo_num,ao_num,ao_num,ao_num))
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mo_tmp_1 = 0.d0
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do m = 1, ao_num
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do p = 1, ao_num
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do n = 1, ao_num
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do q = 1, ao_num
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do k = 1, mo_num
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! (k n|p m) = sum_q c_qk * (q n|p m)
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mo_tmp_1(k,n,p,m) += mo_l_coef_transp(k,q) * ao_two_e_tc_tot(q,n,p,m)
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enddo
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enddo
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enddo
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enddo
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enddo
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allocate(mo_tmp_2(mo_num,mo_num,ao_num,ao_num))
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mo_tmp_2 = 0.d0
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do m = 1, ao_num
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do p = 1, ao_num
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do n = 1, ao_num
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do i = 1, mo_num
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do k = 1, mo_num
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! (k i|p m) = sum_n c_ni * (k n|p m)
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mo_tmp_2(k,i,p,m) += mo_r_coef_transp(i,n) * mo_tmp_1(k,n,p,m)
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enddo
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enddo
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enddo
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enddo
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enddo
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deallocate(mo_tmp_1)
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allocate(mo_tmp_1(mo_num,mo_num,mo_num,ao_num))
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mo_tmp_1 = 0.d0
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do m = 1, ao_num
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do p = 1, ao_num
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do l = 1, mo_num
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do i = 1, mo_num
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do k = 1, mo_num
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mo_tmp_1(k,i,l,m) += mo_l_coef_transp(l,p) * mo_tmp_2(k,i,p,m)
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enddo
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enddo
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enddo
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enddo
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enddo
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deallocate(mo_tmp_2)
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mo_bi_ortho_tc_two_e_chemist = 0.d0
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do m = 1, ao_num
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do j = 1, mo_num
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do l = 1, mo_num
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do i = 1, mo_num
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do k = 1, mo_num
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mo_bi_ortho_tc_two_e_chemist(k,i,l,j) += mo_r_coef_transp(j,m) * mo_tmp_1(k,i,l,m)
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enddo
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enddo
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enddo
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enddo
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enddo
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deallocate(mo_tmp_1)
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [double precision, mo_bi_ortho_tc_two_e, (mo_num, mo_num, mo_num, mo_num)]
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BEGIN_DOC
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!
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! mo_bi_ortho_tc_two_e(k,l,i,j) = <k l| V(r_12) |i j> where i,j are right MOs and k,l are left MOs
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!
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! the potential V(r_12) contains ALL TWO-E CONTRIBUTION OF THE TC-HAMILTONIAN
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!
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END_DOC
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implicit none
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integer :: i, j, k, l
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do j = 1, mo_num
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do i = 1, mo_num
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do l = 1, mo_num
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do k = 1, mo_num
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! < k l | V12 | i j > (k i|l j)
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mo_bi_ortho_tc_two_e(k,l,i,j) = mo_bi_ortho_tc_two_e_chemist(k,i,l,j)
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enddo
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enddo
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enddo
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enddo
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END_PROVIDER
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! ---
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BEGIN_PROVIDER [ double precision, mo_bi_ortho_tc_two_e_jj, (mo_num,mo_num) ]
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&BEGIN_PROVIDER [ double precision, mo_bi_ortho_tc_two_e_jj_exchange, (mo_num,mo_num) ]
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&BEGIN_PROVIDER [ double precision, mo_bi_ortho_tc_two_e_jj_anti, (mo_num,mo_num) ]
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implicit none
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BEGIN_DOC
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! mo_bi_ortho_tc_two_e_jj(i,j) = J_ij = <ji|W-K|ji>
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! mo_bi_ortho_tc_two_e_jj_exchange(i,j) = K_ij = <ij|W-K|ji>
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! mo_bi_ortho_tc_two_e_jj_anti(i,j) = J_ij - K_ij
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END_DOC
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integer :: i,j
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double precision :: get_two_e_integral
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mo_bi_ortho_tc_two_e_jj = 0.d0
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mo_bi_ortho_tc_two_e_jj_exchange = 0.d0
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do i=1,mo_num
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do j=1,mo_num
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mo_bi_ortho_tc_two_e_jj(i,j) = mo_bi_ortho_tc_two_e(j,i,j,i)
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mo_bi_ortho_tc_two_e_jj_exchange(i,j) = mo_bi_ortho_tc_two_e(i,j,j,i)
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mo_bi_ortho_tc_two_e_jj_anti(i,j) = mo_bi_ortho_tc_two_e_jj(i,j) - mo_bi_ortho_tc_two_e_jj_exchange(i,j)
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enddo
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enddo
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END_PROVIDER
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BEGIN_PROVIDER [double precision, tc_2e_3idx_coulomb_integrals, (mo_num,mo_num, mo_num)]
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&BEGIN_PROVIDER [double precision, tc_2e_3idx_exchange_integrals,(mo_num,mo_num, mo_num)]
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implicit none
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BEGIN_DOC
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! tc_2e_3idx_coulomb_integrals(j,k,i) = <jk|ji>
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!
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! tc_2e_3idx_exchange_integrals(j,k,i) = <kj|ji>
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END_DOC
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integer :: i,j,k,l
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double precision :: get_two_e_integral
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double precision :: integral
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do i = 1, mo_num
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do k = 1, mo_num
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do j = 1, mo_num
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tc_2e_3idx_coulomb_integrals(j, k,i) = mo_bi_ortho_tc_two_e(j ,k ,j ,i )
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tc_2e_3idx_exchange_integrals(j,k,i) = mo_bi_ortho_tc_two_e(k ,j ,j ,i )
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enddo
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enddo
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enddo
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END_PROVIDER
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