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hartree_local_methods.F
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1!--------------------------------------------------------------------------------------------------!
2! CP2K: A general program to perform molecular dynamics simulations !
3! Copyright 2000-2026 CP2K developers group <https://cp2k.org> !
4! !
5! SPDX-License-Identifier: GPL-2.0-or-later !
6!--------------------------------------------------------------------------------------------------!
7! **************************************************************************************************
8MODULE hartree_local_methods
9 USE atomic_kind_types, ONLY: atomic_kind_type,&
10 get_atomic_kind
11 USE basis_set_types, ONLY: get_gto_basis_set,&
12 gto_basis_set_type
13 USE cell_types, ONLY: cell_type
14 USE cp_control_types, ONLY: dft_control_type
15 USE hartree_local_types, ONLY: allocate_ecoul_1center,&
16 ecoul_1center_type,&
17 hartree_local_type,&
18 set_ecoul_1c
19 USE kinds, ONLY: dp
20 USE mathconstants, ONLY: fourpi,&
21 pi
22 USE message_passing, ONLY: mp_para_env_type
23 USE orbital_pointers, ONLY: indso,&
24 nsoset
25 USE pw_env_types, ONLY: pw_env_get,&
26 pw_env_type
27 USE pw_poisson_types, ONLY: pw_poisson_periodic,&
28 pw_poisson_type
29 USE qs_charges_types, ONLY: qs_charges_type
30 USE qs_cneo_methods, ONLY: vh_1c_nuc_integrals,&
31 calculate_rhoz_cneo
32 USE qs_cneo_types, ONLY: cneo_potential_type,&
33 rhoz_cneo_type
34 USE qs_environment_types, ONLY: get_qs_env,&
35 qs_environment_type
36 USE qs_grid_atom, ONLY: grid_atom_type
37 USE qs_harmonics_atom, ONLY: get_none0_cg_list,&
38 harmonics_atom_type
39 USE qs_kind_types, ONLY: get_qs_kind,&
40 get_qs_kind_set,&
41 qs_kind_type
42 USE qs_local_rho_types, ONLY: get_local_rho,&
43 local_rho_type,&
44 rhoz_type
45 USE qs_rho0_types, ONLY: get_rho0_mpole,&
46 rho0_atom_type,&
47 rho0_mpole_type
48 USE qs_rho_atom_types, ONLY: get_rho_atom,&
49 rho_atom_coeff,&
50 rho_atom_type
51 USE util, ONLY: get_limit
52#include "./base/base_uses.f90"
53
54 IMPLICIT NONE
55
56 PRIVATE
57
58 CHARACTER(len=*), PARAMETER, PRIVATE :: moduleN = 'hartree_local_methods'
59
60 ! Public Subroutine
61
62 PUBLIC :: init_coulomb_local, calculate_vh_1center, vh_1c_gg_integrals
63
64CONTAINS
65
66! **************************************************************************************************
67!> \brief ...
68!> \param hartree_local ...
69!> \param natom ...
70! **************************************************************************************************
71 SUBROUTINE init_coulomb_local(hartree_local, natom)
72
73 TYPE(hartree_local_type), POINTER :: hartree_local
74 INTEGER, INTENT(IN) :: natom
75
76 CHARACTER(len=*), PARAMETER :: routinen = 'init_coulomb_local'
77
78 INTEGER :: handle
79 TYPE(ecoul_1center_type), DIMENSION(:), POINTER :: ecoul_1c
80
81 CALL timeset(routinen, handle)
82
83 NULLIFY (ecoul_1c)
84 ! Allocate and Initialize 1-center Potentials and Integrals
85 CALL allocate_ecoul_1center(ecoul_1c, natom)
86 hartree_local%ecoul_1c => ecoul_1c
87
88 CALL timestop(handle)
89
90 END SUBROUTINE init_coulomb_local
91
92! **************************************************************************************************
93!> \brief Calculates Hartree potential for hard and soft densities (including
94!> nuclear charge and compensation charges) using numerical integration
95!> \param vrad_h ...
96!> \param vrad_s ...
97!> \param rrad_h ...
98!> \param rrad_s ...
99!> \param rrad_0 ...
100!> \param rrad_z ...
101!> \param grid_atom ...
102!> \par History
103!> 05.2012 JGH refactoring
104!> \author ??
105! **************************************************************************************************
106 SUBROUTINE calculate_vh_1center(vrad_h, vrad_s, rrad_h, rrad_s, rrad_0, rrad_z, grid_atom)
107
108 REAL(dp), DIMENSION(:, :), INTENT(INOUT) :: vrad_h, vrad_s
109 TYPE(rho_atom_coeff), DIMENSION(:), INTENT(IN) :: rrad_h, rrad_s
110 REAL(dp), DIMENSION(:, :), INTENT(IN) :: rrad_0
111 REAL(dp), DIMENSION(:), INTENT(IN) :: rrad_z
112 TYPE(grid_atom_type), POINTER :: grid_atom
113
114 CHARACTER(len=*), PARAMETER :: routinen = 'calculate_Vh_1center'
115
116 INTEGER :: handle, ir, iso, ispin, l_ang, &
117 max_s_harm, nchannels, nr, nspins
118 REAL(dp) :: i1_down, i1_up, i2_down, i2_up, prefactor
119 REAL(dp), ALLOCATABLE, DIMENSION(:) :: rho_1, rho_2
120 REAL(dp), DIMENSION(:), POINTER :: wr
121 REAL(dp), DIMENSION(:, :), POINTER :: oor2l, r2l
122
123 CALL timeset(routinen, handle)
124
125 nr = grid_atom%nr
126 max_s_harm = SIZE(vrad_h, 2)
127 nspins = SIZE(rrad_h, 1)
128 nchannels = SIZE(rrad_0, 2)
129
130 r2l => grid_atom%rad2l
131 oor2l => grid_atom%oorad2l
132 wr => grid_atom%wr
133
134 ALLOCATE (rho_1(nr), rho_2(nr))
135
136 DO iso = 1, max_s_harm
137 rho_1(:) = 0.0_dp
138 rho_2(:) = 0.0_dp
139 IF (iso == 1) rho_1(:) = rrad_z(:)
140 IF (iso <= nchannels) rho_2(:) = rrad_0(:, iso)
141 DO ispin = 1, nspins
142 rho_1(:) = rho_1(:) + rrad_h(ispin)%r_coef(:, iso)
143 rho_2(:) = rho_2(:) + rrad_s(ispin)%r_coef(:, iso)
144 END DO
145
146 l_ang = indso(1, iso)
147 prefactor = fourpi/(2._dp*l_ang + 1._dp)
148
149 rho_1(:) = rho_1(:)*wr(:)
150 rho_2(:) = rho_2(:)*wr(:)
151
152 i1_up = 0.0_dp
153 i1_down = 0.0_dp
154 i2_up = 0.0_dp
155 i2_down = 0.0_dp
156
157 i1_up = r2l(nr, l_ang)*rho_1(nr)
158 i2_up = r2l(nr, l_ang)*rho_2(nr)
159
160 DO ir = nr - 1, 1, -1
161 i1_down = i1_down + oor2l(ir, l_ang + 1)*rho_1(ir)
162 i2_down = i2_down + oor2l(ir, l_ang + 1)*rho_2(ir)
163 END DO
164
165 vrad_h(nr, iso) = vrad_h(nr, iso) + prefactor* &
166 (oor2l(nr, l_ang + 1)*i1_up + r2l(nr, l_ang)*i1_down)
167 vrad_s(nr, iso) = vrad_s(nr, iso) + prefactor* &
168 (oor2l(nr, l_ang + 1)*i2_up + r2l(nr, l_ang)*i2_down)
169
170 DO ir = nr - 1, 1, -1
171 i1_up = i1_up + r2l(ir, l_ang)*rho_1(ir)
172 i1_down = i1_down - oor2l(ir, l_ang + 1)*rho_1(ir)
173 i2_up = i2_up + r2l(ir, l_ang)*rho_2(ir)
174 i2_down = i2_down - oor2l(ir, l_ang + 1)*rho_2(ir)
175
176 vrad_h(ir, iso) = vrad_h(ir, iso) + prefactor* &
177 (oor2l(ir, l_ang + 1)*i1_up + r2l(ir, l_ang)*i1_down)
178 vrad_s(ir, iso) = vrad_s(ir, iso) + prefactor* &
179 (oor2l(ir, l_ang + 1)*i2_up + r2l(ir, l_ang)*i2_down)
180
181 END DO
182
183 END DO
184
185 DEALLOCATE (rho_1, rho_2)
186
187 CALL timestop(handle)
188
189 END SUBROUTINE calculate_vh_1center
190
191! **************************************************************************************************
192!> \brief Calculates one center GAPW Hartree energies and matrix elements
193!> Hartree potentials are input
194!> Takes possible background charge into account
195!> Special case for densities without core charge
196!> \param qs_env ...
197!> \param energy_hartree_1c ...
198!> \param ecoul_1c ...
199!> \param local_rho_set ...
200!> \param para_env ...
201!> \param tddft ...
202!> \param local_rho_set_2nd ...
203!> \param core_2nd ...
204!> \par History
205!> 05.2012 JGH refactoring
206!> \author ??
207! **************************************************************************************************
208 SUBROUTINE vh_1c_gg_integrals(qs_env, energy_hartree_1c, ecoul_1c, local_rho_set, para_env, tddft, local_rho_set_2nd, &
209 core_2nd)
210
211 TYPE(qs_environment_type), POINTER :: qs_env
212 REAL(kind=dp), INTENT(out) :: energy_hartree_1c
213 TYPE(ecoul_1center_type), DIMENSION(:), POINTER :: ecoul_1c
214 TYPE(local_rho_type), POINTER :: local_rho_set
215 TYPE(mp_para_env_type), POINTER :: para_env
216 LOGICAL, INTENT(IN) :: tddft
217 TYPE(local_rho_type), OPTIONAL, POINTER :: local_rho_set_2nd
218 LOGICAL, INTENT(IN), OPTIONAL :: core_2nd
219
220 CHARACTER(LEN=*), PARAMETER :: routinen = 'Vh_1c_gg_integrals'
221
222 INTEGER :: bo(2), handle, iat, iatom, ikind, ipgf1, is1, iset1, iso, l_ang, llmax, &
223 llmax_nuc, lmax0, lmax0_2nd, lmax_0, m1, max_iso, max_iso_not0, max_iso_not0_nuc, &
224 max_s_harm, max_s_harm_nuc, maxl, maxl_nuc, maxso, maxso_nuc, mepos, n1, nat, nchan_0, &
225 nkind, nr, nset, nset_nuc, nsotot, nsotot_nuc, nspins, num_pe
226 INTEGER, ALLOCATABLE, DIMENSION(:) :: cg_n_list
227 INTEGER, ALLOCATABLE, DIMENSION(:, :, :) :: cg_list
228 INTEGER, DIMENSION(:), POINTER :: atom_list, lmax, lmax_nuc, lmin, &
229 lmin_nuc, npgf, npgf_nuc
230 LOGICAL :: cneo, core_charge, l_2nd_local_rho, &
231 my_core_2nd, my_periodic, paw_atom
232 REAL(dp) :: back_ch, ecoul_1_z_cneo, factor
233 REAL(dp), ALLOCATABLE, DIMENSION(:) :: gexp, sqrtwr
234 REAL(dp), ALLOCATABLE, DIMENSION(:, :) :: avh1b_00, avh1b_00_nuc, avh1b_hh, &
235 avh1b_hh_nuc, avh1b_ss, avh1b_ss_nuc, &
236 g0_h_w
237 REAL(dp), DIMENSION(:), POINTER :: rrad_z, vrrad_z
238 REAL(dp), DIMENSION(:, :), POINTER :: g0_h, g0_h_2nd, gsph, gsph_nuc, rrad_0, &
239 vh1_h, vh1_s, vrrad_0, zet, zet_nuc
240 REAL(dp), DIMENSION(:, :, :), POINTER :: my_cg, qlm_gg, qlm_gg_2nd
241 TYPE(atomic_kind_type), DIMENSION(:), POINTER :: atomic_kind_set
242 TYPE(cell_type), POINTER :: cell
243 TYPE(cneo_potential_type), POINTER :: cneo_potential
244 TYPE(dft_control_type), POINTER :: dft_control
245 TYPE(grid_atom_type), POINTER :: grid_atom
246 TYPE(gto_basis_set_type), POINTER :: basis_1c, nuc_basis
247 TYPE(harmonics_atom_type), POINTER :: harmonics
248 TYPE(pw_env_type), POINTER :: pw_env
249 TYPE(pw_poisson_type), POINTER :: poisson_env
250 TYPE(qs_charges_type), POINTER :: qs_charges
251 TYPE(qs_kind_type), DIMENSION(:), POINTER :: qs_kind_set
252 TYPE(rho0_atom_type), DIMENSION(:), POINTER :: rho0_atom_set, rho0_atom_set_2nd
253 TYPE(rho0_mpole_type), POINTER :: rho0_mpole, rho0_mpole_2nd
254 TYPE(rho_atom_type), DIMENSION(:), POINTER :: rho_atom_set, rho_atom_set_2nd
255 TYPE(rho_atom_type), POINTER :: rho_atom
256 TYPE(rhoz_cneo_type), DIMENSION(:), POINTER :: rhoz_cneo_set
257 TYPE(rhoz_cneo_type), POINTER :: rhoz_cneo
258 TYPE(rhoz_type), DIMENSION(:), POINTER :: rhoz_set, rhoz_set_2nd
259
260 CALL timeset(routinen, handle)
261
262 NULLIFY (cell, dft_control, poisson_env, pw_env, qs_charges)
263 NULLIFY (atomic_kind_set, qs_kind_set, rho_atom_set, rho0_atom_set)
264 NULLIFY (rho0_mpole, rhoz_set)
265 NULLIFY (atom_list, grid_atom, harmonics)
266 NULLIFY (basis_1c, lmin, lmax, npgf, zet)
267 NULLIFY (gsph)
268 NULLIFY (rhoz_cneo, rhoz_cneo_set)
269
270 CALL get_qs_env(qs_env=qs_env, &
271 cell=cell, dft_control=dft_control, &
272 atomic_kind_set=atomic_kind_set, &
273 qs_kind_set=qs_kind_set, &
274 pw_env=pw_env, qs_charges=qs_charges)
275
276 CALL pw_env_get(pw_env, poisson_env=poisson_env)
277 my_periodic = (poisson_env%method == pw_poisson_periodic)
278
279 back_ch = qs_charges%background*cell%deth
280
281 ! rhoz_set is not accessed in TDDFT
282 CALL get_local_rho(local_rho_set, rho_atom_set, rho0_atom_set, rho0_mpole, rhoz_set, &
283 rhoz_cneo_set) ! for integral space
284
285 ! for forces we need a second local_rho_set
286 l_2nd_local_rho = .false.
287 IF (PRESENT(local_rho_set_2nd)) THEN ! for potential
288 l_2nd_local_rho = .true.
289 NULLIFY (rho_atom_set_2nd, rho0_atom_set_2nd, rhoz_set_2nd) ! for potential
290 CALL get_local_rho(local_rho_set_2nd, rho_atom_set_2nd, rho0_atom_set_2nd, rho0_mpole_2nd, rhoz_set=rhoz_set_2nd)
291 END IF
292
293 nkind = SIZE(atomic_kind_set, 1)
294 nspins = dft_control%nspins
295
296 core_charge = .NOT. tddft ! for forces mixed version
297 my_core_2nd = .true.
298 IF (PRESENT(core_2nd)) my_core_2nd = .NOT. core_2nd ! if my_core_2nd true, include core charge
299
300 ! The aim of the following code was to return immediately if the subroutine
301 ! was called for triplet excited states in spin-restricted case. This check
302 ! is also performed before invocation of this subroutine. It should be save
303 ! to remove the optional argument 'do_triplet' from the subroutine interface.
304 !IF (tddft) THEN
305 ! CPASSERT(PRESENT(do_triplet))
306 ! IF (nspins == 1 .AND. do_triplet) RETURN
307 !END IF
308
309 CALL get_qs_kind_set(qs_kind_set, maxg_iso_not0=max_iso)
310 CALL get_rho0_mpole(rho0_mpole=rho0_mpole, lmax_0=lmax_0)
311
312 ! Put to 0 the local hartree energy contribution from 1 center integrals
313 energy_hartree_1c = 0.0_dp
314 ! Restore total quantum nuclear density to zero
315 qs_charges%total_rho1_hard_nuc = 0.0_dp
316 rho0_mpole%tot_rhoz_cneo_s = 0.0_dp
317
318 ! Here starts the loop over all the atoms
319 DO ikind = 1, nkind
320
321 CALL get_atomic_kind(atomic_kind_set(ikind), atom_list=atom_list, natom=nat)
322 NULLIFY (cneo_potential)
323 CALL get_qs_kind(qs_kind_set(ikind), &
324 grid_atom=grid_atom, &
325 harmonics=harmonics, ngrid_rad=nr, &
326 max_iso_not0=max_iso_not0, paw_atom=paw_atom, &
327 cneo_potential=cneo_potential)
328 CALL get_qs_kind(qs_kind_set(ikind), &
329 basis_set=basis_1c, basis_type="GAPW_1C")
330
331 cneo = ASSOCIATED(cneo_potential)
332 IF (cneo .AND. tddft) THEN
333 cpabort("Electronic TDDFT with CNEO quantum nuclei is not implemented.")
334 END IF
335
336 NULLIFY (nuc_basis)
337 max_iso_not0_nuc = 0
338 IF (cneo) THEN
339 cpassert(paw_atom)
340 CALL get_qs_kind(qs_kind_set(ikind), &
341 basis_set=nuc_basis, basis_type="NUC")
342 max_iso_not0_nuc = cneo_potential%harmonics%max_iso_not0
343 END IF
344
345 IF (paw_atom) THEN
346!=========== PAW ===============
347 CALL get_gto_basis_set(gto_basis_set=basis_1c, lmax=lmax, lmin=lmin, &
348 maxso=maxso, npgf=npgf, maxl=maxl, &
349 nset=nset, zet=zet)
350
351 max_s_harm = harmonics%max_s_harm
352 llmax = harmonics%llmax
353
354 nsotot = maxso*nset
355 ALLOCATE (gsph(nr, nsotot))
356 ALLOCATE (gexp(nr))
357 ALLOCATE (sqrtwr(nr), g0_h_w(nr, 0:lmax_0))
358
359 ALLOCATE (avh1b_hh(nsotot, nsotot))
360 ALLOCATE (avh1b_ss(nsotot, nsotot))
361 ALLOCATE (avh1b_00(nsotot, nsotot))
362
363 NULLIFY (qlm_gg, g0_h)
364 CALL get_rho0_mpole(rho0_mpole=rho0_mpole, ikind=ikind, &
365 l0_ikind=lmax0, &
366 qlm_gg=qlm_gg, g0_h=g0_h) ! Qlm_gg of density
367
368 IF (PRESENT(local_rho_set_2nd)) THEN ! for potential
369 NULLIFY (qlm_gg_2nd, g0_h_2nd)
370 CALL get_rho0_mpole(rho0_mpole=rho0_mpole_2nd, ikind=ikind, &
371 l0_ikind=lmax0_2nd, &
372 qlm_gg=qlm_gg_2nd, g0_h=g0_h_2nd) ! Qlm_gg of density
373 END IF
374 nchan_0 = nsoset(lmax0)
375
376 IF (nchan_0 > max(max_iso_not0, max_iso_not0_nuc)) THEN
377 cpabort("channels for rho0 > # max of spherical harmonics")
378 END IF
379
380 NULLIFY (vh1_h, vh1_s)
381 ALLOCATE (vh1_h(nr, max_iso_not0))
382 ALLOCATE (vh1_s(nr, max(max_iso_not0, max_iso_not0_nuc, nchan_0)))
383
384 NULLIFY (lmax_nuc, lmin_nuc, npgf_nuc, zet_nuc, gsph_nuc)
385 maxso_nuc = 0
386 maxl_nuc = -1
387 nset_nuc = 0
388 max_s_harm_nuc = 0
389 llmax_nuc = -1
390 nsotot_nuc = 0
391 IF (cneo) THEN
392 CALL get_gto_basis_set(gto_basis_set=nuc_basis, lmax=lmax_nuc, &
393 lmin=lmin_nuc, maxso=maxso_nuc, npgf=npgf_nuc, &
394 maxl=maxl_nuc, nset=nset_nuc, zet=zet_nuc)
395
396 max_s_harm_nuc = cneo_potential%harmonics%max_s_harm
397 llmax_nuc = cneo_potential%harmonics%llmax
398 nsotot_nuc = maxso_nuc*nset_nuc
399 ALLOCATE (gsph_nuc(nr, nsotot_nuc))
400 gsph_nuc = 0.0_dp
401 ALLOCATE (avh1b_hh_nuc(nsotot_nuc, nsotot_nuc))
402 ALLOCATE (avh1b_ss_nuc(nsotot_nuc, nsotot_nuc))
403 ALLOCATE (avh1b_00_nuc(nsotot_nuc, nsotot_nuc))
404 END IF
405
406 ALLOCATE (cg_list(2, nsoset(max(maxl, maxl_nuc))**2, &
407 max(max_s_harm, max_s_harm_nuc)), &
408 cg_n_list(max(max_s_harm, max_s_harm_nuc)))
409
410 NULLIFY (rrad_z, my_cg)
411 my_cg => harmonics%my_CG
412
413 ! set to zero temporary arrays
414 sqrtwr = 0.0_dp
415 g0_h_w = 0.0_dp
416 gexp = 0.0_dp
417 gsph = 0.0_dp
418
419 sqrtwr(1:nr) = sqrt(grid_atom%wr(1:nr))
420 DO l_ang = 0, lmax0
421 g0_h_w(1:nr, l_ang) = g0_h(1:nr, l_ang)*grid_atom%wr(1:nr)
422 END DO
423
424 m1 = 0
425 DO iset1 = 1, nset
426 n1 = nsoset(lmax(iset1))
427 DO ipgf1 = 1, npgf(iset1)
428 gexp(1:nr) = exp(-zet(ipgf1, iset1)*grid_atom%rad2(1:nr))*sqrtwr(1:nr)
429 DO is1 = nsoset(lmin(iset1) - 1) + 1, nsoset(lmax(iset1))
430 iso = is1 + (ipgf1 - 1)*n1 + m1
431 l_ang = indso(1, is1)
432 gsph(1:nr, iso) = grid_atom%rad2l(1:nr, l_ang)*gexp(1:nr)
433 END DO ! is1
434 END DO ! ipgf1
435 m1 = m1 + maxso
436 END DO ! iset1
437
438 IF (cneo) THEN
439 ! initialize nuclear pmat, cpc and e_core to zero
440 DO iat = 1, nat
441 iatom = atom_list(iat)
442 rhoz_cneo_set(iatom)%pmat = 0.0_dp
443 rhoz_cneo_set(iatom)%cpc_h = 0.0_dp
444 rhoz_cneo_set(iatom)%cpc_s = 0.0_dp
445 rhoz_cneo_set(iatom)%e_core = 0.0_dp
446 rhoz_cneo_set(iatom)%ready = .false.
447 END DO
448
449 ! calculate nuclear gsph
450 m1 = 0
451 DO iset1 = 1, nset_nuc
452 n1 = nsoset(lmax_nuc(iset1))
453 DO ipgf1 = 1, npgf_nuc(iset1)
454 gexp(1:nr) = exp(-zet_nuc(ipgf1, iset1)*grid_atom%rad2(1:nr))*sqrtwr(1:nr)
455 DO is1 = nsoset(lmin_nuc(iset1) - 1) + 1, nsoset(lmax_nuc(iset1))
456 iso = is1 + (ipgf1 - 1)*n1 + m1
457 l_ang = indso(1, is1)
458 gsph_nuc(1:nr, iso) = cneo_potential%rad2l(1:nr, l_ang)*gexp(1:nr)
459 END DO ! is1
460 END DO ! ipgf1
461 m1 = m1 + maxso_nuc
462 END DO ! iset1
463 END IF
464
465 ! Distribute the atoms of this kind
466 num_pe = para_env%num_pe
467 mepos = para_env%mepos
468 bo = get_limit(nat, num_pe, mepos)
469
470 DO iat = bo(1), bo(2) !1,nat
471 iatom = atom_list(iat)
472 rho_atom => rho_atom_set(iatom)
473
474 NULLIFY (rrad_z, vrrad_z, rrad_0, vrrad_0)
475 IF (core_charge .AND. .NOT. cneo) THEN
476 rrad_z => rhoz_set(ikind)%r_coef ! for density
477 END IF
478 IF (my_core_2nd .AND. .NOT. cneo) THEN
479 IF (l_2nd_local_rho) THEN
480 vrrad_z => rhoz_set_2nd(ikind)%vr_coef ! for potential
481 ELSE
482 vrrad_z => rhoz_set(ikind)%vr_coef ! for potential
483 END IF
484 END IF
485 rrad_0 => rho0_atom_set(iatom)%rho0_rad_h%r_coef ! for density
486 vrrad_0 => rho0_atom_set(iatom)%vrho0_rad_h%r_coef
487 IF (l_2nd_local_rho) THEN
488 rho_atom => rho_atom_set_2nd(iatom)
489 vrrad_0 => rho0_atom_set_2nd(iatom)%vrho0_rad_h%r_coef ! for potential
490 END IF
491 IF (my_periodic .AND. back_ch > 1.e-3_dp) THEN
492 factor = -2.0_dp*pi/3.0_dp*sqrt(fourpi)*qs_charges%background
493 ELSE
494 factor = 0._dp
495 END IF
496
497 CALL vh_1c_atom_potential(rho_atom, vrrad_0, &
498 grid_atom, my_core_2nd .AND. .NOT. cneo, & ! core charge for potential (2nd)
499 vrrad_z, vh1_h, vh1_s, &
500 nchan_0, nspins, max_iso_not0, factor)
501
502 IF (l_2nd_local_rho) rho_atom => rho_atom_set(iatom) ! rho_atom for density
503
504 ecoul_1_z_cneo = 0.0_dp
505 IF (cneo) THEN
506 rhoz_cneo => rhoz_cneo_set(iatom)
507 ! Add the soft tail of nuclear Hartree potential to total Vh1_s first.
508 ! vrho already contains the -zeff factor.
509 DO iso = 1, max_iso_not0_nuc
510 vh1_s(:, iso) = vh1_s(:, iso) + rhoz_cneo%vrho_rad_s(:, iso)
511 END DO
512
513 ! Build nuclear 1c integrals according to Vh1_h from electronic density only
514 ! and Vh1_s from electron density and last step (or initial guess) nuclear density
515 ! Vh1_h_nuc = -Z*Vh1_h, Vh1_s_nuc = -Z*Vh1_s
516 CALL vh_1c_nuc_integrals(rhoz_cneo, cneo_potential%zeff, &
517 avh1b_hh_nuc, avh1b_ss_nuc, avh1b_00_nuc, vh1_h, vh1_s, &
518 max_iso_not0, max_iso_not0_nuc, &
519 max_s_harm_nuc, llmax_nuc, cg_list, cg_n_list, &
520 nset_nuc, npgf_nuc, lmin_nuc, lmax_nuc, nsotot_nuc, maxso_nuc, &
521 nchan_0, gsph_nuc, g0_h_w, cneo_potential%harmonics%my_CG, &
522 cneo_potential%Qlm_gg)
523
524 ! Solve the nuclear 1c problem
525 CALL calculate_rhoz_cneo(rhoz_cneo, cneo_potential, cg_list, cg_n_list, nset_nuc, &
526 npgf_nuc, lmin_nuc, lmax_nuc, maxl_nuc, maxso_nuc)
527 ! slm_int(iso=1) = sqrt(4*Pi), slm_int(iso>1) = 0, without using Lebedev grid
528 ! when printing, nuclear density is positive, thus needing the minus sign
529 qs_charges%total_rho1_hard_nuc = qs_charges%total_rho1_hard_nuc - sqrt(fourpi) &
530 *sum(rhoz_cneo%rho_rad_h(:, 1)*grid_atom%wr(:))
531 rho0_mpole%tot_rhoz_cneo_s = rho0_mpole%tot_rhoz_cneo_s - sqrt(fourpi) &
532 *sum(rhoz_cneo%rho_rad_s(:, 1)*grid_atom%wr(:))
533
534 ! Calculate the contributions to Ecoul coming from Vh1_h*rhoz_cneo_h and Vh1_s*rhoz_cneo_s.
535 ! Self-interaction of the quantum nucleus is already removed in ecoul_1_z_cneo.
536 ! rho already contains the -zeff factor.
537 DO iso = 1, min(max_iso_not0, max_iso_not0_nuc)
538 ecoul_1_z_cneo = ecoul_1_z_cneo + 0.5_dp* &
539 (sum(vh1_h(:, iso)*rhoz_cneo%rho_rad_h(:, iso)*grid_atom%wr(:)) &
540 - sum(vh1_s(:, iso)*rhoz_cneo%rho_rad_s(:, iso)*grid_atom%wr(:)))
541 END DO
542 DO iso = max_iso_not0 + 1, max_iso_not0_nuc
543 ecoul_1_z_cneo = ecoul_1_z_cneo - 0.5_dp* &
544 sum(vh1_s(:, iso)*rhoz_cneo%rho_rad_s(:, iso)*grid_atom%wr(:))
545 END DO
546
547 ! Add nuclear Hartree potential to total Vh1_h after solving the nuclear 1c problem
548 ! to avoid nuclear self-interaction.
549 ! vrho already contains the -zeff factor.
550 ! Here the min of two max_iso_not0's is chosen, because even when the nuclear one
551 ! is larger, it is meaningless to let Vh1_h have higher angular momentum components
552 ! as Vh1_h now is only used for the electronic part.
553 DO iso = 1, min(max_iso_not0, max_iso_not0_nuc)
554 vh1_h(:, iso) = vh1_h(:, iso) + rhoz_cneo%vrho_rad_h(:, iso)
555 END DO
556 END IF
557
558 CALL vh_1c_atom_energy(energy_hartree_1c, ecoul_1c, rho_atom, rrad_0, &
559 grid_atom, iatom, core_charge .AND. .NOT. cneo, & ! core charge for density
560 rrad_z, vh1_h, vh1_s, nchan_0, nspins, max_iso_not0)
561
562 IF (l_2nd_local_rho) rho_atom => rho_atom_set_2nd(iatom) ! rho_atom for potential (2nd)
563
564 IF (cneo) THEN
565 CALL set_ecoul_1c(ecoul_1c, iatom, ecoul_1_z=ecoul_1c(iatom)%ecoul_1_z + ecoul_1_z_cneo)
566 energy_hartree_1c = energy_hartree_1c + ecoul_1_z_cneo
567 END IF
568
569 CALL vh_1c_atom_integrals(rho_atom, & ! results (int_local_h and int_local_s) written on rho_atom_2nd
570 ! int_local_h and int_local_s are used in update_ks_atom
571 ! on int_local_h mixed core / non-core
572 avh1b_hh, avh1b_ss, avh1b_00, vh1_h, vh1_s, max_iso_not0, &
573 max_s_harm, llmax, cg_list, cg_n_list, &
574 nset, npgf, lmin, lmax, nsotot, maxso, nspins, nchan_0, gsph, &
575 g0_h_w, my_cg, qlm_gg) ! Qlm_gg for density from local_rho_set
576
577 END DO ! iat
578
579 DEALLOCATE (avh1b_hh)
580 DEALLOCATE (avh1b_ss)
581 DEALLOCATE (avh1b_00)
582 IF (ALLOCATED(avh1b_hh_nuc)) DEALLOCATE (avh1b_hh_nuc)
583 IF (ALLOCATED(avh1b_ss_nuc)) DEALLOCATE (avh1b_ss_nuc)
584 IF (ALLOCATED(avh1b_00_nuc)) DEALLOCATE (avh1b_00_nuc)
585 DEALLOCATE (vh1_h, vh1_s)
586 DEALLOCATE (cg_list, cg_n_list)
587 DEALLOCATE (gsph)
588 IF (ASSOCIATED(gsph_nuc)) DEALLOCATE (gsph_nuc)
589 DEALLOCATE (gexp)
590 DEALLOCATE (sqrtwr, g0_h_w)
591
592 IF (cneo) THEN
593 ! broadcast nuclear pmat, cpc and e_core
594 DO iat = 1, nat
595 iatom = atom_list(iat)
596 CALL para_env%sum(rhoz_cneo_set(iatom)%pmat)
597 CALL para_env%sum(rhoz_cneo_set(iatom)%cpc_h)
598 CALL para_env%sum(rhoz_cneo_set(iatom)%cpc_s)
599 CALL para_env%sum(rhoz_cneo_set(iatom)%e_core)
600 rhoz_cneo_set(iatom)%ready = .true.
601 END DO
602 END IF
603 ELSE
604!=========== NO PAW ===============
605! This term is taken care of using the core density as in GPW
606 cycle
607 END IF ! paw
608 END DO ! ikind
609
610 CALL para_env%sum(energy_hartree_1c)
611 CALL para_env%sum(qs_charges%total_rho1_hard_nuc)
612 CALL para_env%sum(rho0_mpole%tot_rhoz_cneo_s)
613
614 CALL timestop(handle)
615
616 END SUBROUTINE vh_1c_gg_integrals
617
618! **************************************************************************************************
619
620! **************************************************************************************************
621!> \brief ...
622!> \param rho_atom ...
623!> \param vrrad_0 ...
624!> \param grid_atom ...
625!> \param core_charge ...
626!> \param vrrad_z ...
627!> \param Vh1_h ...
628!> \param Vh1_s ...
629!> \param nchan_0 ...
630!> \param nspins ...
631!> \param max_iso_not0 ...
632!> \param bfactor ...
633! **************************************************************************************************
634 SUBROUTINE vh_1c_atom_potential(rho_atom, vrrad_0, &
635 grid_atom, core_charge, vrrad_z, Vh1_h, Vh1_s, &
636 nchan_0, nspins, max_iso_not0, bfactor)
637
638 TYPE(rho_atom_type), POINTER :: rho_atom
639 REAL(dp), DIMENSION(:, :), POINTER :: vrrad_0
640 TYPE(grid_atom_type), POINTER :: grid_atom
641 LOGICAL, INTENT(IN) :: core_charge
642 REAL(dp), DIMENSION(:), POINTER :: vrrad_z
643 REAL(dp), DIMENSION(:, :), POINTER :: vh1_h, vh1_s
644 INTEGER, INTENT(IN) :: nchan_0, nspins, max_iso_not0
645 REAL(dp), INTENT(IN) :: bfactor
646
647 INTEGER :: ir, iso, ispin, nr
648 TYPE(rho_atom_coeff), DIMENSION(:), POINTER :: vr_h, vr_s
649
650 nr = grid_atom%nr
651
652 NULLIFY (vr_h, vr_s)
653 CALL get_rho_atom(rho_atom=rho_atom, vrho_rad_h=vr_h, vrho_rad_s=vr_s)
654
655 vh1_h = 0.0_dp
656 vh1_s = 0.0_dp
657
658 IF (core_charge) vh1_h(:, 1) = vrrad_z(:)
659
660 DO iso = 1, nchan_0
661 vh1_s(:, iso) = vrrad_0(:, iso)
662 END DO
663
664 DO ispin = 1, nspins
665 DO iso = 1, max_iso_not0
666 vh1_h(:, iso) = vh1_h(:, iso) + vr_h(ispin)%r_coef(:, iso)
667 vh1_s(:, iso) = vh1_s(:, iso) + vr_s(ispin)%r_coef(:, iso)
668 END DO
669 END DO
670
671 IF (bfactor /= 0._dp) THEN
672 DO ir = 1, nr
673 vh1_h(ir, 1) = vh1_h(ir, 1) + bfactor*grid_atom%rad2(ir)*grid_atom%wr(ir)
674 vh1_s(ir, 1) = vh1_s(ir, 1) + bfactor*grid_atom%rad2(ir)*grid_atom%wr(ir)
675 END DO
676 END IF
677
678 END SUBROUTINE vh_1c_atom_potential
679
680! **************************************************************************************************
681
682! **************************************************************************************************
683!> \brief ...
684!> \param energy_hartree_1c ...
685!> \param ecoul_1c ...
686!> \param rho_atom ...
687!> \param rrad_0 ...
688!> \param grid_atom ...
689!> \param iatom ...
690!> \param core_charge ...
691!> \param rrad_z ...
692!> \param Vh1_h ...
693!> \param Vh1_s ...
694!> \param nchan_0 ...
695!> \param nspins ...
696!> \param max_iso_not0 ...
697! **************************************************************************************************
698 SUBROUTINE vh_1c_atom_energy(energy_hartree_1c, ecoul_1c, rho_atom, rrad_0, &
699 grid_atom, iatom, core_charge, rrad_z, Vh1_h, Vh1_s, &
700 nchan_0, nspins, max_iso_not0)
701
702 REAL(dp), INTENT(INOUT) :: energy_hartree_1c
703 TYPE(ecoul_1center_type), DIMENSION(:), POINTER :: ecoul_1c
704 TYPE(rho_atom_type), POINTER :: rho_atom
705 REAL(dp), DIMENSION(:, :), POINTER :: rrad_0
706 TYPE(grid_atom_type), POINTER :: grid_atom
707 INTEGER, INTENT(IN) :: iatom
708 LOGICAL, INTENT(IN) :: core_charge
709 REAL(dp), DIMENSION(:), POINTER :: rrad_z
710 REAL(dp), DIMENSION(:, :), POINTER :: vh1_h, vh1_s
711 INTEGER, INTENT(IN) :: nchan_0, nspins, max_iso_not0
712
713 INTEGER :: iso, ispin, nr
714 REAL(dp) :: ecoul_1_0, ecoul_1_h, ecoul_1_s, &
715 ecoul_1_z
716 TYPE(rho_atom_coeff), DIMENSION(:), POINTER :: r_h, r_s
717
718 nr = grid_atom%nr
719
720 NULLIFY (r_h, r_s)
721 CALL get_rho_atom(rho_atom=rho_atom, rho_rad_h=r_h, rho_rad_s=r_s)
722
723 ! Calculate the contributions to Ecoul coming from Vh1_h*rhoz
724 ecoul_1_z = 0.0_dp
725 IF (core_charge) THEN
726 ecoul_1_z = 0.5_dp*sum(vh1_h(:, 1)*rrad_z(:)*grid_atom%wr(:))
727 END IF
728
729 ! Calculate the contributions to Ecoul coming from Vh1_s*rho0
730 ecoul_1_0 = 0.0_dp
731 DO iso = 1, nchan_0
732 ecoul_1_0 = ecoul_1_0 + 0.5_dp*sum(vh1_s(:, iso)*rrad_0(:, iso)*grid_atom%wr(:))
733 END DO
734
735 ! Calculate the contributions to Ecoul coming from Vh1_h*rho1_h and Vh1_s*rho1_s
736 ecoul_1_s = 0.0_dp
737 ecoul_1_h = 0.0_dp
738 DO ispin = 1, nspins
739 DO iso = 1, max_iso_not0
740 ecoul_1_s = ecoul_1_s + 0.5_dp*sum(vh1_s(:, iso)*r_s(ispin)%r_coef(:, iso)*grid_atom%wr(:))
741 ecoul_1_h = ecoul_1_h + 0.5_dp*sum(vh1_h(:, iso)*r_h(ispin)%r_coef(:, iso)*grid_atom%wr(:))
742 END DO
743 END DO
744
745 CALL set_ecoul_1c(ecoul_1c, iatom, ecoul_1_z=ecoul_1_z, ecoul_1_0=ecoul_1_0)
746 CALL set_ecoul_1c(ecoul_1c=ecoul_1c, iatom=iatom, ecoul_1_h=ecoul_1_h, ecoul_1_s=ecoul_1_s)
747
748 energy_hartree_1c = energy_hartree_1c + ecoul_1_z - ecoul_1_0
749 energy_hartree_1c = energy_hartree_1c + ecoul_1_h - ecoul_1_s
750
751 END SUBROUTINE vh_1c_atom_energy
752
753!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
754
755! **************************************************************************************************
756!> \brief ...
757!> \param rho_atom ...
758!> \param aVh1b_hh ...
759!> \param aVh1b_ss ...
760!> \param aVh1b_00 ...
761!> \param Vh1_h ...
762!> \param Vh1_s ...
763!> \param max_iso_not0 ...
764!> \param max_s_harm ...
765!> \param llmax ...
766!> \param cg_list ...
767!> \param cg_n_list ...
768!> \param nset ...
769!> \param npgf ...
770!> \param lmin ...
771!> \param lmax ...
772!> \param nsotot ...
773!> \param maxso ...
774!> \param nspins ...
775!> \param nchan_0 ...
776!> \param gsph ...
777!> \param g0_h_w ...
778!> \param my_CG ...
779!> \param Qlm_gg ...
780! **************************************************************************************************
781 SUBROUTINE vh_1c_atom_integrals(rho_atom, &
782 aVh1b_hh, aVh1b_ss, aVh1b_00, Vh1_h, Vh1_s, max_iso_not0, &
783 max_s_harm, llmax, cg_list, cg_n_list, &
784 nset, npgf, lmin, lmax, nsotot, maxso, nspins, nchan_0, gsph, &
785 g0_h_w, my_CG, Qlm_gg)
786
787 TYPE(rho_atom_type), POINTER :: rho_atom
788 REAL(dp), DIMENSION(:, :) :: avh1b_hh, avh1b_ss, avh1b_00
789 REAL(dp), DIMENSION(:, :), POINTER :: vh1_h, vh1_s
790 INTEGER, INTENT(IN) :: max_iso_not0, max_s_harm, llmax
791 INTEGER, DIMENSION(:, :, :) :: cg_list
792 INTEGER, DIMENSION(:) :: cg_n_list
793 INTEGER, INTENT(IN) :: nset
794 INTEGER, DIMENSION(:), POINTER :: npgf, lmin, lmax
795 INTEGER, INTENT(IN) :: nsotot, maxso, nspins, nchan_0
796 REAL(dp), DIMENSION(:, :), POINTER :: gsph
797 REAL(dp), DIMENSION(:, 0:) :: g0_h_w
798 REAL(dp), DIMENSION(:, :, :), POINTER :: my_cg, qlm_gg
799
800 INTEGER :: icg, ipgf1, ipgf2, ir, is1, is2, iset1, &
801 iset2, iso, iso1, iso2, ispin, l_ang, &
802 m1, m2, max_iso_not0_local, n1, n2, nr
803 REAL(dp) :: gvg_0, gvg_h, gvg_s
804 TYPE(rho_atom_coeff), DIMENSION(:), POINTER :: int_local_h, int_local_s
805
806 NULLIFY (int_local_h, int_local_s)
807 CALL get_rho_atom(rho_atom=rho_atom, &
808 ga_vlocal_gb_h=int_local_h, &
809 ga_vlocal_gb_s=int_local_s)
810
811 ! Calculate the integrals of the potential with 2 primitives
812 avh1b_hh = 0.0_dp
813 avh1b_ss = 0.0_dp
814 avh1b_00 = 0.0_dp
815
816 nr = SIZE(gsph, 1)
817
818 m1 = 0
819 DO iset1 = 1, nset
820 m2 = 0
821 DO iset2 = 1, nset
822 CALL get_none0_cg_list(my_cg, lmin(iset1), lmax(iset1), lmin(iset2), lmax(iset2), &
823 max_s_harm, llmax, cg_list, cg_n_list, max_iso_not0_local)
824
825 n1 = nsoset(lmax(iset1))
826 DO ipgf1 = 1, npgf(iset1)
827 n2 = nsoset(lmax(iset2))
828 DO ipgf2 = 1, npgf(iset2)
829 ! with contributions to V1_s*rho0
830 DO iso = 1, min(nchan_0, max_iso_not0)
831 l_ang = indso(1, iso)
832 gvg_0 = sum(vh1_s(:, iso)*g0_h_w(:, l_ang))
833 DO icg = 1, cg_n_list(iso)
834 is1 = cg_list(1, icg, iso)
835 is2 = cg_list(2, icg, iso)
836
837 iso1 = is1 + n1*(ipgf1 - 1) + m1
838 iso2 = is2 + n2*(ipgf2 - 1) + m2
839 gvg_h = 0.0_dp
840 gvg_s = 0.0_dp
841
842 DO ir = 1, nr
843 gvg_h = gvg_h + gsph(ir, iso1)*gsph(ir, iso2)*vh1_h(ir, iso)
844 gvg_s = gvg_s + gsph(ir, iso1)*gsph(ir, iso2)*vh1_s(ir, iso)
845 END DO ! ir
846
847 avh1b_hh(iso1, iso2) = avh1b_hh(iso1, iso2) + gvg_h*my_cg(is1, is2, iso)
848 avh1b_ss(iso1, iso2) = avh1b_ss(iso1, iso2) + gvg_s*my_cg(is1, is2, iso)
849 avh1b_00(iso1, iso2) = avh1b_00(iso1, iso2) + gvg_0*qlm_gg(iso1, iso2, iso)
850
851 END DO !icg
852 END DO ! iso
853 ! without contributions to V1_s*rho0
854 DO iso = nchan_0 + 1, max_iso_not0
855 DO icg = 1, cg_n_list(iso)
856 is1 = cg_list(1, icg, iso)
857 is2 = cg_list(2, icg, iso)
858
859 iso1 = is1 + n1*(ipgf1 - 1) + m1
860 iso2 = is2 + n2*(ipgf2 - 1) + m2
861 gvg_h = 0.0_dp
862 gvg_s = 0.0_dp
863
864 DO ir = 1, nr
865 gvg_h = gvg_h + gsph(ir, iso1)*gsph(ir, iso2)*vh1_h(ir, iso)
866 gvg_s = gvg_s + gsph(ir, iso1)*gsph(ir, iso2)*vh1_s(ir, iso)
867 END DO ! ir
868
869 avh1b_hh(iso1, iso2) = avh1b_hh(iso1, iso2) + gvg_h*my_cg(is1, is2, iso)
870 avh1b_ss(iso1, iso2) = avh1b_ss(iso1, iso2) + gvg_s*my_cg(is1, is2, iso)
871
872 END DO !icg
873 END DO ! iso
874 END DO ! ipgf2
875 END DO ! ipgf1
876 m2 = m2 + maxso
877 END DO ! iset2
878 m1 = m1 + maxso
879 END DO !iset1
880 DO ispin = 1, nspins
881 CALL daxpy(nsotot*nsotot, 1.0_dp, avh1b_hh, 1, int_local_h(ispin)%r_coef, 1)
882 CALL daxpy(nsotot*nsotot, 1.0_dp, avh1b_ss, 1, int_local_s(ispin)%r_coef, 1)
883 CALL daxpy(nsotot*nsotot, -1.0_dp, avh1b_00, 1, int_local_h(ispin)%r_coef, 1)
884 CALL daxpy(nsotot*nsotot, -1.0_dp, avh1b_00, 1, int_local_s(ispin)%r_coef, 1)
885 END DO ! ispin
886
887 END SUBROUTINE vh_1c_atom_integrals
888
889!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
890
891END MODULE hartree_local_methods
qs_harmonics_atom::get_none0_cg_list
Definition qs_harmonics_atom.F:54
atomic_kind_types
Define the atomic kind types and their sub types.
Definition atomic_kind_types.F:23
atomic_kind_types::get_atomic_kind
subroutine, public get_atomic_kind(atomic_kind, fist_potential, element_symbol, name, mass, kind_number, natom, atom_list, rcov, rvdw, z, qeff, apol, cpol, mm_radius, shell, shell_active, damping)
Get attributes of an atomic kind.
Definition atomic_kind_types.F:138
basis_set_types
Definition basis_set_types.F:15
basis_set_types::get_gto_basis_set
subroutine, public get_gto_basis_set(gto_basis_set, name, aliases, norm_type, kind_radius, ncgf, nset, nsgf, cgf_symbol, sgf_symbol, norm_cgf, set_radius, lmax, lmin, lx, ly, lz, m, ncgf_set, npgf, nsgf_set, nshell, cphi, pgf_radius, sphi, scon, zet, first_cgf, first_sgf, l, last_cgf, last_sgf, n, gcc, maxco, maxl, maxpgf, maxsgf_set, maxshell, maxso, nco_sum, npgf_sum, nshell_sum, maxder, short_kind_radius, npgf_seg_sum, ccon)
...
Definition basis_set_types.F:643
cell_types
Handles all functions related to the CELL.
Definition cell_types.F:15
cp_control_types
Defines control structures, which contain the parameters and the settings for the DFT-based calculati...
Definition cp_control_types.F:12
hartree_local_methods
Definition hartree_local_methods.F:8
hartree_local_methods::init_coulomb_local
subroutine, public init_coulomb_local(hartree_local, natom)
...
Definition hartree_local_methods.F:72
hartree_local_methods::vh_1c_gg_integrals
subroutine, public vh_1c_gg_integrals(qs_env, energy_hartree_1c, ecoul_1c, local_rho_set, para_env, tddft, local_rho_set_2nd, core_2nd)
Calculates one center GAPW Hartree energies and matrix elements Hartree potentials are input Takes po...
Definition hartree_local_methods.F:210
hartree_local_methods::calculate_vh_1center
subroutine, public calculate_vh_1center(vrad_h, vrad_s, rrad_h, rrad_s, rrad_0, rrad_z, grid_atom)
Calculates Hartree potential for hard and soft densities (including nuclear charge and compensation c...
Definition hartree_local_methods.F:107
hartree_local_types
Definition hartree_local_types.F:8
hartree_local_types::allocate_ecoul_1center
subroutine, public allocate_ecoul_1center(ecoul_1c, natom)
...
Definition hartree_local_types.F:58
hartree_local_types::set_ecoul_1c
subroutine, public set_ecoul_1c(ecoul_1c, iatom, ecoul_1_h, ecoul_1_s, ecoul_1_z, ecoul_1_0)
...
Definition hartree_local_types.F:165
kinds
Defines the basic variable types.
Definition kinds.F:23
kinds::dp
integer, parameter, public dp
Definition kinds.F:34
mathconstants
Definition of mathematical constants and functions.
Definition mathconstants.F:16
mathconstants::pi
real(kind=dp), parameter, public pi
Definition mathconstants.F:110
mathconstants::fourpi
real(kind=dp), parameter, public fourpi
Definition mathconstants.F:113
message_passing
Interface to the message passing library MPI.
Definition message_passing.F:23
orbital_pointers
Provides Cartesian and spherical orbital pointers and indices.
Definition orbital_pointers.F:15
orbital_pointers::nsoset
integer, dimension(:), allocatable, public nsoset
Definition orbital_pointers.F:42
orbital_pointers::indso
integer, dimension(:, :), allocatable, public indso
Definition orbital_pointers.F:43
pw_env_types
container for various plainwaves related things
Definition pw_env_types.F:14
pw_env_types::pw_env_get
subroutine, public pw_env_get(pw_env, pw_pools, cube_info, gridlevel_info, auxbas_pw_pool, auxbas_grid, auxbas_rs_desc, auxbas_rs_grid, rs_descs, rs_grids, xc_pw_pool, vdw_pw_pool, poisson_env, interp_section)
returns the various attributes of the pw env
Definition pw_env_types.F:113
pw_poisson_types
functions related to the poisson solver on regular grids
Definition pw_poisson_types.F:22
pw_poisson_types::pw_poisson_periodic
integer, parameter, public pw_poisson_periodic
Definition pw_poisson_types.F:67
qs_charges_types
container for information about total charges on the grids
Definition qs_charges_types.F:14
qs_cneo_methods
A collection of functions used by CNEO-DFT (see J. Chem. Theory Comput. 2025, 21, 16,...
Definition qs_cneo_methods.F:15
qs_cneo_methods::vh_1c_nuc_integrals
subroutine, public vh_1c_nuc_integrals(rhoz_cneo, zeff, avh1b_hh, avh1b_ss, avh1b_00, vh1_h, vh1_s, max_iso_not0_elec, max_iso_not0_nuc, max_s_harm, llmax, cg_list, cg_n_list, nset, npgf, lmin, lmax, nsotot, maxso, nchan_0, gsph, g0_h_w, my_cg, qlm_gg)
Mostly copied from hartree_local_methods::Vh_1c_atom_integrals.
Definition qs_cneo_methods.F:1312
qs_cneo_methods::calculate_rhoz_cneo
subroutine, public calculate_rhoz_cneo(rho, potential, cg_list, cg_n_list, nset, npgf, lmin, lmax, maxl, maxso)
...
Definition qs_cneo_methods.F:1009
qs_cneo_types
Types used by CNEO-DFT (see J. Chem. Theory Comput. 2025, 21, 16, 7865–7877)
Definition qs_cneo_types.F:15
qs_environment_types
Definition qs_environment_types.F:14
qs_environment_types::get_qs_env
subroutine, public get_qs_env(qs_env, atomic_kind_set, qs_kind_set, cell, super_cell, cell_ref, use_ref_cell, kpoints, dft_control, mos, sab_orb, sab_all, qmmm, qmmm_periodic, mimic, sac_ae, sac_ppl, sac_lri, sap_ppnl, sab_vdw, sab_scp, sap_oce, sab_lrc, sab_se, sab_xtbe, sab_tbe, sab_core, sab_xb, sab_xtb_pp, sab_xtb_nonbond, sab_almo, sab_kp, sab_kp_nosym, sab_cneo, particle_set, energy, force, matrix_h, matrix_h_im, matrix_ks, matrix_ks_im, matrix_vxc, run_rtp, rtp, matrix_h_kp, matrix_h_im_kp, matrix_ks_kp, matrix_ks_im_kp, matrix_vxc_kp, kinetic_kp, matrix_s_kp, matrix_w_kp, matrix_s_ri_aux_kp, matrix_s, matrix_s_ri_aux, matrix_w, matrix_p_mp2, matrix_p_mp2_admm, matrix_vhxc, rho, rho_xc, pw_env, ewald_env, ewald_pw, active_space, mpools, input, para_env, blacs_env, scf_control, rel_control, kinetic, qs_charges, vppl, xcint_weights, rho_core, rho_nlcc, rho_nlcc_g, ks_env, ks_qmmm_env, wf_history, scf_env, local_particles, local_molecules, distribution_2d, dbcsr_dist, molecule_kind_set, molecule_set, subsys, cp_subsys, oce, local_rho_set, rho_atom_set, task_list, task_list_soft, rho0_atom_set, rho0_mpole, rhoz_set, rhoz_cneo_set, ecoul_1c, rho0_s_rs, rho0_s_gs, rhoz_cneo_s_rs, rhoz_cneo_s_gs, do_kpoints, has_unit_metric, requires_mo_derivs, mo_derivs, mo_loc_history, nkind, natom, nelectron_total, nelectron_spin, efield, neighbor_list_id, linres_control, xas_env, virial, cp_ddapc_env, cp_ddapc_ewald, outer_scf_history, outer_scf_ihistory, x_data, et_coupling, dftb_potential, results, se_taper, se_store_int_env, se_nddo_mpole, se_nonbond_env, admm_env, lri_env, lri_density, exstate_env, ec_env, harris_env, dispersion_env, gcp_env, vee, rho_external, external_vxc, mask, mp2_env, bs_env, kg_env, wanniercentres, atprop, ls_scf_env, do_transport, transport_env, v_hartree_rspace, s_mstruct_changed, rho_changed, potential_changed, forces_up_to_date, mscfg_env, almo_scf_env, gradient_history, variable_history, embed_pot, spin_embed_pot, polar_env, mos_last_converged, eeq, rhs, do_rixs, tb_tblite)
Get the QUICKSTEP environment.
Definition qs_environment_types.F:534
qs_grid_atom
Definition qs_grid_atom.F:8
qs_harmonics_atom
Definition qs_harmonics_atom.F:8
qs_kind_types
Define the quickstep kind type and their sub types.
Definition qs_kind_types.F:23
qs_kind_types::get_qs_kind
subroutine, public get_qs_kind(qs_kind, basis_set, basis_type, ncgf, nsgf, all_potential, tnadd_potential, gth_potential, sgp_potential, upf_potential, cneo_potential, se_parameter, dftb_parameter, xtb_parameter, dftb3_param, zatom, zeff, elec_conf, mao, lmax_dftb, alpha_core_charge, ccore_charge, core_charge, core_charge_radius, paw_proj_set, paw_atom, hard_radius, hard0_radius, max_rad_local, covalent_radius, vdw_radius, gpw_type_forced, harmonics, max_iso_not0, max_s_harm, grid_atom, ngrid_ang, ngrid_rad, lmax_rho0, dft_plus_u_atom, l_of_dft_plus_u, n_of_dft_plus_u, u_minus_j, hund_j, u_of_dft_plus_u, j_of_dft_plus_u, alpha_of_dft_plus_u, beta_of_dft_plus_u, j0_of_dft_plus_u, occupation_of_dft_plus_u, dispersion, bs_occupation, magnetization, no_optimize, addel, laddel, naddel, orbitals, max_scf, eps_scf, smear, u_ramping, u_minus_j_target, eps_u_ramping, proj_shell_charge, lr_atom, do_mtlr, u_j_loop, ao_coef, init_u_ramping_each_scf, reltmat, ghost, monovalent, floating, name, element_symbol, pao_basis_size, pao_model_file, pao_potentials, pao_descriptors, nelec)
Get attributes of an atomic kind.
Definition qs_kind_types.F:486
qs_kind_types::get_qs_kind_set
subroutine, public get_qs_kind_set(qs_kind_set, all_potential_present, tnadd_potential_present, gth_potential_present, sgp_potential_present, paw_atom_present, dft_plus_u_atom_present, maxcgf, maxsgf, maxco, maxco_proj, maxgtops, maxlgto, maxlprj, maxnset, maxsgf_set, ncgf, npgf, nset, nsgf, nshell, maxpol, maxlppl, maxlppnl, maxppnl, nelectron, maxder, max_ngrid_rad, max_sph_harm, maxg_iso_not0, lmax_rho0, basis_rcut, do_mtlr_present, basis_type, total_zeff_corr, npgf_seg, cneo_potential_present, nkind_q, natom_q)
Get attributes of an atomic kind set.
Definition qs_kind_types.F:979
qs_local_rho_types
Definition qs_local_rho_types.F:8
qs_local_rho_types::get_local_rho
subroutine, public get_local_rho(local_rho_set, rho_atom_set, rho0_atom_set, rho0_mpole, rhoz_set, rhoz_cneo_set)
...
Definition qs_local_rho_types.F:179
qs_rho0_types
Definition qs_rho0_types.F:8
qs_rho0_types::get_rho0_mpole
subroutine, public get_rho0_mpole(rho0_mpole, g0_h, vg0_h, iat, ikind, lmax_0, l0_ikind, mp_gau_ikind, mp_rho, norm_g0l_h, qlm_gg, qlm_car, qlm_tot, zet0_h, igrid_zet0_s, rpgf0_h, rpgf0_s, max_rpgf0_s, rho0_s_rs, rho0_s_gs, rhoz_cneo_s_rs, rhoz_cneo_s_gs)
...
Definition qs_rho0_types.F:449
qs_rho_atom_types
Definition qs_rho_atom_types.F:8
qs_rho_atom_types::get_rho_atom
subroutine, public get_rho_atom(rho_atom, cpc_h, cpc_s, rho_rad_h, rho_rad_s, drho_rad_h, drho_rad_s, vrho_rad_h, vrho_rad_s, rho_rad_h_d, rho_rad_s_d, ga_vlocal_gb_h, ga_vlocal_gb_s, int_scr_h, int_scr_s)
...
Definition qs_rho_atom_types.F:195
util
All kind of helpful little routines.
Definition util.F:14
util::get_limit
pure integer function, dimension(2), public get_limit(m, n, me)
divide m entries into n parts, return size of part me
Definition util.F:333
atomic_kind_types::atomic_kind_type
Provides all information about an atomic kind.
Definition atomic_kind_types.F:45
basis_set_types::gto_basis_set_type
Definition basis_set_types.F:72
cell_types::cell_type
Type defining parameters related to the simulation cell.
Definition cell_types.F:60
cp_control_types::dft_control_type
Definition cp_control_types.F:757
hartree_local_types::ecoul_1center_type
Definition hartree_local_types.F:25
hartree_local_types::hartree_local_type
Definition hartree_local_types.F:34
message_passing::mp_para_env_type
stores all the informations relevant to an mpi environment
Definition message_passing.F:746
pw_env_types::pw_env_type
contained for different pw related things
Definition pw_env_types.F:70
pw_poisson_types::pw_poisson_type
environment for the poisson solver
Definition pw_poisson_types.F:123
qs_charges_types::qs_charges_type
Container for information about total charges on the grids.
Definition qs_charges_types.F:41
qs_cneo_types::cneo_potential_type
Definition qs_cneo_types.F:53
qs_cneo_types::rhoz_cneo_type
Definition qs_cneo_types.F:29
qs_environment_types::qs_environment_type
Definition qs_environment_types.F:222
qs_grid_atom::grid_atom_type
Definition qs_grid_atom.F:44
qs_harmonics_atom::harmonics_atom_type
Definition qs_harmonics_atom.F:32
qs_kind_types::qs_kind_type
Provides all information about a quickstep kind.
Definition qs_kind_types.F:185
qs_local_rho_types::local_rho_type
Definition qs_local_rho_types.F:45
qs_local_rho_types::rhoz_type
Definition qs_local_rho_types.F:37
qs_rho0_types::rho0_atom_type
Definition qs_rho0_types.F:78
qs_rho0_types::rho0_mpole_type
Definition qs_rho0_types.F:52
qs_rho_atom_types::rho_atom_coeff
Definition qs_rho_atom_types.F:19
qs_rho_atom_types::rho_atom_type
Definition qs_rho_atom_types.F:23