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This module implements the Casida equations for excited states. More...
This module implements the Casida equations for excited states.
Data Types | |
type | casida_save_pot_t |
type | casida_t |
This class contains all parameters, needed for Casida calculations. More... | |
Functions/Subroutines | |
subroutine, public | casida_run_init () |
subroutine, public | casida_run (system, from_scratch) |
subroutine | casida_run_legacy (sys, fromScratch) |
subroutine | casida_type_init (cas, sys) |
allocates stuff, and constructs the arrays pair_i and pair_j More... | |
subroutine | casida_type_end (cas) |
subroutine | casida_work (sys, cas) |
this subroutine calculates electronic excitation energies using the matrix formulation of M. Petersilka, or of M. Casida More... | |
real(real64) function | casida_matrix_factor (cas, sys) |
subroutine | qcasida_write (cas, namespace) |
character(len=80) pure function | theory_name (cas) |
logical function | isnt_degenerate (cas, st, ia, jb) |
integer function | get_global_row (cas, jb_local) |
integer function | get_global_col (cas, ia_local) |
subroutine | local_indices (cas, ia, jb, on_this_processor, ia_local, jb_local) |
subroutine | doscillator_strengths (cas, mesh, st) |
real(real64) function, dimension(cas%n_pairs) | dks_matrix_elements (cas, st, mesh, dv) |
real(real64) function | dtransition_matrix_element (cas, ia, xx) |
calculate transition matrix elements More... | |
subroutine | dtransition_density (cas, st, mesh, ia, n0I) |
subroutine | dget_transition_densities (cas, sys) |
subroutine | dcasida_get_rho (st, mesh, ii, ia, kk, rho) |
subroutine | dcasida_calc_lr_hmat1 (sys, pert, hvar, lr_hmat1, is_saved, st_start, st_end, ik) |
calculate one-particle matrix elements of perturbation More... | |
subroutine | dcasida_lr_hmat2 (cas, st, lr_hmat1, ik) |
calculate two-particle matrix elements of perturbation More... | |
subroutine | dcasida_get_matrix (cas, namespace, hm, st, ks, mesh, matrix, xc, restart_file, is_forces) |
subroutine | dwrite_k_term (cas, mat_val, iunit, ia, jb) |
write matrix element to casida_restart file More... | |
subroutine | dcasida_forces (cas, sys, mesh, st) |
subroutine | dcasida_get_lr_hmat1 (cas, sys, iatom, idir, dl_rho, lr_hmat1) |
subroutine | dcasida_solve (cas, sys) |
subroutine | dcasida_write (cas, sys) |
subroutine | dwrite_implied_occupations (cas, iunit, ind) |
subroutine | dwrite_distributed_matrix (cas, matrix, filename) |
real(real64) function | dallreduce_sum (cas, variable) |
subroutine | zoscillator_strengths (cas, mesh, st) |
complex(real64) function, dimension(cas%n_pairs) | zks_matrix_elements (cas, st, mesh, dv) |
complex(real64) function | ztransition_matrix_element (cas, ia, xx) |
calculate transition matrix elements More... | |
subroutine | ztransition_density (cas, st, mesh, ia, n0I) |
subroutine | zget_transition_densities (cas, sys) |
subroutine | zcasida_get_rho (st, mesh, ii, ia, kk, rho) |
subroutine | zcasida_calc_lr_hmat1 (sys, pert, hvar, lr_hmat1, is_saved, st_start, st_end, ik) |
calculate one-particle matrix elements of perturbation More... | |
subroutine | zcasida_lr_hmat2 (cas, st, lr_hmat1, ik) |
calculate two-particle matrix elements of perturbation More... | |
subroutine | zcasida_get_matrix (cas, namespace, hm, st, ks, mesh, matrix, xc, restart_file, is_forces) |
subroutine | zwrite_k_term (cas, mat_val, iunit, ia, jb) |
write matrix element to casida_restart file More... | |
subroutine | zcasida_forces (cas, sys, mesh, st) |
subroutine | zcasida_get_lr_hmat1 (cas, sys, iatom, idir, dl_rho, lr_hmat1) |
subroutine | zcasida_solve (cas, sys) |
subroutine | zcasida_write (cas, sys) |
subroutine | zwrite_implied_occupations (cas, iunit, ind) |
subroutine | zwrite_distributed_matrix (cas, matrix, filename) |
complex(real64) function | zallreduce_sum (cas, variable) |
Variables | |
integer, parameter | casida_eps_diff = 1 |
integer, parameter | casida_petersilka = 2 |
integer, parameter | casida_tamm_dancoff = 4 |
integer, parameter | casida_variational = 8 |
integer, parameter | casida_casida = 16 |
integer, parameter | solver_elpa = 1 |
integer, parameter | solver_scalapack = 2 |
subroutine, public casida_oct_m::casida_run_init |
Definition at line 284 of file casida.F90.
subroutine, public casida_oct_m::casida_run | ( | class(*), intent(inout) | system, |
logical, intent(in) | from_scratch | ||
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Definition at line 313 of file casida.F90.
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Definition at line 331 of file casida.F90.
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allocates stuff, and constructs the arrays pair_i and pair_j
Definition at line 784 of file casida.F90.
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Definition at line 942 of file casida.F90.
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this subroutine calculates electronic excitation energies using the matrix formulation of M. Petersilka, or of M. Casida
Definition at line 997 of file casida.F90.
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Definition at line 1186 of file casida.F90.
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Definition at line 1207 of file casida.F90.
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Definition at line 1245 of file casida.F90.
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Definition at line 1265 of file casida.F90.
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Definition at line 1279 of file casida.F90.
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Definition at line 1293 of file casida.F90.
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Definition at line 1307 of file casida.F90.
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Definition at line 1407 of file casida.F90.
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Definition at line 1543 of file casida.F90.
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calculate transition matrix elements
Casida: \( \vec{d}_k = \sum_{cv} \vec{d}_{cv} x_{cv} \sqrt{\frac{\epsilon_c - \epsilon_v}{\omega_k}} \) others: \( \vec{d}_k = \sum_{cv} \vec{d}_{cv} x_{cv} \)
[in] | xx | these are KS matrix elements |
Definition at line 1587 of file casida.F90.
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Definition at line 1625 of file casida.F90.
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Definition at line 1668 of file casida.F90.
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Definition at line 1701 of file casida.F90.
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calculate one-particle matrix elements of perturbation
Definition at line 1738 of file casida.F90.
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calculate two-particle matrix elements of perturbation
Definition at line 1786 of file casida.F90.
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calculates the matrix elements <i(p),a(p)|v|j(q),b(q)> and/or <i(p),a(p)|xc|j(q),b(q)>
no need to get rho twice
Definition at line 1822 of file casida.F90.
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write matrix element to casida_restart file
Definition at line 2269 of file casida.F90.
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Definition at line 2285 of file casida.F90.
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Definition at line 2426 of file casida.F90.
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Definition at line 2538 of file casida.F90.
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Definition at line 2801 of file casida.F90.
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Definition at line 2962 of file casida.F90.
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Definition at line 3001 of file casida.F90.
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Definition at line 3045 of file casida.F90.
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Definition at line 3138 of file casida.F90.
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Definition at line 3274 of file casida.F90.
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calculate transition matrix elements
Casida: \( \vec{d}_k = \sum_{cv} \vec{d}_{cv} x_{cv} \sqrt{\frac{\epsilon_c - \epsilon_v}{\omega_k}} \) others: \( \vec{d}_k = \sum_{cv} \vec{d}_{cv} x_{cv} \)
[in] | xx | these are KS matrix elements |
Definition at line 3318 of file casida.F90.
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Definition at line 3356 of file casida.F90.
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Definition at line 3399 of file casida.F90.
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Definition at line 3432 of file casida.F90.
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calculate one-particle matrix elements of perturbation
Definition at line 3469 of file casida.F90.
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calculate two-particle matrix elements of perturbation
Definition at line 3517 of file casida.F90.
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calculates the matrix elements <i(p),a(p)|v|j(q),b(q)> and/or <i(p),a(p)|xc|j(q),b(q)>
no need to get rho twice
Definition at line 3553 of file casida.F90.
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write matrix element to casida_restart file
Definition at line 4000 of file casida.F90.
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Definition at line 4016 of file casida.F90.
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Definition at line 4157 of file casida.F90.
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Definition at line 4269 of file casida.F90.
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Definition at line 4546 of file casida.F90.
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Definition at line 4707 of file casida.F90.
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Definition at line 4746 of file casida.F90.
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Definition at line 4790 of file casida.F90.
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Definition at line 186 of file casida.F90.
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Definition at line 186 of file casida.F90.
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Definition at line 186 of file casida.F90.
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Definition at line 186 of file casida.F90.
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Definition at line 186 of file casida.F90.
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Definition at line 193 of file casida.F90.
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Definition at line 193 of file casida.F90.