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https://github.com/QuantumPackage/qp2.git
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195 lines
7.1 KiB
Fortran
195 lines
7.1 KiB
Fortran
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! Dipole moments
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! Provided
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! | N_states | integer | Number of states |
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! | multi_s_x_dipole_moment(N_states,N_states) | double precision | (transition) dipole moments along x axis |
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! | multi_s_y_dipole_moment(N_states,N_states) | double precision | (transition) dipole moments along y axis |
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! | multi_s_z_dipole_moment(N_states,N_states) | double precision | (transition) dipole moments along z axis |
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! | multi_s_dipole_moment(N_states,N_states) | double precision | Total (transition) dipole moments |
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subroutine print_dipole_moment
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implicit none
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BEGIN_DOC
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! To print the dipole moment ||<\Psi_i|µ|\Psi_i>|| and its x,y,z components
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END_DOC
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integer :: istate
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double precision, allocatable :: d(:), d_x(:), d_y(:), d_z(:)
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allocate(d(N_states),d_x(N_states),d_y(N_states),d_z(N_states))
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do istate = 1, N_states
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d_x(istate) = multi_s_x_dipole_moment(istate,istate)
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d_y(istate) = multi_s_y_dipole_moment(istate,istate)
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d_z(istate) = multi_s_z_dipole_moment(istate,istate)
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d(istate) = multi_s_dipole_moment(istate,istate)
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enddo
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! Atomic units
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print*,''
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print*,'# Dipoles:'
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print*,'=============================================='
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print*,' Dipole moments (au)'
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print*,' State X Y Z ||µ||'
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do istate = 1, N_states
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write(*,'(I5,4(F12.6))') (istate-1), d_x(istate), d_y(istate), d_z(istate), d(istate)
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enddo
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! Debye
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print*,''
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print*,' Dipole moments (D)'
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print*,' State X Y Z ||µ||'
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do istate = 1, N_states
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write(*,'(I5,4(F12.6))') (istate-1), d_x(istate)*au_to_D, d_y(istate)*au_to_D, d_z(istate)*au_to_D, d(istate)*au_to_D
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enddo
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print*,'=============================================='
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print*,''
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deallocate(d,d_x,d_y,d_z)
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end
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! Transition dipole moments
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! Provided
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! | N_states | integer | Number of states |
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! | multi_s_x_dipole_moment(N_states,N_states) | double precision | (transition) dipole moments along x axis |
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! | multi_s_y_dipole_moment(N_states,N_states) | double precision | (transition) dipole moments along y axis |
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! | multi_s_z_dipole_moment(N_states,N_states) | double precision | (transition) dipole moments along z axis |
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! | multi_s_dipole_moment(N_states,N_states) | double precision | Total (transition) dipole moments |
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subroutine print_transition_dipole_moment
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implicit none
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BEGIN_DOC
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! To print the transition dipole moment ||<\Psi_i|µ|\Psi_j>|| and its components along x, y and z
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END_DOC
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integer :: istate,jstate, n_states_print
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double precision :: f, d, d_x, d_y, d_z, dip_str
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if (N_states == 1 .or. N_det == 1) then
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return
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endif
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print*,''
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print*,'# Transition dipoles:'
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print*,'=============================================='
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print*,' Transition dipole moments (au)'
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write(*,'(A89)') ' # Transition X Y Z ||µ|| Dip. str. Osc. str.'
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if (print_all_transitions) then
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n_states_print = N_states
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else
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n_states_print = 1
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endif
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do jstate = 1, n_states_print !N_states
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do istate = jstate + 1, N_states
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d_x = multi_s_x_dipole_moment(istate,jstate)
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d_y = multi_s_y_dipole_moment(istate,jstate)
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d_z = multi_s_z_dipole_moment(istate,jstate)
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dip_str = d_x**2 + d_y**2 + d_z**2
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d = multi_s_dipole_moment(istate,jstate)
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f = 2d0/3d0 * d * d * dabs(ci_energy_no_diag(istate) - ci_energy_no_diag(jstate))
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write(*,'(I4,I4,A4,I3,6(F12.6))') (istate-1), (jstate-1), ' ->', (istate-1), d_x, d_y, d_z, d, dip_str, f
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enddo
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enddo
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print*,''
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print*,' Transition dipole moments (D)'
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write(*,'(A89)') ' # Transition X Y Z ||µ|| Dip. str. Osc. str.'
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do jstate = 1, n_states_print !N_states
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do istate = jstate + 1, N_states
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d_x = multi_s_x_dipole_moment(istate,jstate) * au_to_D
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d_y = multi_s_y_dipole_moment(istate,jstate) * au_to_D
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d_z = multi_s_z_dipole_moment(istate,jstate) * au_to_D
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d = multi_s_dipole_moment(istate,jstate)
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dip_str = d_x**2 + d_y**2 + d_z**2
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f = 2d0/3d0 * d * d * dabs(ci_energy_no_diag(istate) - ci_energy_no_diag(jstate))
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d = multi_s_dipole_moment(istate,jstate) * au_to_D
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write(*,'(I4,I4,A4,I3,6(F12.6))') (istate-1), (jstate-1), ' ->', (istate-1), d_x, d_y, d_z, d, dip_str, f
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enddo
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enddo
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print*,'=============================================='
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print*,''
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end
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! Oscillator strengths
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! Provided
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! | N_states | integer | Number of states |
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! | multi_s_dipole_moment(N_states,N_states) | double precision | Total (transition) dipole moments |
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! | multi_s_deriv1_moment(N_states,N_states) | double precision | Total (transition) ... |
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! | ci_energy_no_diag(N_states) | double precision | CI energy of each state |
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! Internal
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! | f_l | double precision | Oscillator strength in length gauge |
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! | f_v | double precision | Oscillator strength in velocity gauge |
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! | f_m | double precision | Oscillator strength in mixed gauge |
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! | n_states_print | integer | Number of printed states |
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subroutine print_oscillator_strength
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implicit none
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BEGIN_DOC
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! https://doi.org/10.1016/j.cplett.2004.03.126
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! Oscillator strength in:
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! - length gauge, f^l_{ij} = 2/3 (E_i - E_j) <\Psi_i|r|\Psi_j> <\Psi_j|r|\Psi_i>
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! - velocity gauge, f^v_{ij} = 2/3 (E_i - E_j)^(-1) <\Psi_i|v|\Psi_j> <\Psi_j|v|\Psi_i>
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! - mixed gauge, f^m_{ij} = -2i/3 <\Psi_i|r|\Psi_j> <\Psi_j|v|\Psi_i>
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END_DOC
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integer :: istate,jstate,k, n_states_print
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double precision :: f_l,f_v,f_m,d,v
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if (N_states == 1 .or. N_det == 1) then
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return
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endif
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print*,''
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print*,'# Oscillator strength:'
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print*,'=============================================='
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if (print_all_transitions) then
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n_states_print = N_states
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else
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n_states_print = 1
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endif
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write(*,'(A103)') ' Oscillator strength in length gauge (f_l), velocity gauge (f_v) and mixed length-velocity gauge (f_m)'
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do jstate = 1, n_states_print !N_states
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do istate = jstate + 1, N_states
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d = multi_s_dipole_moment(istate,jstate)
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v = multi_s_deriv_1(istate,jstate)
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! Length gauge
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f_l = 2d0/3d0 * d * d * dabs(ci_energy_no_diag(istate) - ci_energy_no_diag(jstate))
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! Velocity gauge
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f_v = 2d0/3d0 * v * v * 1d0/dabs(ci_energy_no_diag(istate) - ci_energy_no_diag(jstate))
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! Mixed gauge
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f_m = 2d0/3d0 * d * v
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write(*,'(A19,I3,A9,F10.6,A5,F7.1,A10,F9.6,A6,F9.6,A6,F9.6,A8,F7.3)') ' # Transition n.', (istate-1), ': Excit.=', dabs((ci_energy_no_diag(istate) - ci_energy_no_diag(jstate)))*ha_to_ev, &
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' eV ( ',dabs((ci_energy_no_diag(istate) - ci_energy_no_diag(jstate)))*Ha_to_nm,' nm), f_l=',f_l, ', f_v=', f_v, ', f_m=', f_m, ', <S^2>=', s2_values(istate)
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!write(*,'(I4,I4,A4,I3,A6,F6.1,A6,F6.1)') (istate-1), (jstate-1), ' ->', (istate-1), ', %T1=', percent_exc(2,istate), ', %T2=',percent_exc(3,istate)
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enddo
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enddo
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print*,'=============================================='
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print*,''
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end
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