10
0
mirror of https://github.com/LCPQ/quantum_package synced 2024-11-03 20:54:00 +01:00
quantum_package/plugins/MRCC/README.rst

160 lines
5.0 KiB
ReStructuredText

===========
MRCC Module
===========
Needed Modules
==============
.. Do not edit this section. It was auto-generated from the
.. by the `update_README.py` script.
.. image:: tree_dependency.png
* `Perturbation <http://github.com/LCPQ/quantum_package/tree/master/src/Perturbation>`_
* `Selectors_full <http://github.com/LCPQ/quantum_package/tree/master/src/Selectors_full>`_
* `Generators_full <http://github.com/LCPQ/quantum_package/tree/master/src/Generators_full>`_
Documentation
=============
.. Do not edit this section. It was auto-generated from the
.. by the `update_README.py` script.
`ci_eigenvectors_dressed <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L76>`_
Eigenvectors/values of the CI matrix
`ci_eigenvectors_s2_dressed <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L77>`_
Eigenvectors/values of the CI matrix
`ci_electronic_energy_dressed <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L75>`_
Eigenvectors/values of the CI matrix
`ci_energy_dressed <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L142>`_
N_states lowest eigenvalues of the dressed CI matrix
`davidson_diag_hjj_mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/davidson.irp.f#L56>`_
Davidson diagonalization with specific diagonal elements of the H matrix
.br
H_jj : specific diagonal H matrix elements to diagonalize de Davidson
.br
dets_in : bitmasks corresponding to determinants
.br
u_in : guess coefficients on the various states. Overwritten
on exit
.br
dim_in : leftmost dimension of u_in
.br
sze : Number of determinants
.br
N_st : Number of eigenstates
.br
iunit : Unit for the I/O
.br
Initial guess vectors are not necessarily orthonormal
`davidson_diag_mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/davidson.irp.f#L1>`_
Davidson diagonalization.
.br
dets_in : bitmasks corresponding to determinants
.br
u_in : guess coefficients on the various states. Overwritten
on exit
.br
dim_in : leftmost dimension of u_in
.br
sze : Number of determinants
.br
N_st : Number of eigenstates
.br
iunit : Unit number for the I/O
.br
Initial guess vectors are not necessarily orthonormal
`delta_ii <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L39>`_
Dressing matrix in N_det basis
`delta_ij <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L38>`_
Dressing matrix in N_det basis
`diagonalize_ci_dressed <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L157>`_
Replace the coefficients of the CI states by the coefficients of the
eigenstates of the CI matrix
`find_triples_and_quadruples <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_dress.irp.f#L206>`_
Undocumented
`h_apply_mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/H_apply.irp.f_shell_27#L416>`_
Calls H_apply on the HF determinant and selects all connected single and double
excitations (of the same symmetry). Auto-generated by the ``generate_h_apply`` script.
`h_apply_mrcc_diexc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/H_apply.irp.f_shell_27#L1>`_
Generate all double excitations of key_in using the bit masks of holes and
particles.
Assume N_int is already provided.
`h_apply_mrcc_monoexc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/H_apply.irp.f_shell_27#L268>`_
Generate all single excitations of key_in using the bit masks of holes and
particles.
Assume N_int is already provided.
`h_matrix_dressed <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L50>`_
Dressed H with Delta_ij
`h_u_0_mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/davidson.irp.f#L360>`_
Computes v_0 = H|u_0>
.br
n : number of determinants
.br
H_jj : array of <j|H|j>
`lambda_mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L1>`_
cm/<Psi_0|H|D_m> or perturbative 1/Delta_E(m)
`lambda_pert <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_utils.irp.f#L2>`_
cm/<Psi_0|H|D_m> or perturbative 1/Delta_E(m)
`mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc.irp.f#L1>`_
Undocumented
`mrcc_dress <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_dress.irp.f#L15>`_
Undocumented
`mrcc_dress_simple <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_dress.irp.f#L160>`_
Undocumented
`psi_cas_lock <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc_dress.irp.f#L3>`_
Locks on CAS determinants to fill delta_ij
`run <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc.irp.f#L10>`_
Undocumented
`run_mrcc <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc.irp.f#L42>`_
Undocumented
`run_mrcc_test <http://github.com/LCPQ/quantum_package/tree/master/src/MRCC/mrcc.irp.f#L29>`_
Undocumented