10
0
mirror of https://github.com/QuantumPackage/qp2.git synced 2024-12-22 20:34:58 +01:00
QuantumPackage/man/cis.1
Anthony Scemama 8b22e38c9c
Develop (#15)
* fixed laplacian of aos

* corrected the laplacians of aos

* added dft_one_e

* added new feature for new dft functionals

* changed the configure to add new functionals

* changed the configure

* added dft_one_e/README.rst

* added README.rst in new_functionals

* added source/programmers_guide/new_ks.rst

* Thesis Yann

* Added gmp installation in configure

* improved qp_e_conv_fci

* Doc

* Typos

* Added variance_max

* Fixed completion in qp_create

* modif TODO

* fixed DFT potential for n_states gt 1

* improved pot pbe

* trying to improve sr PBE

* fixed potential pbe

* fixed the vxc smashed for pbe sr and normal

* Comments in selection

* bug fixed by peter

* Fixed bug with zero beta electrons

* Update README.rst

* Update e_xc_new_func.irp.f

* Update links.rst

* Update quickstart.rst

* Update quickstart.rst

* updated cipsi

* Fixed energies of non-expected s2 (#9)

* Moved diag_algorithm in Davdison

* Add print_ci_vector in tools (#11)

* Fixed energies of non-expected s2

* Moved diag_algorithm in Davdison

* Fixed travis

* Added print_ci_vector

* Documentation

* Cleaned qp_set_mo_class.ml

* Removed Core in taskserver

* Merge develop-toto and manus (#12)

* Fixed energies of non-expected s2

* Moved diag_algorithm in Davdison

* Fixed travis

* Added print_ci_vector

* Documentation

* Cleaned qp_set_mo_class.ml

* Removed Core in taskserver

* Frozen core for heavy atoms

* Improved molden module

* In sync with manus

* Fixed some of the documentation errors

* Develop toto (#13)

* Fixed energies of non-expected s2

* Moved diag_algorithm in Davdison

* Fixed travis

* Added print_ci_vector

* Documentation

* Cleaned qp_set_mo_class.ml

* Removed Core in taskserver

* Frozen core for heavy atoms

* Improved molden module

* In sync with manus

* Fixed some of the documentation errors

* Develop manus (#14)

* modified printing for rpt2

* Comment

* Fixed plugins

* Scripting for functionals

* Documentation

* Develop (#10)

* fixed laplacian of aos

* corrected the laplacians of aos

* added dft_one_e

* added new feature for new dft functionals

* changed the configure to add new functionals

* changed the configure

* added dft_one_e/README.rst

* added README.rst in new_functionals

* added source/programmers_guide/new_ks.rst

* Thesis Yann

* Added gmp installation in configure

* improved qp_e_conv_fci

* Doc

* Typos

* Added variance_max

* Fixed completion in qp_create

* modif TODO

* fixed DFT potential for n_states gt 1

* improved pot pbe

* trying to improve sr PBE

* fixed potential pbe

* fixed the vxc smashed for pbe sr and normal

* Comments in selection

* bug fixed by peter

* Fixed bug with zero beta electrons

* Update README.rst

* Update e_xc_new_func.irp.f

* Update links.rst

* Update quickstart.rst

* Update quickstart.rst

* updated cipsi

* Fixed energies of non-expected s2 (#9)

* Moved diag_algorithm in Davdison

* some modifs

* modified gfortran_debug.cfg

* fixed automatization of functionals

* modified e_xc_general.irp.f

* minor modifs in ref_bitmask.irp.f

* modifying functionals

* rs_ks_scf and ks_scf compiles with the automatic handling of functionals

* removed prints

* fixed configure

* fixed the new functionals

* Merge toto

* modified automatic functionals

* Changed python into python2

* from_xyz suppressed

* Cleaning repo

* Update README.md

* Update README.md

* Contributors

* Update GITHUB.md

* bibtex
2019-03-07 16:29:06 +01:00

137 lines
3.1 KiB
Groff

.\" Man page generated from reStructuredText.
.
.TH "CIS" "1" "Mar 07, 2019" "2.0" "Quantum Package"
.SH NAME
cis \- | Quantum Package >
.
.nr rst2man-indent-level 0
.
.de1 rstReportMargin
\\$1 \\n[an-margin]
level \\n[rst2man-indent-level]
level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
-
\\n[rst2man-indent0]
\\n[rst2man-indent1]
\\n[rst2man-indent2]
..
.de1 INDENT
.\" .rstReportMargin pre:
. RS \\$1
. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
. nr rst2man-indent-level +1
.\" .rstReportMargin post:
..
.de UNINDENT
. RE
.\" indent \\n[an-margin]
.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
.nr rst2man-indent-level -1
.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
..
.INDENT 0.0
.INDENT 3.5
Configuration Interaction with Single excitations.
.sp
This program takes a reference Slater determinant of ROHF\-like
occupancy, and performs all single excitations on top of it.
Disregarding spatial symmetry, it computes the \fIn_states\fP lowest
eigenstates of that CI matrix. (see \fBdeterminants n_states\fP)
.sp
This program can be useful in many cases:
.INDENT 0.0
.IP 1. 3
Ground state calculation
.sp
To be sure to have the lowest SCF solution, perform an scf
(see the module_hartree_fock module), then a \fI\%cis\fP, save the
natural orbitals (see save_natorb) and re\-run an scf
optimization from this MO guess.
.IP 2. 3
Excited states calculations
.sp
The lowest excited states are much likely to be dominated by
single\-excitations. Therefore, running a \fI\%cis\fP will save the
\fIn_states\fP lowest states within the CIS space in the \fI\%EZFIO\fP
directory, which can afterwards be used as guess wave functions for
a further multi\-state FCI calculation if \fBdeterminants
read_wf\fP is set to \fBtrue\fP before running the fci executable.
.UNINDENT
.sp
If \fBdeterminants s2_eig\fP is set to \fBtrue\fP, the CIS
will only retain states having the expected \ewidehat{S^2} value (see
\fBdeterminants expected_s2\fP). Otherwise, the CIS will take
the lowest \fBdeterminants n_states\fP, whatever multiplicity
they are.
.sp
\fBNOTE:\fP
.INDENT 0.0
.INDENT 3.5
To discard some orbitals, use the qp_set_mo_class
command to specify:
.INDENT 0.0
.IP \(bu 2
\fIcore\fP orbitals which will be always doubly occupied
.IP \(bu 2
\fIact\fP orbitals where an electron can be either excited from or to
.IP \(bu 2
\fIdel\fP orbitals which will be never occupied
.UNINDENT
.UNINDENT
.UNINDENT
.sp
Needs:
.INDENT 0.0
.INDENT 2.0
.IP \(bu 2
\fBread_wf\fP
.UNINDENT
.INDENT 2.0
.UNINDENT
.INDENT 2.0
.UNINDENT
.UNINDENT
.sp
Calls:
.INDENT 0.0
.INDENT 2.0
.IP \(bu 2
\fBrun()\fP
.UNINDENT
.INDENT 2.0
.UNINDENT
.INDENT 2.0
.UNINDENT
.UNINDENT
.sp
Touches:
.INDENT 0.0
.INDENT 2.0
.IP \(bu 2
\fBfock_matrix_ao_alpha\fP
.IP \(bu 2
\fBfock_matrix_ao_alpha\fP
.UNINDENT
.INDENT 2.0
.IP \(bu 2
\fBmo_coef\fP
.IP \(bu 2
\fBlevel_shift\fP
.UNINDENT
.INDENT 2.0
.IP \(bu 2
\fBmo_coef\fP
.IP \(bu 2
\fBread_wf\fP
.UNINDENT
.UNINDENT
.UNINDENT
.UNINDENT
.SH AUTHOR
A. Scemama, E. Giner
.SH COPYRIGHT
2019, A. Scemama, E. Giner
.\" Generated by docutils manpage writer.
.