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qp2/docs/source/modules/dft_keywords.rst
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

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* Doc

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* 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

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* Comments in selection

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* Moved diag_algorithm in Davdison

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* Fixed energies of non-expected s2

* Moved diag_algorithm in Davdison

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* Added print_ci_vector

* Documentation

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* 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

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

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.. _module_dft_keywords:
.. program:: dft_keywords
.. default-role:: option
============
dft_keywords
============
This module contains the main keywords related to a DFT calculation or RS-DFT calculation.
These keywords are related to the following programs of the |QP| core modules:
* :ref:`ks_scf` : Kohn-Sham |DFT|
* :ref:`rs_ks_scf` : Range separated Hybrids |DFT|
Modifying the exchange/correlation functionals
----------------------------------------------
To modify the exchange/correlation functionals, see the following keywords:
* :option:`dft_keywords exchange_functional`: type of exchange functionals
* :option:`dft_keywords correlation_functional`: type of correlation functionals
Each of these keywords can have the following value:
* "LDA" or "short_range_LDA" for, respectively the |LDA| and its short-range version
* "PBE" or "short_range_PBE" for, respectively the |PBE| and its short-range version
Modifying the amount of |HF| exchange
-------------------------------------
* :option:`dft_keywords HF_exchange` : only relevent for the :ref:`ks_scf` program
Other related keywords not defined in :ref:`module_dft_keywords`
----------------------------------------------------------------
The keyword for the **range separation parameter** :math:`\mu` is the :option:`ao_two_e_erf_ints mu_erf` keyword.
The keyword for the **type of density used in RS-DFT** calculation with a **multi-configurational wave function** is the :option:`density_for_dft density_for_dft` keyword.
EZFIO parameters
----------------
.. option:: exchange_functional
name of the exchange functional
Default: short_range_LDA
.. option:: correlation_functional
name of the correlation functional
Default: short_range_LDA
.. option:: HF_exchange
Percentage of HF exchange in the DFT model
Default: 0.
Providers
---------
.. c:var:: dft_type
File : :file:`dft_keywords/keywords.irp.f`
.. code:: fortran
character*(32) :: dft_type
defines the type of DFT applied: LDA, GGA etc ...
Needs:
.. hlist::
:columns: 3
* :c:data:`correlation_functional`
* :c:data:`exchange_functional`
.. c:var:: same_xc_func
File : :file:`dft_keywords/keywords.irp.f`
.. code:: fortran
logical :: same_xc_func
true if the exchange and correlation functionals are the same
Needs:
.. hlist::
:columns: 3
* :c:data:`correlation_functional`
* :c:data:`exchange_functional`
Needed by:
.. hlist::
:columns: 3
* :c:data:`ao_potential_alpha_xc`