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QuantumPackage/docs/source/modules/dft_keywords.rst

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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
.. _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`
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