LIBMBD MBD BETA: Difference between revisions
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[[Category:INCAR tag]][[Category:Exchange-correlation functionals]][[Category:van der Waals functionals]] | |||
Revision as of 11:15, 19 March 2024
LIBMBD_MBD_BETA = [real]
Default: LIBMBD_MBD_BETA = value that was determined for the exchange-correlation functional set with LIBMBD_XC
Description: LIBMBD_MBD_BETA sets the value of the scaling factor (usually denoted ) in the many-body methods as implemented in the library libMBD of many-body dispersion methods[1][2][3].
LIBMBD_MBD_BETA allows to choose the value of the damping parameter in the many-body methods as implemented in the library libMBD of many-body dispersion methods[1][2][3]. The value is internally passed to the libMBD input mbd_beta described at the page [4]. LIBMBD_MBD_BETA is the same as the VDW_SR tag that is used for the VASP implementation of the many-body methods.
| Mind: LIBMBD_MBD_BETA can be set only if LIBMBD_XC=none. |
| Important: This feature is available from VASP.6.5.0 onwards that needs to be compiled with -DLIBMBD. |
libMBD is a separate library package that has to be downloaded[2] and compiled before VASP is compiled with the corresponding precompiler options and links to the libraries.
Related tags and articles
LIBMBD_METHOD, LIBMBD_XC, LIBMBD_MBD_A, Many-body dispersion energy
References
- ↑ a b https://libmbd.github.io/
- ↑ a b c https://github.com/libmbd/libmbd
- ↑ a b J. Hermann, M. Stöhr, S. Góger, S. Chaudhuri, B. Aradi, R. J. Maurer, and A. Tkatchenko, libMBD: A general-purpose package for scalable quantum many-body dispersion calculations, J. Chem. Phys. 159, 174802 (2023).
- ↑ https://libmbd.github.io/type/mbd_input_t.html