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Title: Density functional theory for d- and f-electron materials and compounds

Journal Article · · International Journal of Quantum Chemistry
DOI:https://doi.org/10.1002/qua.25097· OSTI ID:1246334
 [1];  [2]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Here, the fundamental requirements for a computationally tractable Density Functional Theory-based method for relativistic f- and (nonrelativistic) d-electron materials and compounds are presented. The need for basing the Kohn–Sham equations on the Dirac equation is discussed. The full Dirac scheme needs exchange-correlation functionals in terms of four-currents, but ordinary functionals, using charge density and spin-magnetization, can be used in an approximate Dirac treatment. The construction of a functional that includes the additional confinement physics needed for these materials is illustrated using the subsystem-functional scheme. If future studies show that a full Dirac, four-current based, exchange-correlation functional is needed, the subsystem functional scheme is one of the few schemes that can still be used for constructing functional approximations. © 2016 Wiley Periodicals, Inc.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000; AC52-06NA25396
OSTI ID:
1246334
Alternate ID(s):
OSTI ID: 1321776
Report Number(s):
SAND-2016-0047J; LA-UR-16-21039; 617545
Journal Information:
International Journal of Quantum Chemistry, Vol. 49, Issue 6; ISSN 0020-7608
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

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