Exchange and correlation in density-functional theory
- 15 September 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 32 (6), 3876-3882
- https://doi.org/10.1103/physrevb.32.3876
Abstract
Expressions for the exchange-correlation energy and potential are given in terms of the perturbation series of the Coulomb interaction. The asymptotic behavior of the exchange-correlation potential for a confined system is derived. Improvement over the local-density approximation is explored.Keywords
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