期刊
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY
卷 100, 期 6, 页码 1047-1056出版社
WILEY-BLACKWELL
DOI: 10.1002/qua.20259
关键词
density functional theory; local density approximation; uniform electron gas; short-range interaction; long-range interaction
We calculate the short-range exchange-correlation energy of the uniform electron gas with two modified electron-electron interactions. While the short-range exchange functionals are calculated analytically, coupled-cluster and Fermi-hypernetted-chain calculations are carried out for the correlation energy and the results are fitted to an analytical parametrization. These data enable us to construct the local density approximation corresponding to these modified interactions. (C) 2004 Wiley Periodicals, Inc.
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