Phys. Rev. B 71, 035116 (2005) [7 pages]Exchange-correlation energy functional and virial theorem in the extended constrained-search theoryReceived 10 June 2004; published 27 January 2005 The coupling-constant expression and virial relation for the exchange-correlation energy functional of the extended-constrained search theory [ M. Higuchi and K. Higuchi Phys. Rev. B 69 035113 (2004)] are derived. These provide the guideline for developing and testing the approximate form of the exchange-correlation energy functional. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.71.035116
DOI:
10.1103/PhysRevB.71.035116
PACS:
71.15.Mb, 31.15.Ew, 31.25.Eb
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