Uniform electron gas from two-particle wavefunctions

Details Uniform electron gas from two-particle wavefunctions Uniform electron gas from two-particle wavefunctions

2001-11-08

arxiv.org/abs/cond-mat/0111141v1

Physics

Condensed Matter

9 pages, 3 figures. To appear in "Electron Correlations and Material Properties 2", edited by A. Gonis, N. Kioussis, and M. Ci

Scientific paper

An approximation for the unknown two-electron wavefunctions (geminals) of the
interacting uniform electron gas is found, starting from the effective screened
Coulomb potential proposed by Overhauser [Can. J. Phys. 73, 683 (1995)]. The
short-range part (small electron-electron distances) of the corresponding pair
density is in accurate agreement with the Quantum Monte Carlo results.

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