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The coulomb hole and the correlation energy for the electron gas at intermediate densities

โœ Scribed by M. Berrondo; O. Goscinski

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
427 KB
Volume
81
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

An approximation for the correIation energy of the electron gas is derived (employing a direct modelling of the Coulomb hole) for the pair distribution function: ec(rs) = -0.303&, + 1_108) rydberg. It is of the same form as the expressions of Wigner and of McWeeny.

๐Ÿ“œ SIMILAR VOLUMES

The antiparallel electron correlation co
The antiparallel electron correlation coefficient and Coulomb hole structure
โœ Wei-Xing Xu ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 277 KB

Based on the charge density functional theory, a simple method is proposed to calculate the antiparallel electron correlation coefficient, correlation charge, and correlation energy. In contrast to the result stated in the literature, our analysis reveals that the Coulomb hole has a fine structure.