Variational approach to the calculation of the dielectric function of an electron gas: exchange and collisions

Jha, Sudhanshu S. ; Gupta, K. K. ; Woo, James W. F. (1971) Variational approach to the calculation of the dielectric function of an electron gas: exchange and collisions Physical Review B, 4 (3). 1005–1008. ISSN 0163-1829

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Official URL: http://link.aps.org/doi/10.1103/PhysRevB.4.1005

Related URL: http://dx.doi.org/10.1103/PhysRevB.4.1005

Abstract

In a recent work of Woo and Jha, the exchange correlations in a uniform electron gas were calculated. They ignored the Coulomb correlations completely. To describe the physical properties of an electron gas at metallic densities, we propose a variational method to calculate the dielectric function which takes into account the local-field corrections due to both Coulomb and exchange holes.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:14017
Deposited On:12 Nov 2010 09:23
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