Original scientific paper

Ground state energy of many-body Fermi system by using Feenberg perturbation theory

Srećko Kilić ; Faculty of Natural Sciences and Arts, University of Split, Croatia

Abstract

In this paper we derive an expression for the ground state energy of N identical interacting fermions by using Brillouin-Wigner-Feenberg perturbation theory. It represents a generalization of the Gell-Mann-Brueckner formula which was obtained for dense electron gas.

Keywords

Hrčak ID:

299308

URI

https://hrcak.srce.hr/299308

Publication date:

1.4.1992.

Article data in other languages: croatian

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