FIZIKA A 1 (1992) 2, 135-157

GROUND STATE ENERGY OF MANY-BODY FERMI SYSTEM BY USING FEENBERG PERTURBATION THEORY

SRE∆KO KILI∆
Faculty of Natural Sciences and Arts, University of Split, Croatia

Received 13 July 1992

In this paper we derive an expression of 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.

UDC 538.94

 

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