SINGULARITIES OF A MEAN FIELD GREEN-FUNCTION

被引：2

作者：

GIRAUD, BG ^{[1
]}

机构：

[1] KYOTO UNIV,DEPT PHYS,KYOTO 60601,JAPAN

来源：

PROGRESS OF THEORETICAL PHYSICS | 1992年 / 88卷 / 06期

关键词：

D O I：

10.1143/PTP.88.1147

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A mean field approximation allows microscopic calculations of an N-body propagator G(z) = (z-H)-1. We investigate singularities of the resulting approximate Green's function, G(mf)(z), by comparing them to the binding energies calculated by the Hartree-Fock approximation. We show that each Hartree-Fock energy induces a singularity of G(mf).

引用

页码：1147 / 1161

页数：15

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