ON PERTURBATION EXPANSIONS FOR REAL-TIME GREENS FUNCTIONS

被引：9

作者：

KORENMAN, V

机构：

[1] Department of Physics and Astronomy, Center for Theoretical Physics, University of Maryland, College Park, MD

来源：

JOURNAL OF MATHEMATICAL PHYSICS | 1969年 / 10卷 / 08期

关键词：

D O I：

10.1063/1.1664977

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A proof by Craig that the perturbation expansion for the real-time self-energy of a particle in a many-particle system has the same form in any statistical state is shown to be invalid and the stated theorem is shown to be untrue.

引用

页码：1387 / &

共 7 条

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