3-POINT FUNCTION AT FINITE TEMPERATURE IN THE REAL-TIME FORMALISM

被引：28

作者：

KOBES, R

机构：

[1] Department of Physics, University of Winnipeg, Winnipeg, MAN. R3B 2E9

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.67.1384

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

One-particle-irreducible amputated graphs differ qualitatively at finite temperature when calculated in the imaginary-time and real-time formalisms. Here we show within the real-time formalism for the three-point function that when external propagators are attached certain amputated functions can be inferred which have a close relation to those of the imaginary-time formalism.

引用

页码：1384 / 1387

页数：4

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