ON THE 3-POINT FUNCTION IN FINITE TEMPERATURE-FIELD THEORY

被引：13

作者：

AURENCHE, P

PETITGIRARD, E

GAZTELURRUTIA, TD

机构：

来源：

PHYSICS LETTERS B | 1992年 / 297卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(92)91272-B

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the three-point function in finite temperature field theory. In particular we study the temperature dependence, at the one loop level, of the retarded and advanced vertex functions which can be defined both in the imaginary time and in the real time formalisms. In the high temperature limit the various vertex functions differ, in general, by terms of O(T) which are sensitive to the soft momentum scale.

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页码：337 / 344

页数：8

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