PROBLEMS OF PERTURBATION-SERIES IN NONEQUILIBRIUM QUANTUM-FIELD THEORIES

被引：50

作者：

ALTHERR, T

SEIBERT, D

机构：

[1] LAPP,F-74941 ANNECY LE VIEUX,FRANCE

[2] KENT STATE UNIV,DEPT PHYS,KENT,OH 44242

来源：

PHYSICS LETTERS B | 1994年 / 333卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(94)91021-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of delta-functions do not cancel in a perturbative expansion unless the particle distributions are those for a system in thermal and chemical equilibrium.

引用

页码：149 / 152

页数：4

共 17 条

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