INFRARED SINGULARITIES CANCELLATION IN REACTION-RATES AT FINITE TEMPERATURE

被引：16
作者：
ALTHERR, T
机构：
[1] LAPP, F-74941 Annecy-le-Vieux
来源：
PHYSICS LETTERS B | 1991年 / 262卷 / 2-3期
关键词：
D O I：
10.1016/0370-2693(91)91573-E
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Using dispersion relations, we show the cancellation of infrared singularities in reaction rates at finite temperature for topologies involving self-energy insertions at all orders of the perturbation theory. We discuss also other topologies and possible generalizations.
引用
收藏
页码：314 / 319
页数：6
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