LEADING T3-BEHAVIOR AND VERTEX-CONFIGURATION DEPENDENCE OF REAL-TIME THERMAL QCD COUPLING

被引：18

作者：

NAKKAGAWA, H ^{[1
]}

NIEGAWA, A ^{[1
]}

YOKOTA, H ^{[1
]}

机构：

[1] OSAKA CITY UNIV,DEPT PHYS,SUMIYOSHI KU,OSAKA 558,JAPAN

来源：

PHYSICS LETTERS B | 1990年 / 244卷 / 01期

关键词：

D O I：

10.1016/0370-2693(90)90270-G

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The properties of effective coupling in real-time thermal QCD are investigated at one-loop order in the large-T regime, focusing on its strong dependence on the momentum configuration of a vertex. A striking observation is that the leading large-T behavior in a general vertex-configuration is cubic in T, a-1 ∼ T3, which is solely controlled by those contributions that have been overlooked so far. The relation with the coupling defined in the imaginary time formalism is also discussed. © 1990.

引用

页码：63 / 67

页数：5

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