Flow equations for Yang-Mills theories in general axial gauges

被引：98
作者：
Litim, DF
Pawlowski, JM
机构：
[1] Univ Barcelona, Fac Fis, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain
[2] Univ Barcelona, Fac Fis, IFAE, E-08028 Barcelona, Spain
[3] Dublin Inst Adv Studies, Dublin 4, Ireland
来源：
PHYSICS LETTERS B | 1998年 / 435卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(98)00761-8
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a formulation of non-Abelian gauge theories in general axial gauges using a Wilsonian (or 'Exact') Renormalisation Group. No 'spurious' propagator divergencies an encountered in contrast to standard perturbation theory. Modified Ward identities, compatible with the flow equation, ensure gauge invariance of physical Green functions. The axial gauge nA = 0 is shown to be a fixed point under the now equation. Possible non-perturbative approximation schemes and further applications are outlined. (C) 1998 Elsevier Science B.V. All rights reserved.
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收藏
页码：181 / 188
页数：8
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