Cohomological analysis of gauge-fixed gauge theories

被引：14

作者：

Barnich, G

Henneaux, M

Hurth, T ^{[1
]}

Skenderis, K

机构：

[1] CERN, Div Theory, CH-1211 Geneva 23, Switzerland

[2] Univ Valencia, Dept Fis Teor, E-46100 Burjassot, Valencia, Spain

[3] Free Univ Brussels, B-1050 Brussels, Belgium

[4] Ctr Estudios Cient, Valdivia 9, Chile

[5] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany

[6] Univ Utrecht, Spinoza Inst, NL-3584 CE Utrecht, Netherlands

来源：

PHYSICS LETTERS B | 2000年 / 492卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(00)01087-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The relation between the gauge-invariant local BRST cohomology involving the antifields and the gauge-fixed BRST cohomology is clarified. It is shown in particular that the cocycle conditions become equivalent once it is imposed, on the gauge-fixed side, that the BRST cocycles should yield deformations that preserve the nilpotency of the (gauge-fixed) BRST differential. This shows that the restrictions imposed on local counterterms by the quantum Noether condition in the Epstein-Glaser construction of gauge theories are equivalent to the restrictions imposed by BRST invariance on local counterterms in the standard Lagrangian approach. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：376 / 384

页数：9

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