A remark on the BRST symmetry in the Gribov-Zwanziger theory

Details A remark on the BRST symmetry in the Gribov-Zwanziger theory A remark on the BRST symmetry in the Gribov-Zwanziger theory

2010-09-21

arxiv.org/abs/1009.4135v2

Phys.Rev.D82:105019,2010

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, final version to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.82.105019

We show that the soft breaking of the BRST symmetry arising in the Gribov-Zwanziger theory can be converted into a linear breaking upon introduction of a set of BRST quartets of auxiliary fields. Due to its compatibility with the Quantum Action Principle, the linearly broken BRST symmetry can be directly converted into a suitable set of useful Slavnov-Taylor identities. As a consequence, it turns out that the renormalization aspects of the Gribov-Zwanziger theory can be addressed by means of the cohomology of a nilpotent local operator

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