Journal
PHYSICS LETTERS B
Volume 781, Issue -, Pages 48-54Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2018.03.058
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Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq-Brazil)
- Faperj, Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro
- SR2-UERJ
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- DFG [Ei/1037-1]
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In light of the recently established BRST invariant formulation of the Gribov-Zwanziger theory, we show that Zwanziger's horizon function displays a universal character. More precisely, the correlation functions of local BRST invariant operators evaluated with the Yang-Mills action supplemented with a BRST invariant version of the Zwanziger's horizon function and quantized in an arbitrary class of covariant, color invariant and renormalizable gauges which reduce to the Landau gauge when all gauge parameters are set to zero, have a unique, gauge parameters independent result, corresponding to that of the Landau gauge when the restriction to the Gribov region Omega in the latter gauge is imposed. As such, thanks to the BRST invariance, the cut-off at the Gribov region Omega acquires a gauge independent meaning in the class of the physical correlators. (C) 2018 The Authors. Published by Elsevier B.V.
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