Is soft breaking of BRST symmetry consistent?

Lavrov, Peter
Lechtenfeld, Olaf
Reshetnyak, Alexander

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Publication date

January 2011

DOI

10.15488/1626

Publisher

New York, NY : Springer International Publishing

Abstract

A definition of soft breaking of BEST symmetry in the field-antifield formalism is proposed, valid for general gauge theories and arbitrary gauge fixing. The Ward identities for the generating functionals of Green's functions are derived, and their gauge dependence is investigated. We discuss the Gribov-Zwanziger action to the one-parameter family of gauges. It is argued that gauge theories with a soft breaking of BEST symmetry are inconsistent.DFG/436 RUS 113/669/4LRSS/3558.2010.2RFBR-Ukraine/11-02-90445RFBR/09-02-0007

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Is soft breaking of BRST symmetry consistent?

Abstract

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Is soft breaking of BRST symmetry consistent?

Abstract

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