Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-02-19
Phys.Lett. B508 (2001) 127-136
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, LaTex, added a reference and more comments to the introduction
Scientific paper
10.1016/S0370-2693(01)00502-0
We consider possible superfield representations of extended BRST symmetry for general gauge theories within the principle of gauge-fixing based on a generating equation for the gauge functional. We examine admissible superfield choices for an extended antibracket and delta-operator with given algebraic properties and show that only one of these choices is compatible with the requirement of extended BRST symmetry realized in terms of supertranslations along Grassmann coordinates. We demonstrate that this realization leads to the gauge-independence of the S-matrix.
Lavrov Peter M.
Moshin Pavel Yu.
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