Finite Nilpotent Symmetry for Gauge Theories

Details Finite Nilpotent Symmetry for Gauge Theories Finite Nilpotent Symmetry for Gauge Theories

2011-12-30

arxiv.org/abs/1201.0084v1

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, No figures, Revtex

Scientific paper

We construct the finite version of mixed BRST (combination of BRST and anti-BRST) transformations for pure gauge theories. These are shown to be an exact nilpotent symmetry of both the effective action as well as the generating functional for certain choices of the finite parameters. We show that the Jacobian contributions for path integral measure in the definition of generating functional arising from BRST and anti-BRST part compensate each other. Finite mixed BRST transformations are also considered in field/antifield formulation to show that the solutions of quantum master equation remain invariant under these. Our results are supported by several explicit examples.

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