Background gauge invariance in the antifield formalism for theories with open gauge algebras

Details Background gauge invariance in the antifield formalism for theories with open gauge algebras Background gauge invariance in the antifield formalism for theories with open gauge algebras

1994-10-17

arxiv.org/abs/hep-th/9410116v2

Class.Quant.Grav. 12 (1995) 2487-2498

Physics

High Energy Physics

High Energy Physics - Theory

17pp., Latex, mispelling in my name! corrected, no other changes

Scientific paper

10.1088/0264-9381/12/10/008

We show that any BRST invariant quantum action with open or closed gauge algebra has a corresponding local background gauge invariance. If the BRST symmetry is anomalous, but the anomaly can be removed in the antifield formalism, then the effective action possesses a local background gauge invariance. The presence of antifields (BRST sources) is necessary. As an example we analyze chiral $W_3$ gravity.

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