Gauged WZW Models Via Equivariant Cohomology

Details Gauged WZW Models Via Equivariant Cohomology Gauged WZW Models Via Equivariant Cohomology

2010-08-01

arxiv.org/abs/1008.0206v1

Mod.Phys.Lett.A26:1343-1352,2011

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, no figures

Scientific paper

10.1142/S0217732311035754

The problem of computing systematically the gauge invariant extension of WZW term through equivariant cohomology is addressed. The analysis done by Witten in the two-dimensional case is extended to the four-dimensional ones. While Cartan's model is used to find the anomaly cancelation condition. It is shown that the Weil model is more appropriated to find the gauge invariant extension of the WZW term. In the process we point out that Weil's and Cartan's models are also useful to stress some connections with the abelian anomaly.

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