Gauge Symmetries and Holographic Anomalies of Chern-Simons and Transgression AdS Gravity
arXiv:1408.1436 · doi:10.1007/JHEP04(2015)090
Abstract
We review the issue of gauge and gravitational anomalies with backgrounds, maybe offering a new outlook on some aspects of these questions. We compute the holographic anomalies of hypothetical theories dual, in the sense of the AdS-CFT correspondence, to Chern-Simons AdS gravities. Those anomalies are either gauge anomalies associated to the AdS gauge group of the theory or diffeomorphism anomalies, with each kind related to the other. As a result of using suitable action principles por Chern-Simons AdS gravities, coming from Transgression forms, we obtain finite results without the need for further regularization. Our results are of potential interest for Lovelock gravity theories, as it has been shown that the boundary terms dictated by the transgressions for Chern-Simons gravities are also suitable to regularize Lovelock theories. The Wess-Zumino consistency condition ensures that anomalies of the generic form computed here should appear for these and other theories.
arXiv commentThis work and arXiv:1407.6032 started as a rewritting of arXiv:1010.5110 (which was not published in a journal), therefore there may may be some ovelap in the review sections
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