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General Relativity from a gauged WZW term

Andres Anabalon, Steven Willison, Jorge Zanelli

hep-tharXiv:hep-th/0610136

Abstract

In this paper two things are done. First it is shown how a four dimensional gauged Wess-Zumino-Witten term arises from the five dimensional Einstein-Hilbert plus Gauss-Bonnet lagrangian with a special choice of the coefficients. Second, the way in which the equations of motion of four-dimensional General Relativity arise is exhibited.

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