Gravitational Chern-Simons Lagrangians and black hole entropy

Details Gravitational Chern-Simons Lagrangians and black hole entropy Gravitational Chern-Simons Lagrangians and black hole entropy

2011-04-13

arxiv.org/abs/1104.2523v2

Physics

High Energy Physics

High Energy Physics - Theory

39 pages

Scientific paper

10.1007/JHEP07(2011)085

We analyze the problem of defining the black hole entropy when Chern-Simons terms are present in the action. Extending previous works, we define a general procedure, valid in any odd dimensions both for purely gravitational CS terms and for mixed gauge-gravitational ones. The final formula is very similar to Wald's original formula valid for covariant actions, with a significant modification. Notwithstanding an apparent violation of covariance we argue that the entropy formula is indeed covariant.

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