We analyze the problem of defining the black hole entropy when Chern-Simons terms are present in the action. Extending previous works, w e define a general procedure, valid in any 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. Notwith standing an apparent violation of covariance we argue that the entropy formula is indeed covariant.
Gravitational Chern-Simons Lagrangians and black hole entropy / Bonora, Loriano; Cvitan, M; Prester P., D; Pallua, S; Smolic, I.. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - :7(2011), pp. 1-39. [10.1007/JHEP07(2011)085]
Gravitational Chern-Simons Lagrangians and black hole entropy
Bonora, Loriano;
2011
Abstract
We analyze the problem of defining the black hole entropy when Chern-Simons terms are present in the action. Extending previous works, w e define a general procedure, valid in any 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. Notwith standing an apparent violation of covariance we argue that the entropy formula is indeed covariant.| File | Dimensione | Formato | |
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