We discuss the topological and global gauge properties of the formula for a black hole entropy due to a purely gravitational Chern-Simons term. We study under what topological and geometrical conditions this formula is well-defined. To this end we have to analyze the global properties of the Chern-Simons term itself and the quantization of its coupling. We show that in some cases the coupling quantization may interfere with the well-definiteness of the entropy formula.
Gravitational Chern-Simons terms and black hole entropy. Global aspects / Bonora, Loriano; Cvitan, M; Prester, P. D.; Pallua, S; Smolic, I.. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 2012:10(2012), pp. 077.1-077.37. [10.1007/JHEP10(2012)077]
Gravitational Chern-Simons terms and black hole entropy. Global aspects
Bonora, Loriano;
2012-01-01
Abstract
We discuss the topological and global gauge properties of the formula for a black hole entropy due to a purely gravitational Chern-Simons term. We study under what topological and geometrical conditions this formula is well-defined. To this end we have to analyze the global properties of the Chern-Simons term itself and the quantization of its coupling. We show that in some cases the coupling quantization may interfere with the well-definiteness of the entropy formula.| File | Dimensione | Formato | |
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