Black hole entropy in LQG: Recent developments

Alejandro Perez 1, 2
Abstract : We review recent results that indicate that black hole entropy and other thermodynamical quantities can be consistently computed in LQG and that the results are in agreement with Hawking's semiclassical analysis for all values of the Immirzi parameter. This new results are based on the identification of a physical notion of energy for local observers close to the black hole horizon and the proper treatment of the number of punctures as a non trivial observable in the Chern-Simons description of the quantum horizon degrees of freedom.
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Alejandro Perez. Black hole entropy in LQG: Recent developments. Spanish Relativity Meeting 2011 (ERE2011), Aug 2011, Madrid, Spain. 1458, pp.100, 2012, AIP Conference Proceedings : Towards New Paradigms: Proceeding Of The Spanish Relativity Meeting 2011. 〈10.1063/1.4734407〉. 〈hal-01269611〉



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