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Title

Quantum Geometry and Black Holes

AuthorsBarbero González, Jesús Fernando CSIC ORCID; Perez, Alejandro
Issue Date28-May-2017
PublisherWorld Scientific Publishing
Citation100 Years of General Relativity: Volume 4 Loop Quantum Gravity: 241-279 (2017)
AbstractWe present an overall picture of the advances in the description of black hole physics from the perspective of loop quantum gravity. After an introduction that discusses the main conceptual issues we present some details about the classical and quantum geometry of isolated horizons and their quantum geometry and then use this scheme to give a natural definition of the entropy of black holes. The entropy computations can be neatly expressed in the form of combinatorial problems solvable with the help of methods based on number theory and the use of generating functions. The recovery of the Bekenstein-Hawking law and corrections to it is explained in some detail. After this, due attention is paid to the discussion of semiclassical issues. An important point in this respect is the proper interpretation of the horizon area as the energy that should appear in the statistical-mechanical treatment of the black hole model presented here. The chapter ends with a comparison between the microscopic and semiclassical approaches to the computation of the entropy and discusses a number of issues regarding the relation between entanglement and statistical entropy and the possibility of comparing the subdominant (logarithmic) corrections to the entropy obtained with the help of the Euclidean path integral with the ones obtained in the present framework.
URIhttp://hdl.handle.net/10261/163047
Identifiersisbn: 978-9813209923
Appears in Collections:(CFMAC-IEM) Libros y partes de libros

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