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Título: | Flux-area operator and black hole entropy |
Autor: | Barbero González, Jesús Fernando CSIC ORCID CVN; Lewandowski, Jerzy; Villaseñor, Eduardo J. S. CSIC ORCID | Fecha de publicación: | 2009 | Editor: | American Physical Society | Citación: | Physical Review D - Particles, Fields, Gravitation and Cosmology 80 (2009) | Resumen: | We show that, for space-times with inner boundaries, there exists a natural area operator different from the standard one used in loop quantum gravity. This new flux-area operator has equidistant eigenvalues. We discuss the consequences of substituting the standard area operator in the Ashtekar-Baez-Corichi-Krasnov definition of black hole entropy by the new one. Our choice simplifies the definition of the entropy and allows us to consider only those areas that coincide with the one defined by the value of the level of the Chern-Simons theory describing the horizon degrees of freedom. We give a prescription to count the number of relevant horizon states by using spin components and obtain exact expressions for the black hole entropy. Finally we derive its asymptotic behavior, discuss several issues related to the compatibility of our results with the Bekenstein-Hawking area law and the relation with Schwarzschild quasinormal modes. © 2009 The American Physical Society. | URI: | http://hdl.handle.net/10261/73252 | DOI: | 10.1103/PhysRevD.80.044016 | Identificadores: | doi: 10.1103/PhysRevD.80.044016 issn: 1550-7998 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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Barbero.pdf | 207,52 kB | Adobe PDF | Visualizar/Abrir |
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