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Article overview
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Quantum Geometry and Black Hole Entropy | | A. Ashtekar
; J. Baez
; A. Corichi
; K. Krasnov
; | | Date: |
1 Oct 1997 | | Journal: | Phys.Rev.Lett. 80 (1998) 904-907 | | Subject: | gr-qc hep-th | | Abstract: | A `black hole sector’ of non-perturbative canonical quantum gravity is introduced. The quantum black hole degrees of freedom are shown to be described by a Chern-Simons field theory on the horizon. It is shown that the entropy of a large non-rotating black hole is proportional to its horizon area. The constant of proportionality depends upon the Immirzi parameter, which fixes the spectrum of the area operator in loop quantum gravity; an appropriate choice of this parameter gives the Bekenstein-Hawking formula S = A/4*l_p^2. With the same choice of the Immirzi parameter, this result also holds for black holes carrying electric or dilatonic charge, which are not necessarily near extremal. | | Source: | arXiv, gr-qc/9710007 | | Services: | Forum | Review | PDF | Favorites | |
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