Black hole radiation spectrum in LQG: Isolated Horizon framework

Details Black hole radiation spectrum in LQG: Isolated Horizon framework Black hole radiation spectrum in LQG: Isolated Horizon framework

2007-06-14

arxiv.org/abs/0706.1979v2

Class.Quant.Grav.25:105007,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, 2 figures; version to appear in Classical and Quantum Gravity

Scientific paper

10.1088/0264-9381/25/10/105007

Recent detailed analysis within the Loop Quantum Gravity calculation of black hole entropy shows a stair-like structure in the behavior of entropy as a function of horizon area. The non-trivial distribution of the degeneracy of the black hole horizon area eigenstates is at the origin of this behavior. This degeneracy distribution is analyzed and a phenomenological model is put forward to study the implications of this distribution in the black hole radiation spectrum. Some qualitative quantum effects are obtained within the isolated horizon framework. This result provides us with a possible observational test of this model for quantum black holes.

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