Quantum Geometry and Thermal Radiation from Black Holes

Details Quantum Geometry and Thermal Radiation from Black Holes Quantum Geometry and Thermal Radiation from Black Holes

1997-10-01

arxiv.org/abs/gr-qc/9710006v2

Class.Quant.Grav. 16 (1999) 563-578

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

19 pages, 4 figures, modified version to appear in Class. Quant. Grav

Scientific paper

10.1088/0264-9381/16/2/018

A quantum mechanical description of black hole states proposed recently within non-perturbative quantum gravity is used to study the emission and absorption spectra of quantum black holes. We assume that the probability distribution of states of the quantum black hole is given by the ``area'' canonical ensemble, in which the horizon area is used instead of energy, and use Fermi's golden rule to find the line intensities. For a non-rotating black hole, we study the absorption and emission of s-waves considering a special set of emission lines. To find the line intensities we use an analogy between a microscopic state of the black hole and a state of the gas of atoms.

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