Kappa - Poincare dispersion relations and the black hole radiation

Details Kappa - Poincare dispersion relations and the black hole radiation Kappa - Poincare dispersion relations and the black hole radiation

2001-08-28

arxiv.org/abs/gr-qc/0108069v1

Phys.Lett. B521 (2001) 364-370

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 2 figures

Scientific paper

10.1016/S0370-2693(01)01235-7

Following the methods developed by Corley and Jacobson, we consider qualitatively the issue of Hawking radiation in the case when the dispersion relation is dictated by quantum kappa-Poincare algebra. This relation corresponds to field equations that are non-local in time, and, depending on the sign of the parameter kappa, to sub- or superluminal signal propagation. We also derive the conserved inner product, that can be used to count modes, and therefore to obtain the spectrum of black hole radiation in this case.

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