Suppression of Bekenstein-Hawking radiation in $f(T)$-gravity
General Relativity and Quantum Cosmology
2018-02-14 v1 High Energy Physics - Theory
Abstract
We discuss semiclassical Nariai black holes in the framework of -gravity. For a diagonal choice of tetrades, stable Nariai metrics can be found, emitting Bekenstein-Hawking radiation in semiclassical limit. However, for a non-diagonal choice of tetrades, evaporation and antievaporation instabilities are turned on. In turn, this causes a back-reaction effect suppressing the Bekenstein-Hawking radiation. In particular, evaporation instabilities produce a new radiation -- different by Bekenstein-Hawking emission -- non-violating unitarity in particle physics sector.
Keywords
Cite
@article{arxiv.1707.02874,
title = {Suppression of Bekenstein-Hawking radiation in $f(T)$-gravity},
author = {Andrea Addazi},
journal= {arXiv preprint arXiv:1707.02874},
year = {2018}
}