Quantum superradiance on static black hole space-times
General Relativity and Quantum Cosmology
2020-11-10 v2 High Energy Physics - Theory
Abstract
We study the quantum analogue of the classical process of superradiance for a massless charged scalar field on a static charged black hole space-time. We show that an "in" vacuum state, which is devoid of particles at past null infinity, contains an outgoing flux of particles at future null infinity. This radiation is emitted in the superradiant modes only, and is nonthermal in nature.
Cite
@article{arxiv.2010.01630,
title = {Quantum superradiance on static black hole space-times},
author = {Visakan Balakumar and Rafael P. Bernar and Luis C. B. Crispino and Elizabeth Winstanley},
journal= {arXiv preprint arXiv:2010.01630},
year = {2020}
}
Comments
7 pages, 5 figures, minor changes, accepted for publication in Physics Letters B