Gravitational waves emitted by a particle rotating around a Schwarzschild black hole: A semiclassical approach
General Relativity and Quantum Cosmology
2017-04-03 v1
Abstract
We analyze the gravitational radiation emitted from a particle in circular motion around a Schwarzschild black hole using the framework of quantum field theory in curved spacetime at tree level. The gravitational perturbations are written in a gauge-invariant formalism for spherically symmetric spacetimes. We discuss the results, comparing them to the radiation emitted by a particle when it is assumed to be orbiting a massive object due to a Newtonian force in flat spacetime.
Keywords
Cite
@article{arxiv.1703.10648,
title = {Gravitational waves emitted by a particle rotating around a Schwarzschild black hole: A semiclassical approach},
author = {Rafael P. Bernar and Luís C. B. Crispino and Atsushi Higuchi},
journal= {arXiv preprint arXiv:1703.10648},
year = {2017}
}
Comments
13 pages, REVTeX, 10 figures