Gravitational waves emitted by a particle rotating around a Schwarzschild black hole: A semiclassical approach

Atsushi Higuchi; Lu\'is C. B. Crispino; Rafael P. Bernar

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Gravitational waves emitted by a particle rotating around a Schwarzschild black hole: A semiclassical approach

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arxiv 1703.10648 v1 pith:H5ZSTB6Z submitted 2017-03-30 gr-qc

Rafael P. Bernar , Luís C. B. Crispino , Atsushi Higuchi This is my paper · ORCID

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keywords emittedgravitationalparticlearoundblackholeradiationschwarzschild

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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.

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