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

被引：13

作者：

Bernar, Rafael P. ^{[1
]}

Crispino, Luis C. B. ^{[1
]}

Higuchi, Atsushi ^{[2
]}

机构：

[1] Fed Univ Para, Fac Fis, BR-66075110 Belem, Para, Brazil

[2] Univ York, Dept Math, York YO10 5DD, N Yorkshire, England

来源：

PHYSICAL REVIEW D | 2017年 / 95卷 / 06期

关键词：

CIRCULAR ORBIT; RADIATION; PERTURBATIONS; FIELD;

D O I：

10.1103/PhysRevD.95.064042

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：14

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