Self force on particle in orbit around a black hole

Details Self force on particle in orbit around a black hole Self force on particle in orbit around a black hole

2000-03-17

arxiv.org/abs/gr-qc/0003074v1

Phys.Rev.Lett. 84 (2000) 4529

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTeX, 4 pages, 4 Encapsulated PostScript figures. Submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.84.4529

We study the self force acting on a scalar charge in uniform circular motion around a Schwarzschild black hole. The analysis is based on a direct calculation of the self force via mode decomposition, and on a regularization procedure based on Ori's mode-sum regularization prescription. We find the four self-force at arbitrary radii and angular velocities (both geodesic and non-geodesic), in particular near the black hole, where general-relativistic effects are strongest, and for fast motion. We find the radial component of the self force to be repulsive or attractive, depending on the orbit.

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