Regularization parameters for the self-force of a scalar particle in a general orbit about a Schwarzschild black hole

Details Regularization parameters for the self-force of a scalar particle in a general orbit about a Schwarzschild black hole Regularization parameters for the self-force of a scalar particle in a general orbit about a Schwarzschild black hole

2010-01-25

arxiv.org/abs/1001.4321v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

27 pages, no figure

Scientific paper

The interaction of a charged particle with its own field results in the "self-force" on the particle, which includes but is more general than the radiation reaction force. In the vicinity of the particle in curved spacetime, one may follow Dirac and split the retarded field of the particle into two parts, (1) the singular source field, \sim q/r, and (2) the regular remainder field. The singular source field exerts no force on the particle, and the self-force is entirely caused by the regular remainder. We describe an elementary multipole decomposition of the singular source field which allows for the calculation of the self-force on a scalar-charged particle orbiting a Schwarzschild black hole.

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