Regularization parameters for the self force in Schwarzschild spacetime: I. scalar case

Details Regularization parameters for the self force in Schwarzschild spacetime: I. scalar case Regularization parameters for the self force in Schwarzschild spacetime: I. scalar case

2002-04-30

arxiv.org/abs/gr-qc/0204093v1

Phys.Rev. D66 (2002) 084022

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

20 pages, 1 eps figure

Scientific paper

10.1103/PhysRevD.66.084022

We derive the explicit values of all regularization parameters (RP) for a scalar particle in an arbitrary geodesic orbit around a Schwarzschild black hole. These RP are required within the previously introduced mode-sum method, for calculating the local self-force acting on the particle. In this method one first calculates the (finite) contribution to the self-force due to each individual multipole mode of the particle's field, and then applies a certain regularization procedure to the mode sum, involving the RP. The explicit values of the RP were presented in a recent Letter [Phys. Rev. Lett. {\bf 88}, 091101 (2002)]. Here we give full details of the RP derivation in the scalar case. The calculation of the RP in the electromagnetic and gravitational cases will be discussed in an accompanying paper.

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