Regularization parameters for the self force in Schwarzschild spacetime: 1. 
scalar case

Barack, Leor; Ori, Amos

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Regularization parameters for the self force in Schwarzschild spacetime: 1. scalar case

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Barack, Leor
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Barack, L., & Ori, A. (2002). Regularization parameters for the self force in Schwarzschild spacetime: 1. scalar case. Physical Review D, 66: 084022.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-547B-B

Abstract

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 paper [L. Barack et al., Phys. Rev. Lett. 88, 091101 (2002)]. Here we give the 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