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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents



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ID: 3077.0, MPI für Gravitationsphysik / Astrophysical Relativity
Computing the gravitational self-force on a compact object plunging into a Schwarzschild black hole
Authors:Barack, Leor; Lousto, Carlos O.
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Physical Review D
Volume:66
Sequence Number of Article:061502
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We compute the gravitational self-force (or "radiation reaction" force) acting on a particle falling radially into a Schwarzschild black hole. Our calculation is based on the "mode-sum" method, in which one first calculates the individual l-multipole contributions to the self-force (by numerically integrating the decoupled perturbation equations) and then regularizes the sum over modes by applying a certain analytic procedure. We demonstrate the equivalence of this method with the zeta-function scheme. The convergence rate of the mode-sum series is considerably improved here (thus reducing computational requirements) by employing an analytic approximation at large l
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
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