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• W2949673834 abstract "The self-force describes the effect of a particle's own gravitational field on its motion. While the motion is geodesic in the test-mass limit, it is accelerated to first order in the particle's mass. In this contribution I review the foundations of the self-force, and show how the motion of a small black hole can be determined by matched asymptotic expansions of a perturbed metric. I next consider the case of a point mass, and show that while the retarded field is singular on the world line, it can be unambiguously decomposed into a singular piece that exerts no force, and a smooth remainder that is responsible for the acceleration. I also describe the recent efforts, by a number of workers, to compute the self-force in the case of a small body moving in the field of a much more massive black hole. The motivation for this work is provided in part by the Laser Interferometer Space Antenna, which will be sensitive to low-frequency gravitational waves. Among the sources for this detector is the motion of small compact objects around massive (galactic) black holes. To calculate the waves emitted by such systems requires a detailed understanding of the motion, beyond the test-mass approximation." @default.
• W2949673834 created "2019-06-27" @default.
• W2949673834 creator A5030046744 @default.
• W2949673834 date "2005-11-01" @default.
• W2949673834 modified "2023-10-07" @default.
• W2949673834 title "THE GRAVITATIONAL SELF-FORCE" @default.
• W2949673834 doi "https://doi.org/10.1142/9789812701688_0012" @default.
• W2949673834 hasPublicationYear "2005" @default.
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