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Approximation methods in gravitational-radiation theoryThe observation of gravitational-radiation damping in the binary pulsar PSR 1913 + 16 and the ongoing experimental search for gravitational waves of extraterrestrial origin have made the theory of gravitational radiation an active branch of classical general relativity. In calculations of gravitational radiation, approximation methods play a crucial role. Recent developments are summarized in two areas in which approximations are important: (a) the quadrupole approxiamtion, which determines the energy flux and the radiation reaction forces in weak-field, slow-motion, source-within-the-near-zone systems such as the binary pulsar; and (b) the normal modes of oscillation of black holes, where the Wentzel-Kramers-Brillouin approximation gives accurate estimates of the complex frequencies of the modes.
Document ID
19860048947
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Will, C. M.
(Washington University St. Louis, MO, United States)
Date Acquired
August 12, 2013
Publication Date
February 1, 1986
Publication Information
Publication: Canadian Journal of Physics
Volume: 64
ISSN: 0008-4204
Subject Category
Astrophysics
Accession Number
86A33685
Funding Number(s)
CONTRACT_GRANT: NSF PHY-83-13545
CONTRACT_GRANT: NAGW-122
Distribution Limits
Public
Copyright
Other

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