Comparison of post-newtonian and numerical evolutions of black-hole binaries

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Title: Comparison of post-newtonian and numerical evolutions of black-hole binaries
Author: Nakano, Hiroyuki; Campanelli, Manuela; Lousto, Carlos; Zlochower, Yosef
Abstract: In this paper, we compare the waveforms from the post-Newtonian (PN) approach with the numerical simulations of generic black-hole binaries which have mass ratio q 0.8, arbitrarily oriented spins with magnitudes S1/m2 1 0.6 and S2/m2 2 0.4, and orbit 9 times from an initial orbital separation of r 11M prior to merger. We observe a reasonably good agreement between the PN and numerical waveforms, with an overlap of over 98% for the first six cycles of the (ℓ = 2,m = ±2) mode and over 90% for the (ℓ = 2,m = 1) and (ℓ = 3,m = 3) modes.
Description: Proceedings from the 18th workshop on general relativity and gravitation, Hiroshima, Japan, Nov.17 - Nov.21, 2008
Record URI: http://hdl.handle.net/1850/8232
Date: 2008-11-17

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