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  Comparison between numerical relativity and a new class of post-Newtonian gravitational-wave phase evolutions: The nonspinning equal-mass case

Gopakumar, A., Hannam, M., Husa, S., & Brügmann, B. (2008). Comparison between numerical relativity and a new class of post-Newtonian gravitational-wave phase evolutions: The nonspinning equal-mass case. Physical Review D, 78(6): 064026. doi:10.1103/PhysRevD.78.064026.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-13A1-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-13A4-2
Genre: Journal Article

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PRD78-064026.pdf (Publisher version), 213KB
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Gopakumar, Achamveedu1, Author
Hannam, Mark1, Author
Husa, Sascha2, Author              
Brügmann, Bernd1, Author
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1External Organizations, Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 107743 Jena, Germany , ou_persistent22              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24013              

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 Abstract: We compare the phase evolution of equal-mass nonspinning black-hole binaries from numerical relativity (NR) simulations with post-Newtonian (PN) results obtained from three PN approximants: the TaylorT1 and T4 approximants, for which NR-PN comparisons have already been performed in the literature, and the recently proposed approximant TaylorEt. The accumulated phase disagreement between NR and PN results over the frequency range Momega=0.0455 to Momega=0.1 is greater for TaylorEt than either T1 or T4, but has the attractive property of decreasing monotonically as the PN order is increased.

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 Dates: 2008-09-10
 Publication Status: Published online
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 Rev. Method: Peer
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 78 (6) Sequence Number: 064026 Start / End Page: - Identifier: -