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  Effective-one-body waveforms calibrated to numerical relativity simulations: coalescence of non-precessing, spinning, equal-mass black holes

Pan, Y., Buonanno, A., Buchman, L. T., Chu, T., Kidder, L. E., Pfeiffer, H. P., et al. (2010). Effective-one-body waveforms calibrated to numerical relativity simulations: coalescence of non-precessing, spinning, equal-mass black holes. Physical Review D, 81(8): 084041. doi:10.1103/PhysRevD.81.084041.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-83DE-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0017-E73C-0
Genre: Journal Article

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 Creators:
Pan, Yi, Author
Buonanno, Alessandra1, 2, Author              
Buchman, Luisa T., Author
Chu, Tony, Author
Kidder, Lawrence E., Author
Pfeiffer, Harald P., Author
Scheel, Mark A., Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              
2Maryland Center for Fundamental Physics, Department of Physics, University of Maryland, ou_persistent22              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We present the first attempt at calibrating the effective-one-body (EOB) model to accurate numerical-relativity simulations of spinning, non-precessing black-hole binaries. Aligning the EOB and numerical waveforms at low frequency over a time interval of 1000M, we first estimate the phase and amplitude errors in the numerical waveforms and then minimize the difference between numerical and EOB waveforms by calibrating a handful of EOB-adjustable parameters. In the equal-mass, spin aligned case, we find that phase and fractional amplitude differences between the numerical and EOB (2,2) mode can be reduced to 0.01 radians and 1%, respectively, over the entire inspiral waveforms. In the equal-mass, spin anti-aligned case, these differences can be reduced to 0.13 radians and 1% during inspiral and plunge, and to 0.4 radians and 10% during merger and ringdown. The waveform agreement is within numerical errors in the spin aligned case while slightly over numerical errors in the spin anti-aligned case. Using Enhanced LIGO and Advanced LIGO noise curves, we find that the overlap between the EOB and the numerical (2,2) mode, maximized over the initial phase and time of arrival, is larger than 0.999 for binaries with total mass 30-200Ms. In addition to the leading (2,2) mode, we compare four subleading modes. We find good amplitude and frequency agreements between the EOB and numerical modes for both spin configurations considered, except for the (3,2) mode in the spin anti-aligned case. We believe that the larger difference in the (3,2) mode is due to the lack of knowledge of post-Newtonian spin effects in the higher modes.

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 Dates: 2009-12-172010-01-252010
 Publication Status: Published in print
 Pages: 15 pages, 8 figures, typos fixed in Eqs.(7-10)
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 0912.3466
DOI: 10.1103/PhysRevD.81.084041
URI: http://arxiv.org/abs/0912.3466
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 81 (8) Sequence Number: 084041 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258