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  Approaching the Post-Newtonian Regime with Numerical Relativity: A Compact-Object Binary Simulation Spanning 350 Gravitational-Wave Cycles

Szilágyi, B., Blackman, J., Buonanno, A., Taracchini, A., Pfeiffer, H. P., Scheel, M. A., et al. (2015). Approaching the Post-Newtonian Regime with Numerical Relativity: A Compact-Object Binary Simulation Spanning 350 Gravitational-Wave Cycles. Physical Review Letters, 115: 031102. doi:10.1103/PhysRevLett.115.031102.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-1D70-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-00DB-4
Genre: Journal Article

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 Creators:
Szilágyi, Béla, Author
Blackman, Jonathan, Author
Buonanno, Alessandra1, Author              
Taracchini, Andrea, Author
Pfeiffer, Harald P., Author
Scheel, Mark A., Author
Chu, Tony, Author
Kidder, Lawrence E., Author
Pan, and Yi, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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 Abstract: We present the first numerical-relativity simulation of a compact-object binary whose gravitational waveform is long enough to cover the entire frequency band of advanced gravitational-wave detectors, such as LIGO, Virgo, and KAGRA, for mass ratio 7 and total mass as low as 45.5M⊙. We find that effective-one-body models, either uncalibrated or calibrated against substantially shorter numerical-relativity waveforms at smaller mass ratios, reproduce our new waveform remarkably well, with a negligible loss in detection rate due to modeling error. In contrast, post-Newtonian inspiral waveforms and existing calibrated phenomenological inspiral-merger-ringdown waveforms display greater disagreement with our new simulation. The disagreement varies substantially depending on the specific post-Newtonian approximant used.

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 Dates: 2015
 Publication Status: Published in print
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 Identifiers: DOI: 10.1103/PhysRevLett.115.031102
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 115 Sequence Number: 031102 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1