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  On the accuracy and precision of numerical waveforms: Effect of waveform extraction methodology

Chu, T., Fong, H., Kumar, P., Pfeiffer, H. P., Boyle, M., Hemberger, D. A., et al. (2016). On the accuracy and precision of numerical waveforms: Effect of waveform extraction methodology. Classical and quantum gravity, 33(16): 165001. doi:10.1088/0264-9381/33/16/165001.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002C-3F79-C Version Permalink: https://hdl.handle.net/21.11116/0000-0002-E96B-0
Genre: Journal Article

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 Creators:
Chu, Tony, Author
Fong, Heather, Author
Kumar, Prayush, Author
Pfeiffer, Harald P.1, Author
Boyle, Michael, Author
Hemberger, Daniel A., Author
Kidder, Lawrence E., Author
Scheel, Mark A., Author
Szilagyi, Bela, Author
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We present a new set of 95 numerical relativity simulations of non-precessing binary black holes (BBHs). The simulations sample comprehensively both black-hole spins up to spin magnitude of 0.9, and cover mass ratios 1 to 3. The simulations cover on average 24 inspiral orbits, plus merger and ringdown, with low initial orbital eccentricities $e<10^{-4}$. A subset of the simulations extends the coverage of non-spinning BBHs up to mass ratio $q=10$. Gravitational waveforms at asymptotic infinity are computed with two independent techniques, extrapolation, and Cauchy characteristic extraction. An error analysis based on noise-weighted inner products is performed. We find that numerical truncation error, error due to gravitational wave extraction, and errors due to the finite length of the numerical waveforms are of similar magnitude, with gravitational wave extraction errors somewhat dominating at noise-weighted mismatches of $\sim 3\times 10^{-4}$. This set of waveforms will serve to validate and improve aligned-spin waveform models for gravitational wave science.

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 Dates: 2015-12-212016-10-142016
 Publication Status: Issued
 Pages: 22 pages, 9 figures
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 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 1512.06800
DOI: 10.1088/0264-9381/33/16/165001
URI: http://arxiv.org/abs/1512.06800
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Title: Classical and quantum gravity
Source Genre: Journal
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Publ. Info: Bristol, U.K. : Institute of Physics
Pages: - Volume / Issue: 33 (16) Sequence Number: 165001 Start / End Page: - Identifier: ISSN: 0264-9381
CoNE: https://pure.mpg.de/cone/journals/resource/954925513480_1