Sangam: A Confluence of Knowledge Streams

Impact of the tidal p−g instability on the gravitational wave signal from coalescing binary neutron stars

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dc.contributor Massachusetts Institute of Technology. Department of Physics
dc.contributor MIT Kavli Institute for Astrophysics and Space Research
dc.contributor LIGO (Observatory : Massachusetts Institute of Technology)
dc.contributor Essick, Reed Clasey
dc.contributor Vitale, Salvatore
dc.contributor Weinberg, Nevin N.
dc.creator Essick, Reed Clasey
dc.creator Vitale, Salvatore
dc.creator Weinberg, Nevin N.
dc.date 2017-01-05T19:07:06Z
dc.date 2017-01-05T19:07:06Z
dc.date 2016-11
dc.date 2016-09
dc.date 2016-11-28T23:00:07Z
dc.date.accessioned 2023-03-01T18:07:28Z
dc.date.available 2023-03-01T18:07:28Z
dc.identifier 2470-0010
dc.identifier 2470-0029
dc.identifier http://hdl.handle.net/1721.1/106209
dc.identifier Essick, Reed, Salvatore Vitale, and Nevin N. Weinberg. “Impact of the Tidal P − G Instability on the Gravitational Wave Signal from Coalescing Binary Neutron Stars.” Physical Review D 94.10 (2016): n. pag. © 2016 American Physical Society
dc.identifier https://orcid.org/0000-0001-8196-9267
dc.identifier https://orcid.org/0000-0003-2700-0767
dc.identifier https://orcid.org/0000-0001-9194-2084
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/278839
dc.description Recent studies suggest that coalescing neutron stars are subject to a fluid instability involving the nonlinear coupling of the tide to p modes and g modes. Its influence on the inspiral dynamics and thus the gravitational wave signal is, however, uncertain because we do not know precisely how the instability saturates. Here we construct a simple, physically motivated model of the saturation that allows us to explore the instability’s impact as a function of the model parameters. We find that for plausible assumptions about the saturation, current gravitational wave detectors might miss >70% of events if only point particle waveforms are used. Parameters such as the chirp mass, component masses, and luminosity distance might also be significantly biased. On the other hand, we find that relatively simple modifications to the point particle waveform can alleviate these problems and enhance the science that emerges from the detection of binary neutron stars.
dc.description United States. National Aeronautics and Space Administration (ATP Grant NNX14AB40G)
dc.description National Science Foundation (U.S.)
dc.description Laser Interferometer Gravitational Wave Observatory
dc.format application/pdf
dc.language en
dc.publisher American Physical Society
dc.relation http://dx.doi.org/10.1103/PhysRevD.94.103012
dc.relation Physical Review D
dc.rights Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.rights American Physical Society
dc.source American Physical Society
dc.title Impact of the tidal p−g instability on the gravitational wave signal from coalescing binary neutron stars
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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