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  Effects of neutron-star dynamic tides on gravitational waveforms within the effective-one-body approach

Hinderer, T., Taracchini, A., Foucart, F., Buonanno, A., Steinhoff, J., Duez, M., et al. (2016). Effects of neutron-star dynamic tides on gravitational waveforms within the effective-one-body approach. Physical Review Letters, 116: 181101. doi:10.1103/PhysRevLett.116.181101.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-0BC7-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-24FF-D
Genre: Journal Article

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 Creators:
Hinderer, Tanja1, Author              
Taracchini, Andrea1, Author              
Foucart, Francois, Author
Buonanno, Alessandra1, Author              
Steinhoff, Jan1, Author              
Duez, Matthew, Author
Kidder, Lawrence E., Author
Pfeiffer, Harald P., Author
Scheel, Mark A., Author
Szilagyi, Bela, Author
Hotokezaka, Kenta, Author
Kyutoku, Koutarou, Author
Shibata, Masaru, Author
Carpenter, Cory W., Author
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1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE, Astrophysics, Solar and Stellar Astrophysics, astro-ph.SR
 Abstract: Extracting the unique information on ultradense nuclear matter from the gravitational waves emitted by merging, neutron-star binaries requires robust theoretical models of the signal. We develop a novel effective-one-body waveform model that includes, for the first time, dynamic (instead of only adiabatic) tides of the neutron star, as well as the merger signal for neutron-star--black-hole binaries. We demonstrate the importance of the dynamic tides by comparing our model against new numerical-relativity simulations of nonspinning neutron-star--black-hole binaries spanning more than 24 gravitational-wave cycles, and to other existing numerical simulations for double neutron-star systems. Furthermore, we derive an effective description that makes explicit the dependence of matter effects on two key parameters: tidal deformability and fundamental oscillation frequency.

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 Dates: 2016-02-012016
 Publication Status: Published in print
 Pages: 5 pages, 4 figures
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 Identifiers: arXiv: 1602.00599
DOI: 10.1103/PhysRevLett.116.181101
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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: 116 Sequence Number: 181101 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925433406_1