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Effects of Neutron-Star Dynamic Tides on Gravitational Waveforms within the Effective-One-Body Approach

Hinderer, Tanja and Taracchini, Andrea and Foucart, François and Buonanno, Alessandra and Steinhoff, Jan and Duez, Matthew and Kidder, Lawrence E. and Pfeiffer, Harald P. and Scheel, Mark A. and Szilágyi, Béla and Hotokezaka, Kenta and Kyutoku, Koutarou and Shibata, Masaru and Carpenter, Cory W. (2016) Effects of Neutron-Star Dynamic Tides on Gravitational Waveforms within the Effective-One-Body Approach. Physical Review Letters, 116 (18). Art. No. 181101. ISSN 0031-9007. doi:10.1103/PhysRevLett.116.181101.

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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.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Hinderer, Tanja0000-0002-3394-6105
Foucart, François0000-0003-4617-4738
Duez, Matthew0000-0002-0050-1783
Kidder, Lawrence E.0000-0001-5392-7342
Pfeiffer, Harald P.0000-0001-9288-519X
Hotokezaka, Kenta0000-0002-2502-3730
Kyutoku, Koutarou0000-0003-3179-5216
Shibata, Masaru0000-0002-4979-5671
Additional Information:© 2016 American Physical Society. Received 2 February 2016; revised manuscript received 21 March 2016; published 5 May 2016. We thank Kostas Kokkotas and Cole Miller for useful discussions. A. B. and T. H. acknowledge support from NSF Grant No. PHY-1208881. A. B. also acknowledges partial support from NASA Grant No. NNX12AN10G. T. H. thanks the Max Planck Institut für Gravitationsphysik for hospitality. Support for this work was provided by NASA through Einstein Postdoctoral Fellowship Grant No. PF4-150122 (F. F.) awarded by the Chandra X-ray Center, which is operated by the Smithsonian Astrophysical Observatory for NASA under Contract No. NAS8-03060. M. D. acknowledges support from NSF Grant No. PHY-1402916. M. S. was supported by Grant-in-Aid for Scientific Research 24244028 of the Japanese MEXT. H. P. gratefully acknowledge support from the NSERC Canada. L. K. acknowledges support from NSF Grants No. PHY-1306125 and No. AST-1333129 at Cornell, while the authors at Caltech acknowledge support from NSF Grants No. PHY-1404569 and No. AST-1333520. Authors at both Cornell and Caltech also thank the Sherman Fairchild Foundation for their support. Computations were performed on the supercomputer Briaree from the Universite de Montreal, managed by Calcul Quebec and Compute Canada. The operation of these supercomputers is funded by the Canada Foundation for Innovation (CFI), NanoQuebec, RMGA, and the Fonds de recherche du Quebec–Nature et Technologie (FRQ-NT). Computations were also performed on the Zwicky cluster at Caltech, supported by the Sherman Fairchild Foundation and by NSF Award No. PHY-0960291. This work also used the Extreme Science and Engineering Discovery Environment (XSEDE) through allocation No. TGPHY990007N, supported by NSF Grant No. ACI-1053575.
Funding AgencyGrant Number
NASA Einstein FellowshipPF4-150122
Ministry of Education, Culture, Sports, Science and Technology (MEXT)24244028
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Sherman Fairchild FoundationUNSPECIFIED
Canada Foundation for InnovationUNSPECIFIED
Fonds de recherche du Quebec-Nature et Technologie (FRQ-NT)UNSPECIFIED
Issue or Number:18
Record Number:CaltechAUTHORS:20160525-095504309
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Official Citation:Effects of Neutron-Star Dynamic Tides on Gravitational Waveforms within the Effective-One-Body Approach Tanja Hinderer, Andrea Taracchini, Francois Foucart, Alessandra Buonanno, Jan Steinhoff, Matthew Duez, Lawrence E. Kidder, Harald P. Pfeiffer, Mark A. Scheel, Bela Szilagyi, Kenta Hotokezaka, Koutarou Kyutoku, Masaru Shibata, and Cory W. Carpenter Phys. Rev. Lett. 116, 181101
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67341
Deposited By: Tony Diaz
Deposited On:26 May 2016 19:44
Last Modified:11 Nov 2021 00:31

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