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Post-1-Newtonian tidal effects in the gravitational waveform from binary inspirals

Vines, Justin and Flanagan, Éanna É. and Hinderer, Tanja (2011) Post-1-Newtonian tidal effects in the gravitational waveform from binary inspirals. Physical Review D, 83 (8). Art. No. 084051. ISSN 2470-0010.

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The gravitational wave signal from an inspiralling binary neutron star system will contain detailed information about tidal coupling in the system, and thus, about the internal physics of the neutron stars. To extract this information will require highly accurate models for the gravitational waveform. We present here a calculation of the gravitational wave signal from a binary with quadrupolar tidal interactions which includes all post-1-Newtonian–order effects in both the conservative dynamics and wave generation. We consider stars with adiabatically induced quadrupoles moving in circular orbits, and work to linear order in the stars’ quadrupole moments. We find that post-1-Newtonian corrections increase the tidal signal by approximately 20% at gravitational wave frequencies of 400 Hz.

Item Type:Article
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Hinderer, Tanja0000-0002-3394-6105
Additional Information:© 2011 American Physical Society. Received 12 January 2011; published 28 April 2011. This research was supported at Cornell by NSF Grant No. PHY-0757735, and at Caltech by the Sherman Fairchild Foundation.
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Sherman Fairchild FoundationUNSPECIFIED
Issue or Number:8
Classification Code:PACS: 04.30.Db, 04.25.Nx
Record Number:CaltechAUTHORS:20110525-091559488
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23790
Deposited By: Tony Diaz
Deposited On:20 Jun 2011 18:11
Last Modified:09 Mar 2020 13:18

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