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R-modes in accreting and young neutron stars

Ushomirsky, Greg (2001) R-modes in accreting and young neutron stars. In: Astrophysical Sources for Ground-Based Gravitational Wave Detectors. AIP Conference Proceedings. No.575. American Institute of Physics , Melville, NY, pp. 284-295. ISBN 0-7354-0014-8

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Recent work has raised the exciting possibility that r-mode pulsations (Rossby waves) in rotating neutron star cores may be strong gravitational wave sources. Rapidly rotating young neutron stars born in supernovae enter the r-mode instability region within the first minutes of their lives and may spin down by substantial amounts due to gravitational radiation from r-modes. Accreting neutron stars in low-mass X-ray binaries (LMXBs) are spun up by accretion to such short rotation periods that they may be unstable to r-mode pulsations as well. Gravitational waves from these neutron stars are strong enough to be detectable by second-generation, "enhanced" gravitational wave interferometers. I review the recent progress in understanding the r-mode instability in young and accreting neutron stars, with the focus on the issues of the coupling of the pulsations to the crust and nonlinear saturation amplitudes.

Item Type:Book Section
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Additional Information:© 2001 American Institute of Physics. Issue Date: 22 June 2001.
Subject Keywords:neutron stars; stellar pulsations; stellar evolution; stellar rotation; accretion; gravitational waves; astrophysical radiation mechanisms
Classification Code:PACS: 97.60.Jd; 97.10.Sj; 95.30.Sf; 04.30.Db
Record Number:CaltechAUTHORS:20111118-100300999
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Official Citation:R-modes in accreting and young neutron stars Greg Ushomirsky, AIP Conf. Proc. 575, 284 (2001), DOI:10.1063/1.1387319
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27854
Deposited By: Jason Perez
Deposited On:21 Nov 2011 00:11
Last Modified:26 Dec 2012 14:25

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