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Gravitational waves from instabilities in relativistic stars

Gravitational waves from instabilities in relativistic stars
Gravitational waves from instabilities in relativistic stars
This paper provides an overview of stellar instabilities as sources of gravitational waves. The aim is to put recent work on secular and dynamical instabilities in compact stars in context, and to summarize the current thinking about the detectability of gravitational waves from various scenarios. As a new generation of kilometre length interferometric detectors is now coming online this is a highly topical theme. The review is motivated by two key questions for future gravitational-wave astronomy: are the gravitational waves from various instabilities detectable? If so, what can these gravitational-wave signals teach us about neutron star physics? Even though we may not have clear answers to these questions, recent studies of the dynamical bar-mode instability and the secular r-mode instability have provided new insights into many of the difficult issues involved in modelling unstable stars as gravitational-wave sources.
0264-9381
R105-R144
Andersson, Nils
2dd6d1ee-cefd-478a-b1ac-e6feedafe304
Andersson, Nils
2dd6d1ee-cefd-478a-b1ac-e6feedafe304

Andersson, Nils (2003) Gravitational waves from instabilities in relativistic stars. Classical and Quantum Gravity, 20 (7), R105-R144. (doi:10.1088/0264-9381/20/7/201).

Record type: Article

Abstract

This paper provides an overview of stellar instabilities as sources of gravitational waves. The aim is to put recent work on secular and dynamical instabilities in compact stars in context, and to summarize the current thinking about the detectability of gravitational waves from various scenarios. As a new generation of kilometre length interferometric detectors is now coming online this is a highly topical theme. The review is motivated by two key questions for future gravitational-wave astronomy: are the gravitational waves from various instabilities detectable? If so, what can these gravitational-wave signals teach us about neutron star physics? Even though we may not have clear answers to these questions, recent studies of the dynamical bar-mode instability and the secular r-mode instability have provided new insights into many of the difficult issues involved in modelling unstable stars as gravitational-wave sources.

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More information

Published date: 2003
Additional Information: Topical review

Identifiers

Local EPrints ID: 29450
URI: https://eprints.soton.ac.uk/id/eprint/29450
ISSN: 0264-9381
PURE UUID: 4dfd7597-3b24-44a0-9186-c4a438bdc286
ORCID for Nils Andersson: ORCID iD orcid.org/0000-0001-8550-3843

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Date deposited: 11 May 2006
Last modified: 15 Aug 2019 00:50

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Author: Nils Andersson ORCID iD

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