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Are neutron stars with crystalline color-superconducting cores relevant for the LIGO experiment?

Are neutron stars with crystalline color-superconducting cores relevant for the LIGO experiment?
Are neutron stars with crystalline color-superconducting cores relevant for the LIGO experiment?
We estimate the maximal deformation that can be sustained by a rotating neutron star with a crystalline color-superconducting quark core. Our results suggest that current gravitational-wave data from the Laser Interferometer Gravitational-Wave Observatory have already reached the level where a detection would have been possible over a wide range of the poorly constrained QCD parameters. This leads to the nontrivial conclusion that compact objects do not contain maximally strained color crystalline cores drawn from this range of parameter space. We discuss the uncertainties associated with our simple model and how it can be improved in the future.
0031-9007
Haskell, B
b7753f2d-0fbc-4694-b752-444383d81df3
Andersson, N
2dd6d1ee-cefd-478a-b1ac-e6feedafe304
Jones, D.I.
b8f3e32c-d537-445a-a1e4-7436f472e160
Samuelsson, L
f4fddded-7df0-41cc-81ab-d4bfc29b22b3
Haskell, B
b7753f2d-0fbc-4694-b752-444383d81df3
Andersson, N
2dd6d1ee-cefd-478a-b1ac-e6feedafe304
Jones, D.I.
b8f3e32c-d537-445a-a1e4-7436f472e160
Samuelsson, L
f4fddded-7df0-41cc-81ab-d4bfc29b22b3

Haskell, B, Andersson, N, Jones, D.I. and Samuelsson, L (2007) Are neutron stars with crystalline color-superconducting cores relevant for the LIGO experiment? Physical Review Letters, 99 (231101). (doi:10.1103/PhysRevLett.99.231101).

Record type: Article

Abstract

We estimate the maximal deformation that can be sustained by a rotating neutron star with a crystalline color-superconducting quark core. Our results suggest that current gravitational-wave data from the Laser Interferometer Gravitational-Wave Observatory have already reached the level where a detection would have been possible over a wide range of the poorly constrained QCD parameters. This leads to the nontrivial conclusion that compact objects do not contain maximally strained color crystalline cores drawn from this range of parameter space. We discuss the uncertainties associated with our simple model and how it can be improved in the future.

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More information

Published date: 4 December 2007

Identifiers

Local EPrints ID: 54972
URI: http://eprints.soton.ac.uk/id/eprint/54972
ISSN: 0031-9007
PURE UUID: 31c9dc39-30f7-4a0b-999a-a3879e30aa1c
ORCID for N Andersson: ORCID iD orcid.org/0000-0001-8550-3843
ORCID for D.I. Jones: ORCID iD orcid.org/0000-0002-0117-7567

Catalogue record

Date deposited: 28 Jul 2008
Last modified: 28 Apr 2022 01:45

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Contributors

Author: B Haskell
Author: N Andersson ORCID iD
Author: D.I. Jones ORCID iD
Author: L Samuelsson

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