Are neutron stars with crystalline colour superconducting cores interesting for the LIGO experiment?

Details Are neutron stars with crystalline colour superconducting cores interesting for the LIGO experiment? Are neutron stars with crystalline colour superconducting cores interesting for the LIGO experiment?

2007-08-22

arxiv.org/abs/0708.2984v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

published as Physical Review Letters, vol. 99, Issue 23, id. 231101

Scientific paper

10.1103/PhysRevLett.99.231101

We estimate the maximal deformation that can be sustained by a rotating neutron star with a crystalline colour superconducting quark core. Our results suggest that current gravitational-wave data from LIGO 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 non-trivial conclusion that compact objects \emph{do not} contain maximally strained colour 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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