A Tale of Two Mergers: Searching for Strangeness in Compact Stars

Details A Tale of Two Mergers: Searching for Strangeness in Compact Stars A Tale of Two Mergers: Searching for Strangeness in Compact Stars

2003-05-16

arxiv.org/abs/astro-ph/0305306v1

J.Phys. G30 (2004) S451-S460

Astronomy and Astrophysics

Astrophysics

10 pages with 6 figures - Submitted to the Strange Quark Matter 2003 Conference Proceedings

Scientific paper

10.1088/0954-3899/30/1/053

We contrast the evolution of gravitational binary mergers for the two cases of a black hole and a normal neutron star, and a black hole and a self-bound strange quark matter star. In both cases inspiral continues until the Roche limit is reached, at which point it is expected that stable mass transfer to the balck hole ensues. Whereas a neutron star would then outspiral, the strange quark matter star barely moves out at all. Eventually, the strange quark star loses all its mass to the black hole, as compared to the neutron star whose outspiral continues until stable mass transfer terminates and inspiral resumes. These scenarios result in distinctly different gravitational wave signatures.

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