Gravitational wave background from neutron star phase transition

Details Gravitational wave background from neutron star phase transition Gravitational wave background from neutron star phase transition

2009-10-02

arxiv.org/abs/0910.0424v1

General Relativity and Gravitation, 41, 1389 (2009)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, 5 figures

Scientific paper

10.1007/s10714-008-0712-7

We study the generation of a stochastic gravitational wave (GW) background produced by a population of neutron stars (NSs) which go over a hadron-quark phase transition in its inner shells. We obtain, for example, that the NS phase transition, in cold dark matter scenarios, could generate a stochastic GW background with a maximum amplitude of $h_{\rm BG} \sim 10^{-24}$, in the frequency band $\nu_{\rm{obs}} \simeq 20-2000 {\rm Hz}$ for stars forming at redshifts of up to $z\simeq 20.$ We study the possibility of detection of this isotropic GW background by correlating signals of a pair of Advanced LIGO observatories.

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