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Non-radial oscillations and gravitational wave emission of hybrid neutron stars

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arxiv 2303.07086 v1 pith:2CYCZKKV submitted 2023-03-13 nucl-th astro-ph.HEgr-qc

Non-radial oscillations and gravitational wave emission of hybrid neutron stars

classification nucl-th astro-ph.HEgr-qc
keywords hybridstarsgravitationalmatterneutronnon-radialoscillationsquark
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We investigate non-radial oscillations of pure and hybrid neutron stars, employing equations of state of nuclear matter from Brueckner-Hartree-Fock theory, and of quark matter from the Dyson-Schwinger quark model, performing a Gibbs construction for the mixed phase in hybrid stars. Characteristic differences between neutron-star and hybrid-star $g_1$-mode oscillation frequencies, damping times, and gravitational wave strains are pointed out. Prospects of observations are also discussed.

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