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arxiv: 1411.1963 · v1 · submitted 2014-11-07 · 🌀 gr-qc

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Stiffness effects on the dynamics of the bar-mode instability of Neutron Stars in full General Relativity

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classification 🌀 gr-qc
keywords instabilitybar-modefullgeneralneutronrelativitystarsstate
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We present results on the effect of the stiffness of the equation of state on the dynamical bar-mode instability in rapidly rotating polytropic models of neutron stars in full General Relativity. We determine the change in the threshold for the emergence of the instability for a range of the adiabatic $\Gamma$ index from 2.0 to 3.0, including two values chosen to mimic more realistic equations of state at high densities.

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