Stability Bounds on Compact Astrophysical Objects from Information-Entropic Measure

Abstract

We obtain bounds on the stability of various self-gravitating astrophysical objects using a new measure of shape complexity known as configurational entropy. We apply the method to Newtonian polytropes, neutron stars with an Oppenheimer-Volkoff equation of state, and to self-gravitating configurations of complex scalar field (boson stars) with different self-couplings, showing that the critical stability region of these stellar configurations obtained from traditional perturbation methods correlates well with critical points of the configurational entropy with accuracy of a few percent or better.

10 pages, 12 figures

References in corpus (2)

• Gravitational Stability of Boson Stars
• Information-Entropic Signature of the Critical Point

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