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arxiv: astro-ph/9901167 · v1 · submitted 1999-01-13 · 🌌 astro-ph

Avoided crossings in radial pulsations of neutron and strange stars

D. Gondek , J.L. Zdunik (N.Copernicus Astronomical Center , Warsaw , Poland) This is my paper
classification 🌌 astro-ph
keywords radialneutronpulsationsstarsstrangeavoidedmattermodels
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Radial pulsations of neutron stars and strange quark stars with nuclear crust are studied. The avoided crossing phenomenon occurring for the radial modes is found and discussed. Neutron star models are constructed using a realistic equation of state of dense matter and strange star models using a phenomenological bag model of quark matter. The eigenfrequencies of the three lowest modes of linear, adiabatic pulsations are calculated, using the relativistic equations for the radial oscillations.

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  1. Extra dimensions' influence on the equilibrium and radial stability of strange quark stars

    gr-qc 2019-07 unverdicted novelty 5.0

    In d-dimensional spacetime, strange quark stars gain stability with increasing dimension for ranges of central density, with the mass maximum marking the onset of radial instability, and Newtonian stability holds for ...