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Barotropic thin shells with linear EOS as models of stars and circumstellar shells in general relativity

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arxiv gr-qc/9802041 v4 pith:U74E6WPX submitted 1998-02-17 gr-qc astro-ph

Barotropic thin shells with linear EOS as models of stars and circumstellar shells in general relativity

classification gr-qc astro-ph
keywords shellsstarsbarotropiccircumstellarequilibriumgenerallinearmodels
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The spherically symmetric thin shells of the barotropic fluids with the linear equation of state are considered within the frameworks of general relativity. We study several aspects of the shells as completely relativistic models of stars, first of all the neutron stars and white dwarfs, and circumstellar shells. The exact equations of motion of the shells are obtained. Also we calculate the parameters of the equilibrium configurations, including the radii of static shells. Finally, we study the stability of the equilibrium shells against radial perturbations.

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Cited by 1 Pith paper

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    gr-qc 2025-12 unverdicted novelty 5.0

    Massless topological shells inside neutron stars produce non-monotonic shifts in f-mode frequencies and potentially detectable changes in gravitational-wave damping times and strains relative to standard models.