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

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

1998-02-17

arxiv.org/abs/gr-qc/9802041v4

Int.J.Mod.Phys. D8 (1999) 549-555

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

final version; ps-version of figure is available by email request to zlosh@email.com

Scientific paper

10.1142/S0218271899000389

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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