Radiating gravitational collapse with shear viscosity

Details Radiating gravitational collapse with shear viscosity Radiating gravitational collapse with shear viscosity

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000mnras.316..588c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 316, Issue 3, pp. 588-604.

Astronomy and Astrophysics

Astronomy

20

Gravitation, Relativity, Supernovae: General

Scientific paper

A model is proposed of a collapsing radiating star consisting of an isotropic fluid with shear viscosity undergoing radial heat flow with outgoing radiation. The pressure of the star, at the beginning of the collapse, is isotropic but owing to the presence of the shear viscosity the pressure becomes more and more anisotropic. The behaviour of the density, pressure, mass, luminosity and the effective adiabatic index is analysed. Our work is compared to the case of a collapsing shearing fluid of a previous model, for a star with 6Msolar.

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