Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...421..677h&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 421, no. 2, p. 677-688
Astronomy and Astrophysics
Astrophysics
9
Einstein Equations, Gravitational Collapse, Relativity, Rotating Bodies, Stellar Gravitation, Schwarzschild Metric, Stellar Models
Scientific paper
We propose a method to obtain axisymmetric, dynamic solutions to the Einstein equations that can represent a radiating collapsing body in slow differential rotation. The method is a generalization of the semi-numeric approach developed but Herrera, Jimenez, & Ruggeri, in 1980, for the spherically symmetric case. Solutions are properly matched to the exterior Kerr-Vaidya metric, and the values of the physically relevant variables (density, pressure, fluid velocity, and energy flux) are obtained inside the matter distribution. As an example of the method, a model based on Schwarzschild interior homogeneous static solution is presented.
Herrera Luis
Melfo Alejandra
Nunez Luis A.
Patino Alberto
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