Dissipative cosmological solutions

Details Dissipative cosmological solutions Dissipative cosmological solutions

1997-03-25

arxiv.org/abs/gr-qc/9703069v1

Class.Quant.Grav. 14 (1997) 1811-1820

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, LaTeX 2.09, 1 figure. To be published in Classical and Quantum Gravity

Scientific paper

10.1088/0264-9381/14/7/016

The exact general solution to the Einstein equations in a homogeneous Universe with a full causal viscous fluid source for the bulk viscosity index $m=1/2$ is found. We have investigated the asymptotic stability of Friedmann and de Sitter solutions, the former is stable for $m\ge 1/2$ and the latter for $m\le 1/2$. The comparison with results of the truncated theory is made. For $m=1/2$, it was found that families of solutions with extrema no longer remain in the full case, and they are replaced by asymptotically Minkowski evolutions. These solutions are monotonic.

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