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29 March 2024
 
  » arxiv » gr-qc/9812070

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The Universe With Bulk Viscosity
Arbab I. Arbab ;
Date 20 Dec 1998
Journal Chin.J.Astron.Astrophys. 3 (2003) 113
Subject gr-qc
AbstractExact solutions for a model with variable $G$, $Lambda$ and bulk viscosity are obtained. Inflationary solutions with constant (de Sitter-type) and variable energy density are found. An expanding anisotropic universe is found to isotropize during its course of expansion but a static universe is not. The gravitational constant is found to increase with time and the cosmological constant decreases with time as $Lambda propto t^{-2}$.
Source arXiv, gr-qc/9812070
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