Causal Viscous Cosmological Models With Variable G and Λ

被引：0
|
作者：
Tarkeshwar Singh
A. Beesham
机构：
[1] University of Zululand,Department of Applied Mathematics
[2] Shri Ramdeobaba Kamla Nehru Engineering College,Department of Mathematics
[3] University of Zululand,Department of Applied Mathematics
来源：
General Relativity and Gravitation | 2000年 / 32卷
关键词：
Cosmology; causal viscous fluid; variable ; and Λ;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Einstein's equations with variable gravitational and cosmological “constants” are considered in the presence of a bulk viscous fluid source described by the truncated causal theory of Israel–Stewart, for the spatially flat homogeneous and isotropic universe. A solution is found in which the cosmological term varies inversely with the square of time. However, the gravitational constant G is found to be increasing with time.
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页码：607 / 614
页数：7
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