Kantowski-Sachs Model with Decaying Cosmological Term

被引：0
|
作者：
Tiwari, R. K. [1 ]
机构：
[1] Govt Model Sci Coll, Dept Math, Rewa, MP, India
来源：
AFRICAN REVIEW OF PHYSICS | 2014年 / 9卷
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D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Einstein field equations with variable cosmological constant are considered in the presence of a perfect fluid for Kantowski-Sachs cosmological model by assuming that the cosmological term is proportional to the Hubble parameter Lambda proportional to H and the scalar of expansion is proportional to shear theta proportional to sigma, which leads to a relation between the metric potentials A = B-n, for n a constant. The corresponding physical interpretations of these cosmological solutions are also discussed.
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页码：421 / 425
页数：5
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