Letter: Self-Similar Bianchi Type VIII and IX Models

被引：0
|
作者：
Pantelis S. Apostolopoulos
Michael Tsamparlis
机构：
[1] University of Athens,Department of Physics, Section of Astrophysics
来源：
General Relativity and Gravitation | 2003年 / 35卷
关键词：
Bianchi models; fluid cosmological models; self-similarity;
D O I：
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学科分类号：
摘要：
It is shown that in transitively self-similar spatially homogeneous tilted perfect fluid models the symmetry vector is not normal to the surfaces of spatial homogeneity. A direct consequence of this result is that there are no self-similar Bianchi VIII and IX tilted perfect fluid models. Furthermore the most general Bianchi VIII and IX spacetime which admits a four dimensional group of homotheties is given.
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页码：2051 / 2056
页数：5
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