Five dimensional universe model with variable cosmological term Λ and a big bounce

被引：0
作者：
G. S. Khadekar
Vaishali Kamdi
Anirudh Pradhan
Saeed Otarod
机构：
[1] R.T.M. Nagpur University,Department of Mathematics
[2] Hindu Post-graduate College,Department of Mathematics
[3] Yasouj University,Department of Physics
来源：
Astrophysics and Space Science | 2007年 / 310卷
关键词：
Cosmology; Induced matter theory; Variable cosmological constant; 98.80.Jk; 98.80.Es;
D O I：
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学科分类号：
摘要：
We assume the four dimensional induced matter of the 5D Ricci flat bouncing cosmological solution contains a perfect fluid. The big bounce singularity of simple 5D cosmological model is studied with the cosmological term Λ=αρ and Λ=βH2 where α and β are constants and ρ and H are respectively energy density and Hubble parameter. This big bounce singularity is found to be an event horizon at which the scale factor and mass density of the universe are finite, while the pressure is infinite.
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页码：141 / 147
页数：6
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