HIGHER-DIMENSIONAL COSMOLOGICAL MODEL WITH A TIME-DEPENDENT EQUATION OF STATE

被引：6

作者：

MANNA, G

BHUI, B

机构：

[1] Relativity and Cosmology Research Centre, Department of Physics, Jadavpur University, Calcutta

来源：

ASTROPHYSICS AND SPACE SCIENCE | 1994年 / 213卷 / 02期

关键词：

D O I：

10.1007/BF00658216

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A homogeneous cosmological model in higher dimension is obtained assuming a time-dependent equation of state. It is observed that as usual 3-D space expands, extra space (space belonging to the other dimensions) reduces with time, thus exhibiting the desired feature of dimensional reduction. The dynamical behavior of the model is examined and it is noted that with a decrease in extra space the observable 3-D space entropy increase, thus accounting for the large value of entropy observable at present.

引用

页码：299 / 303

页数：5

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