Plane symmetric cosmological models with perfect fluid and dark energy

被引：15
|
作者：
Katore, S. D. [1 ]
Adhav, K. S. [1 ]
Shaikh, A. Y. [2 ]
Sancheti, M. M. [3 ]
机构：
[1] SGB Amravati Univ, Dept Math, Amravati 444602, India
[2] Dr BN Coll Engg & Tech, Dept Math, Yavatmal 445001, India
[3] Rajasthan Mahavidyalaya, Dept Math, Washim 444505, India
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2011年 / 333卷 / 01期
关键词：
Cosmological models; Perfect fluid; Dark energy; Cosmological parameters; PROBE WMAP OBSERVATIONS; EQUATION-OF-STATE; CONSTRAINTS; SUPERNOVAE;
D O I：
10.1007/s10509-011-0622-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider a self-consistent system of Plane symmetric cosmology and binary mixture of perfect fluid and dark energy. The perfect fluid is taken to be one obeying the usual equation of state p=gamma rho with gamma a[0,1]. The dark energy is considered to be either the quintessence or Chaplygin gas. Exact solutions to the corresponding Einstein's field equations are obtained as a quadrature. The cases of Zeldovich Universe, Dust Universe and Radiation Universe and models with power-law and exponential expansion have discussed in detail. For large t, the models tend to be isotropic.
引用
收藏
页码：333 / 341
页数：9
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