Bianchi Type-II Bulk Viscous String Cosmological Models in General Relativity

被引：6
|
作者：
Tyagi, Atul [2 ]
Sharma, Keerti [1 ]
机构：
[1] Medicaps Inst Technol & Management, Dept Math, Indore, Madhya Pradesh, India
[2] MLS Univ, Univ Coll Sci, Dept Math & Stat, Udaipur 313001, Raj, India
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2010年 / 49卷 / 08期
关键词：
Cosmic strings; Viscous fluid; Bianchi type II models; VIII;
D O I：
10.1007/s10773-010-0351-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Some Bianchi type II bulk viscous string cosmological models with electromagnetic field are investigated. To get a determinate solution, we assume the shear (sigma) is proportional to the expansion (theta), which leads to a supplementary condition B=lA (n) , between metric potentials, is used where A and B are function of time alone. A particular solution for n=0 is also discussed. The physical and geometrical implications of the models are discussed.
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页码：1712 / 1718
页数：7
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