Dynamics of magnetized string cosmological model in f(R,T) gravity theory

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• 作者：Shri Ram (1)
  S. Chandel (1)
  
  1. Department of Mathematical Sciences ; Indian Institute of Technology ; Banaras Hindu University ; Varanasi ; 221 005 ; India
  
• 关键词：Bianchi type V space ; time ; Perfect fluid ; Magnetic field ; Massive string ; f(R ; T) gravity ; Hybrid expansion law
• 刊名：Astrophysics and Space Science
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：355
• 期：1
• 页码：195-202
• 全文大小：425 KB
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Astronomy
  
• 出版者：Springer Netherlands
• ISSN：1572-946X

文摘

The spatially homogeneous and anisotropic Bianchi type V cosmological solutions of massive string have been investigated in the presence of a magnetic field within the framework of f(R,T) gravity theory. With the help of the hybrid expansion law for the average scale factor a cosmological model is obtained. It is shown that the universe exhibits transition from deceleration to acceleration. We also find that Bianchi type V model is anisotropic at the early stage of evolution of the universe and become isotropic for large time. We also check the stability of solutions through cosmological perturbation. The physical and kinematical behaviors of the model are also studied.