Charged Adiabatic LTB Gravitational Collapse in f (R) Gravity

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• 作者：M. Sharif ; Z. Yousaf
• 关键词：Electromagnetic field ; Relativistic systems ; Modified gravity
• 刊名：International Journal of Theoretical Physics
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：55
• 期：1
• 页码：470-480
• 全文大小：229 KB
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• 作者单位：M. Sharif (1)
  Z. Yousaf (1)
  
  1. Department of Mathematics, University of the Punjab, Quaid-e-Azam Campus, Lahore, 54590, Pakistan
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Physics
  Quantum Physics
  Elementary Particles and Quantum Field Theory
  Mathematical and Computational Physics
  
• 出版者：Springer Netherlands
• ISSN：1572-9575

文摘

We study evolutionary properties of isotropic charged spherical Lemaître-Tolman-Bondi fluid undergoing non-adiabatic collapse with general f(R) background. We explore exact analytical models of Maxwell- f(R) field equations with constant Ricci scalar. The dynamics of the collapsing system is investigated through system energy content, cosmological and black hole horizons in the presence of electromagnetic field. It is concluded that in addition to matter variables and f(R) corrections, the charge also affects the time interval between formation of respective horizons and singularities. We also find that f(R) corrections as well as electromagnetic field tend to slow down the collapsing process. Keywords Electromagnetic field Relativistic systems Modified gravity