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Energy Bounds for Static Spherically Symmetric Spacetime in f(R, G) Gravity

Energy Bounds for Static Spherically Symmetric Spacetime in f(R, G) Gravity
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摘要 The main purpose of this paper is to investigate energy bounds in the context of f(R, G) gravity. To meet this aim, we choose static spherically symmetric spacetime in f(R, G) gravity to develop the field equations. We select three different models of f(R, G) gravity, which are thoroughly discussed in the literature. Firstly, the inequalities are formulated using energy bounds and then viability of the considered models are checked respectively. Graphical analysis show that specific f(R, G) gravity models are satisfied under suitable values of model parameters. It is shown that in a certain case energy bounds are satisfied expect SEC, which supports the late time acceleration expansion of unverse.
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2018年第8期190-196,共7页 理论物理通讯(英文版)
关键词 energy bounds f(R G) gravity 精力 对称 球状 静态 模型参数 上下文
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