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arXiv 2303.09563gr-qcastro-ph.HEhep-th
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满足Lovelock引力能量条件的全息暗能量

Holographic dark energy satisfying the energy conditions in Lovelock gravity

M. Bousder, E. Salmani, A. El Fatimy, H. Ez-Zahraouy

摘要:

本文证明了全息暗能量密度隐藏在黑洞的Lovelock引力解中。利用得到的质量和温度,我们找到密度方程。我们提出了一个物理解释的重新缩放的洛夫洛克耦合作为一个拓扑质量,描述了洛夫洛克分支。除此之外,我们提出了新的解决方案,满足根据Lovelock耦合和视界曲率的能量条件。这一工作可以推广到三阶Lovelock引力中暗能量的状态方程ω {Λ}。我们证明了值“-1”表示ω_{Λ}的稳定平衡。

英文摘要:

In this paper, we show that the holographic dark energy density hides in the solutions of Lovelock gravity for black holes. Using the obtained mass and temperature we find density equations. We propose a physical interpretation of the rescaled Lovelock couplings as a topological mass that describes the Lovelock branch. In addition to this, we present new solutions that satisfy the energy conditions according to the Lovelock coupling and the horizon curvatures. This work can be extended to the equation of the state ω_{Λ} of dark energy in third-order Lovelock gravity. We show that the value "-1" represents a stable equilibrium of ω_{Λ}.

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