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arXiv 1906.01152gr-qc
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具有$Λ>0$的规则黑洞及其在Lovelock引力中的演化

Regular black holes with $Λ>0$ and its evolution in Lovelock gravity

Rodrigo Aros, Milko Estrada

摘要:

在这项工作中,它表明,经常黑洞与宇宙视界,这是Lovelock引力的解决方案,热力学决定,他们必须演变成一个状态,黑洞和宇宙视界已经达到热平衡或极端的黑洞几何的黑洞和宇宙视界已经合并。这不同于史瓦西德西特几何的行为,它演化成德西特空间,即解空间的基态。这是由于黑洞视界的热容发生了相变。为了进行分析,它表明,在每一个地平线上的局部热力学热力学第一定律可以从引力方程。

英文摘要:

In this work it is shown that the thermodynamics of regular black holes with a cosmological horizon, which are solutions of Lovelock gravity, determines that they must evolve either into a state where the black hole and cosmological horizons have reached thermal equilibrium or into an extreme black hole geometry where the black hole and cosmological horizons have merged. This differs from the behavior of Schwarzschild de Sitter geometry which evolves into a de Sitter space, the ground state of the space of solutions. This occurs due to a phase transition of the heat capacity of the black hole horizon. To perform that analysis it is shown that at each horizon a local first law of thermodynamics can be obtained from the gravitational equations.

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