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Stability and existence analysis of static black holes in pure Lovelock theories

机译:纯洛夫洛克理论中静态黑洞的稳定性和存在性分析

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摘要

In this paper, we study the existence and stability of static black holes in Lovelock theories with a particular focus on pure Lovelock black holes. We derive the equation of stability from action without using the S-deformation approach. Although a pure-Lovelock black hole in an even dimension is always unstable, introduction of Λ stabilizes it by prescribing a lower threshold mass while there also exists an upper bound on mass that is given by the existence of a horizon. We also study the stability of dimensionally continued black holes as well as of the pure Lovelock analogue of BTZ black holes in all odd dimensions.
机译:在本文中,我们研究了Lovelock理论中静态黑洞的存在和稳定性,特别关注纯Lovelock黑洞。我们无需使用S形变方法即可从动作中得出稳定性方程。尽管偶数维上的纯Lovelock黑洞始终不稳定,但引入Λ可以通过规定较低的阈值质量来稳定它,同时在质量上还存在一个上限,该上限由水平线的存在给出。我们还研究了尺寸连续的黑洞以及所有奇数维中BTZ黑洞的纯Lovelock类似物的稳定性。

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