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arXiv 2005.09430gr-qc
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带电黑洞的准简正模和热涨落

Quasi-normal Modes and Thermal Fluctuations of Charged Black Hole with Weyl Corrections

M. Sharif, Zunaira Akhtar

摘要:

本文研究了带电黑洞在Weyl修正下的热力学、准简正模和热涨落。我们首先获得的热力学量,如霍金温度,熵,热容量的非旋转以及旋转版本的这个黑洞。我们还通过量子隧穿机制来评估温度,这与通过表面引力发现的完全相同。然后讨论了Davies点与准简正模的关系。最后,我们研究了热涨落对未修正热力学量的影响。得出的结论是,对数修正起源于热涨落使系统更不稳定的小BH。

英文摘要:

In this paper, we study thermodynamics, quasi-normal modes and thermal fluctuations of a charged black hole with Weyl corrections. We first obtain thermodynamic quantities such as Hawking temperature, entropy, and heat capacity for non-rotating as well as rotating versions of this black hole. We also evaluate temperature through quantum tunneling mechanism which is exactly the same as found through surface gravity. We then discuss the relation between Davies's point and quasi-normal modes. Finally, we investigate the effects of thermal fluctuations on the uncorrected thermodynamic quantities. It is concluded that the logarithmic corrections originated from thermal fluctuations make the system more unstable for small BHs.

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