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Quasi-normal modes and thermal fluctuations of charged black hole with Weyl corrections
Physics of the Dark Universe ( IF 5.5 ) Pub Date : 2020-05-15 , DOI: 10.1016/j.dark.2020.100589
M. Sharif , Zunaira Akhtar

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 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.



中文翻译:

带Weyl校正的带电黑洞的准正规模和热涨落

在本文中,我们通过Weyl校正研究带电黑洞的热力学,准正态模和热涨落。我们首先获得热力学量,例如该黑洞的非旋转以及旋转形式的霍金温度,熵和热容。我们还通过量子隧穿机制评估温度,该机制与通过表面重力发现的温度完全相同。然后,我们讨论Davies点与准法线模式之间的关系。最后,我们研究了热涨落对未校正的热力学量的影响。结论是,源自热波动的对数校正使系统对于较小的BH更加不稳定。

更新日期:2020-05-15
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