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Modified entropy of Kerr-de Sitter black hole in Lorentz symmetry violation theory
General Relativity and Gravitation ( IF 2.8 ) Pub Date : 2022-07-26 , DOI: 10.1007/s10714-022-02954-z
Y. Onika Laxmi , T. Ibungochouba Singh , I. Ablu Meitei

The quantum tunneling radiation of scalar particles near the event horizon of Kerr-de Sitter black hole is investigated in three systems of coordinates namely naive coordinate system, Painleve coordinate system and Eddington coordinate system using Lorentz violation theory in curved space time. The Klein-Gordon equation of scalar particles is transformed into Hamilton-Jacobi equation by using Lorentz violation theory in curved space time. We observe that due to Lorentz violation theory, the expressions of Hawking temperatures, the Bekenstein-Hawking entropies and heat capacities near the event horizon of Kerr-de Sitter black hole are modified. The Hawking temperatures, entropies and heat capacities increase or decrease depending upon the choices of ether like vectors \(u^\alpha \).



中文翻译:

洛伦兹对称破坏理论中克尔德西特黑洞的修正熵

在弯曲时空中,利用洛伦兹违反理论,在朴素坐标系、潘莱夫坐标系和爱丁顿坐标系三个坐标系中研究了克尔德西特黑洞视界附近标量粒子的量子隧穿辐射。利用弯曲时空洛伦兹违反理论,将标量粒子的Klein-Gordon方程转化为Hamilton-Jacobi方程。我们观察到,由于洛伦兹违反理论,Kerr-de Sitter 黑洞事件视界附近的霍金温度、Bekenstein-Hawking 熵和热容量的表达式被修改了。霍金温度、熵和热容量的增加或减少取决于乙醚类向量\(u^\alpha \)的选择。

更新日期:2022-07-28
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