Modified entropy of Kerr-de Sitter black hole in Lorentz symmetry violation theory

被引：3
|
作者：
Laxmi, Y. Onika [1 ]
Singh, T. Ibungochouba [1 ]
Meitei, I. Ablu [2 ]
机构：
[1] Manipur Univ, Dept Math, Imphal 795003, India
[2] DM Coll Sci, Phys Dept, Imphal 795001, Manipur, India
来源：
GENERAL RELATIVITY AND GRAVITATION | 2022年 / 54卷 / 08期
关键词：
Kerr-de Sitter solution; Bekenstein-Hawking entropy; Klein-Gordon equation; Lorentz violation theory in curved space time; HAWKING RADIATION; COMPLEX PATHS; CPT TESTS; PARTICLES; STATIONARY; COVARIANCE; SPECTRUM;
D O I：
10.1007/s10714-022-02954-z
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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).
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页数：22
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