CFT duals on extremal rotating NUT black holes

被引:25
作者
Sakti, Muhammad F. A. R. [1 ]
Suroso, A. [1 ,2 ]
Zen, Freddy P. [1 ,2 ]
机构
[1] Inst Teknol Bandung, THEPI Div, Theoret Phys Lab, Jl Ganesha 10, Bandung 40132, Indonesia
[2] Inst Teknol Bandung, ICTMP, Jl Ganesha 10, Bandung 40132, Indonesia
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2018年 / 27卷 / 12期
关键词
Black holes; NUT charge; spacetime symmetries; Kerr/CFT correspondence; ASYMPTOTIC SYMMETRIES; SPACE;
D O I
10.1142/S0218271818501092
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate the Kerr-Newman-NUT black hole solution obtained from Plebafiski-Demiafiski solutions with several assumptions. The origin of the microscopic entropy of this black hole is investigated using the conjectured Kerr/CFT correspondence which is originally proposed for extremal Kerr black holes. The isometry of the near-horizon extremal Kerr-Newman-NUT black hole shows that the asymptotic symmetry group may be implemented to compute the central charge of the Virasoro algebra. Furthermore, by assuming the Frolov-Thorne vacuum, the conformal temperatures can be obtained. Then by using the Cardy formula, the microscopic entropy is gained which matches the Bekenstein-Hawking entropy. We also employ the Cardy prescription to find the logarithmic correction of the entropy. Then at limit a -> 0, the extremal Reissner-Nordstrom-NUT solution is recovered and by enhancing with the fibered coordinate we find the live-dimensional (5D) solution. The second dual CFT is applied to this black hole to gain the entropy. Finally, the microscopic entropy is still in agreement, with the area law of 5D black hole solution. Hence, the extremal Reissner-Nordstrom-NUT solution is holographically dual to the CFT.
引用
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页数:21
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