RPS thermodynamics of Taub-NUT AdS black holes in the presence of central charge and the weak gravity conjecture

被引:51
作者
Sadeghi, Jafar [1 ]
Shokri, Mehdi [2 ,3 ]
Gashti, Saeed Noori [1 ]
Alipour, Mohammad Reza [1 ]
机构
[1] Univ Mazandaran, Dept Phys, Babolsar 4741695447, Iran
[2] Damghan Univ, Sch Phys, Damghan 3671641167, Iran
[3] Canadian Quantum Res Ctr, 204-3002 32 Ave, Vernon, BC V1T 2L7, Canada
关键词
Taub-Nut AdS black holes; Weak gravity conjecture; Central charge; DESITTER; ENTROPY;
D O I
10.1007/s10714-022-03024-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study the thermodynamics of the Taub-NUT AdS black holes by Visser's holographic method using AdS radius as a constant parameter under the restricted phase space approach. Instead of the variables P and V, we deal with the central charge and also chemical potential as a unique couple of conjugate thermodynamic variables. We study some interesting properties of the Taub-NUT black holes e.g. supercritical phase equilibrium in the T - S processes, Q - Phi and the Hawking-Page phase transition in the mu - C processes. As a consequence, the consistency of the weak gravity conjecture of multi-charge for Taub-NUT-AdS black holes at critical points is proved. We conclude that in the presence of the central charge and assuming C = 3/8 l(2), weak gravity conjecture could be satisfied in the Taub-NUT-AdS black holes with (n) over cap << 1.
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页数:13
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