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arXiv 0708.3145gr-qc
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规则黑洞的热力学

Thermodynamics of regular black hole

Yun Soo Myung, Yong-Wan Kim, Young-Jai Park

摘要:

研究了在广义相对论和非线性电磁场作用下的磁荷规则黑洞(MCRBH)的热力学性质,并与降维后的四维和二维Reissner-Norström(RN)黑洞进行了比较.我们发现,在两个维度上,对于固定电荷$Q$,规则黑洞和RN黑洞之间没有热力学差异。这意味着在坐标原点处的奇异性或正则性条件不影响黑洞的热力学性质。此外,我们还结合Jackiw-Teitelboim理论描述了MCRBH的近视界AdS $_2$热力学。我们还通过使用AdS $_2$ /CFT $_1$对应关系将近视界熵识别为统计熵。

英文摘要:

We investigate thermodynamics for a magnetically charged regular black hole (MCRBH), which comes from the action of general relativity and nonlinear electromagnetics, comparing with the Reissner-Norström (RN) black hole in both four and two dimensions after dimensional reduction. We find that there is no thermodynamic difference between the regular and RN black holes for a fixed charge $Q$ in both dimensions. This means that the condition for either singularity or regularity at the origin of coordinate does not affect the thermodynamics of black hole. Furthermore, we describe the near-horizon AdS$_2$ thermodynamics of the MCRBH with the connection of the Jackiw-Teitelboim theory. We also identify the near-horizon entropy as the statistical entropy by using the AdS$_2$/CFT$_1$ correspondence.

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