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arXiv 1910.03378gr-qchep-th
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Reissner-Nordström黑洞的精细微观热结构

Fine micro-thermal structures for Reissner-Nordström black hole

Zhen-Ming Xu, Bin Wu, Wen-Li Yang

备注：
v1:5 pages, 1 figure;v2:clarifications and references added; v3: final version to be published in Chinese Physics C
发表信息：
Chinese Physics C Vol. 44, No. 9 (2020) 095106
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摘要：

本文以[Phys. Rev. Lett.]中提出的黑洞分子概念为基础，解决了Reissner-Nordström黑洞分子之间是否通过Ruppeiner热力学几何相互作用的难题。115（2015）111302]和选择适当的扩展变量。我们的结果表明Reissner-Nordström黑洞确实是一个相互作用系统，可能是由排斥相互作用主导。更重要的是，借助一个新的量，即热电荷密度，我们详细描述了Reissner-Nordström黑洞的精细微观热结构。三个不同的阶段，即自由，互动和平衡的阶段。热电荷密度起到类似于序参量的作用，背空穴在自由相和相互作用相之间发生新的相变。Reissner-Nordström黑洞的自由相和相互作用相之间存在竞争，导致了黑洞温度的极端行为.对于极端的Reissner-Nordström黑洞，整个系统完全处于相互作用阶段。更重要的是，我们提供了Reissner-Nordström黑洞裸奇点形成的热力学微观机制。

英文摘要：

We solve the condundrum on whether the molecules of the Reissner-Nordström black hole interact through the Ruppeiner thermodynamic geometry, basing our study on the concept of the black hole molecule proposed in [Phys. Rev. Lett. 115 (2015) 111302] and choosing the appropriate extensive variables. Our results show that the Reissner-Nordström black hole is indeed an interaction system that may be dominated by repulsive interaction. More importantly, with the help of a novel quantity, namely the thermal-charge density, we describe the fine micro-thermal structures of the Reissner-Nordström black hole in detail. Three different phases are presented, namely the free, interactive, and balanced phases. The thermal-charge density plays a role similar to the order parameter, and the back hole undergoes a new phase transition between the free phase and interactive phase. The competition between the free phase and interactive phase exists, which leads to extreme behavior of the temperature of the Reissner-Nordström black hole. For the extreme Reissner-Nordström black hole, the entire system is completely in the interactive phase. More importantly, we provide the thermodynamic micro-mechanism for the formation of the naked singularity of the Reissner-Nordström black hole.

机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。

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