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arXiv 2203.02685gr-qc
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f(R,R)引力下BTZ黑洞的热力学几何分析

Thermodynamic geometric analysis of BTZ black hole in f(R,ϕ) Gravity

Wen-Xiang Chen, Yao-Guang Zheng

摘要:

本文得到了f(R)引力下广义黑洞解的热力学几何。这是我们工作的基础。对于某些解,我们还得到了f(R)模型的精确形式.在热力学分析中,我们计算了这些解的温度和熵等热力学量,并与相应的BTZ黑洞进行了比较。在此基础上,我们研究了BTZ黑洞的f(R)-引力(扩展的黑洞解)等Ruppeiner几何,并分析了Ruppeiner几何与van der Waals方程在其相变过程中的热力学比较。

英文摘要:

In this work, we obtain the thermodynamic geometry of the extended black hole solution under f(R) gravity. This is the foundation of our work. We also obtain the exact form of the f(R) model for some solutions. In the thermodynamic analysis, we calculate the thermodynamic quantities such as temperature and entropy of these solutions and compare them with the corresponding BTZ black holes. After that, we study the Ruppeiner geometry, such as the f(R)-gravity (extended black hole solution) of the BTZ black hole, and analyze the thermodynamic comparison of the Ruppeiner geometry with the van der Waals equation for its phase transition process.

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