Ruppeiner geometry of the RN-AdS black hole using shadow formalism

被引：15
作者：
Wang, Chao [1 ,2 ]
Wu, Bin [1 ,2 ,3 ,4 ]
Xu, Zhen-Ming [1 ,2 ,3 ,4 ]
Yang, Wen-Li [1 ,2 ,3 ,4 ]
机构：
[1] Northwest Univ, Sch Phys, Xian 710127, Peoples R China
[2] Northwest Univ, Inst Modern Phys, Xian 710127, Peoples R China
[3] Shaanxi Key Lab Theoret Phys Frontiers, Xian 710127, Peoples R China
[4] Peng Huanwu Ctr Fundamental Theory, Xian 710127, Peoples R China
来源：
NUCLEAR PHYSICS B | 2022年 / 976卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
THERMODYNAMICS; SPACE;
D O I：
10.1016/j.nuclphysb.2022.115698
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The connection between the shadow radius and the Ruppeiner geometry of a charged static spherically symmetric black hole is investigated. The normalized curvature scalar is adopted, and its close relation to the Van der Waals-like and Hawking-Page phase transition of the Reissner-Nordstrom AdS black hole is studied. The results show that the shadow radius is a useful tool to reveal the correct information of the phase structure and the underlying microstructure of the black hole, which opens a new window to investigate the strong gravity system from the observational point of view. (C) 2022 The Author(s). Published by Elsevier B.V.
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页数：17
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