Hawking temperature and thermodynamics geometry of the 3D charged-dilaton black holes

被引：15
|
作者：
Han, Yiwen [1 ]
Zhang, Jingyi [2 ]
机构：
[1] Chongqing Technol & Business Univ, Coll Comp Sci, Chongqing 400067, Peoples R China
[2] Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
来源：
PHYSICS LETTERS B | 2010年 / 692卷 / 02期
基金：
美国国家科学基金会;
关键词：
Hawking temperature; Generalized Uncertainty Principle; Thermodynamics geometry; Black hole; FLUCTUATIONS;
D O I：
10.1016/j.physletb.2010.07.034
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this Letter, we first investigate the Hawking temperature of the 3D charged-dilaton black holes by using the Generalized Uncertainty Principle. The results show that corresponding to the minimum radius of the event horizon, with the order of the Planck scale, there is a minimum mass or remnant for this type of black holes. Then, we study the thermodynamics geometry of the 3D charged-dilaton black holes. We find that the Weinhold geometry of the 3D charged-dilaton black holes is curved, whereas its Ruppeiner geometry is flat. Finally, we calculate the heat capacity of the black holes, and obtain the phase transition point. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：74 / 77
页数：4
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