Joule-Thomson expansion of the Bardeen-AdS black holes

被引：29
|
作者：
Li, Cong [1 ]
He, Pengzhang [1 ]
Li, Ping [1 ]
Deng, Jian-Bo [1 ]
机构：
[1] LanZhou Univ, Inst Theoret Phys, Lanzhou 730000, Peoples R China
来源：
GENERAL RELATIVITY AND GRAVITATION | 2020年 / 52卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Black hole thermodynamics; Joule-Thomson expansion; Bardeen black holes;
D O I：
10.1007/s10714-020-02704-z
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Joule-Thomson expansion process is studied for Bardeen-AdS black holes in the extended phase space. We first get the Joule-Thomson coefficient, and then the inversion curves are obtained. In addition, the minimum inversion temperature and its corresponding mass are obtained. The ratio between minimum inversion and critical temperature for Bardeen-AdS black holes is also calculated. The isenthalpic curves are drawn in T-P graph and cooling-heating region are also demonstrated by the inversion curve. An interesting phenomenon we get is that black hole whose mass to charge ratio is below the critical value is always in heating process. The same phenomenon can be also obtained from the charged AdS black holes.
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页数：10
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