Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole

doi:10.1088/1674-1056/19/9/090401

中国物理B ›› 2010, Vol. 19 ›› Issue (9): 90401-090401.doi: 10.1088/1674-1056/19/9/090401

Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole

兰明建, 陈刚, 韩亦文

College of Computer Science, Chongqing Technology and Business University, Chongqing 400067, China

收稿日期:2010-01-11 修回日期:2010-02-06 出版日期:2010-09-15 发布日期:2010-09-15
基金资助:
Project supported by the Scientific and Technological Foundation of Chongqing Municipal Education Commission of China (Grant No. KJ090731) and the Science Foundation for Youths of Chongqing Technology and Business University of China (Grant No. 0852011).

Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole

Lan Ming-Jian(兰明建)^†, Chen Gang(陈刚), and Han Yi-Wen(韩亦文)

College of Computer Science, Chongqing Technology and Business University, Chongqing 400067, China

Received:2010-01-11 Revised:2010-02-06 Online:2010-09-15 Published:2010-09-15
Supported by:
Project supported by the Scientific and Technological Foundation of Chongqing Municipal Education Commission of China (Grant No. KJ090731) and the Science Foundation for Youths of Chongqing Technology and Business University of China (Grant No. 0852011).

摘要/Abstract

摘要： This paper studies the thermodynamic properties of the Garfinkle--Horowitz--Strominger dilaton black hole from the viewpoint of geometry. It calculates the heat capacity and the temperature of the black hole, Weinhold metric and Ruppeiner metric are also obtained respectively. It finds that they are both curved and the scalar curvature of the Weinhold geometry consists with the first-order transition point reproduced from the capacity, while the Ruppeiner one is both in accordance with the first-order and the second-order phase transition points reproduced from the capacity.

Abstract: This paper studies the thermodynamic properties of the Garfinkle–Horowitz–Strominger dilaton black hole from the viewpoint of geometry. It calculates the heat capacity and the temperature of the black hole, Weinhold metric and Ruppeiner metric are also obtained respectively. It finds that they are both curved and the scalar curvature of the Weinhold geometry consists with the first-order transition point reproduced from the capacity, while the Ruppeiner one is both in accordance with the first-order and the second-order phase transition points reproduced from the capacity.

Key words: black hole, thermodynamic geometry, phase transition

中图分类号:

0420

兰明建, 陈刚, 韩亦文. Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole[J]. 中国物理B, 2010, 19(9): 90401-090401.

Lan Ming-Jian(兰明建), Chen Gang(陈刚), and Han Yi-Wen(韩亦文). Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole[J]. Chin. Phys. B, 2010, 19(9): 90401-090401.

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Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole

Thermodynamic geometry of the Garfinkle–Horowitz–Strominger dilaton black hole

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