Thermodynamic Curvature and Phase Transitions from Black Hole with a Coulomb-Like Field

In this paper, we first investigate the thermodynamic features of the black hole with a coulomb-like field. Moreover, we obtain the geometric description of the black hole thermodynamics. We find that for the black hole with a coulomb-like field the Weinhold geometry is fiat, whereas its Ruppeiner g...

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Bibliographic Details
Published in:Communications in theoretical physics 2011-04, Vol.55 (4), p.599-601
Main Author: 韩亦文 包志清 洪云
Format: Article
Language:English
Subjects:
Black holes (astronomy)
Curvature
Curved
Heat capacity
Mathematical analysis
Specific heat
Thermodynamics
Transition points
几何形状
几何描述
变曲率
库仑场
曲率计算
热力学特征
菲亚特
黑洞热力学
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Summary:In this paper, we first investigate the thermodynamic features of the black hole with a coulomb-like field. Moreover, we obtain the geometric description of the black hole thermodynamics. We find that for the black hole with a coulomb-like field the Weinhold geometry is fiat, whereas its Ruppeiner geometry is curved. For the heat capacity and curvature calculation shows the Ruppeiner geometry has a transition point.
ISSN:0253-6102
DOI:10.1088/0253-6102/55/4/14