Thermodynamics of two aligned Kerr-Newman black holes

被引：6

作者：

Garcia-Compean, H. ^{[1
]}

Manko, V. S. ^{[1
]}

Ramirez-Valdez, C. J. ^{[1
]}

机构：

[1] IPN, Ctr Invest & Studios Avanzados, Dept Fis, AP 14-740, Ciudad De Mexico 07000, Mexico

来源：

PHYSICAL REVIEW D | 2021年 / 103卷 / 10期

关键词：

GRAVITATIONAL-FIELD; MASS;

D O I：

10.1103/PhysRevD.103.104001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the notion of thermodynamic length, the first law of thermodynamics is consistently derived for two binary configurations of equal Kerr-Newman black holes separated by a massless strut. As in the electrostatic systems of two Reissner-Nordstrom black holes and stationary vacuum systems of two Kerr black holes considered earlier, the thermodynamic length l turns out to be defined by the same simple formula l = L exp (gamma(0)), L being the coordinate length of the strut and gamma(0) the value of the metric function gamma on the strut, which permits the elaboration of l in a concise analytic form. The expression of the free energy in the case of two generic Kerr-Newman black holes is also proposed.

引用

页数：8

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