Binary black hole system at equilibrium

被引：10

作者：

Astorino, Marco ^{[1
]}

Vigano, Adriano ^{[1
,2
]}

机构：

[1] Ist Nazl Fis Nucl INFN, Sez Milano, Via Celoria 16, I-20133 Milan, Italy

[2] Univ Milan, Via Celoria 16, I-20133 Milan, Italy

来源：

PHYSICS LETTERS B | 2021年 / 820卷

关键词：

EQUATIONS;

D O I：

10.1016/j.physletb.2021.136506

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

An exact and analytical solution of four dimensional vacuum General Relativity representing a system of two static black holes at equilibrium is presented. The metric is completely regular outside the event horizons, both from curvature and conical singularities. The balance between the two Schwarzschild sources is granted by an external gravitational field, without the need of extra matter fields besides gravity, nor strings or struts. The geometry of the solution is analysed. The Smarr law, the first and the second law of black hole thermodynamics are discussed. (C) 2021 The Author(s). Published by Elsevier B.V.

引用

页数：6

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