TESTING COSMIC CENSORSHIP WITH BLACK-HOLE COLLISIONS

被引：80

作者：

BRILL, DR ^{[1
]}

HOROWITZ, GT ^{[1
]}

KASTOR, D ^{[1
]}

TRASCHEN, J ^{[1
]}

机构：

[1] UNIV MASSACHUSETTS,DEPT PHYS & ASTRON,AMHERST,MA 01003

来源：

PHYSICAL REVIEW D | 1994年 / 49卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.49.840

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

There exists an upper limit on the mass of black holes when the cosmological constant Lambda. is positive. We study the collision of two black holes whose total mass exceeds this limit, Our investigation is based on a recently discovered exact solution describing the collision of Q=M black holes with Lambda>0. The global structure of this solution is analyzed. We find that if the total mass is less than the extremal limit, then the black holes coalesce. If it is greater, then a naked singularity forms to the future of a Cauchy horizon. However, the horizon is not smooth. Generically, there is a mild curvature singularity, which still allows geodesics to be extended. The implications of these results for cosmic censorship are discussed.

引用

页码：840 / 852

页数：13

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