Gravitational collapse in 2+1 dimensional AdS spacetime

被引:86
作者
Pretorius, F [1 ]
Choptuik, MW
机构
[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada
[2] Canadian Inst Adv Res, Grav & Cosmol Program, Toronto, ON M5G 1Z8, Canada
[3] Univ Texas, Ctr Relat, Austin, TX 78712 USA
关键词
D O I
10.1103/PhysRevD.62.124012
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present results of numerical simulations of the formation of black holes from the gravitational collapse of a massless, minimally coupled scalar field in 2+1 dimensional, axially symmetric, anti-de Sitter (AdS) spacetime. The geometry exterior to the event horizon approaches the BTZ solution, showing no evidence of scalar "hair." To study the interior structure we implement a variant of black-hole excision, which we call singularity excision. We find that interior to the event horizon a strong, spacelike curvature singularity develops. We study the critical behavior at the threshold of black hole formation, and find a continuously self-similar solution and corresponding mass-scaling exponent of approximately 1.2. The critical solution is universal to within a phase that is related to the angle deficit of the spacetime.
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页码:1 / 15
页数:15
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