Analytical treatment of critical collapse in (2+1)-dimensional AdS spacetime:: a toy model

被引：20
|
作者：
Clément, G
Fabbri, A
机构：
[1] LAPTH, CNRS, Phys Theor Lab, F-74941 Annecy Le Vieux, France
[2] Univ Bologna, Dipartmento Fis, I-40126 Bologna, Italy
[3] Ist Nazl Fis Nucl, I-40126 Bologna, Italy
来源：
CLASSICAL AND QUANTUM GRAVITY | 2001年 / 18卷 / 17期
关键词：
D O I：
10.1088/0264-9381/18/17/318
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present an exact collapsing solution to 2 + 1 gravity with a negative cosmological constant minimally coupled to a massless scalar field, which exhibits physical properties making it a candidate critical solution. We discuss its global causal structure and its symmetries in relation to those of the corresponding continuously self-similar solution derived in the Lambda = 0 case. Linear perturbations on this background lead to approximate black hole solutions. The critical exponent is found to be gamma = 2/5.
引用
收藏
页码：3665 / 3680
页数：16
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