Gravitational collapse to toroidal, cylindrical, and planar black holes

被引：60
作者：
Lemos, JPS
机构：
[1] CNPq, Observ Nacl, Dept Astrofis, BR-20921 Rio De Janeiro, Brazil
[2] Univ Tecn Lisboa, Dept Fis, Inst Super Tecn, P-1096 Lisbon, Portugal
来源：
PHYSICAL REVIEW D | 1998年 / 57卷 / 08期
关键词：
D O I：
10.1103/PhysRevD.57.4600
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Gravitational collapse of non-spherical symmetric matter leads inevitably to non-static external spacetimes. It is shown here that gravitational collapse of matter with toroidal topology in a toroidal anti-de Sitter background proceeds to form a toroidal black hole. According to the analytical model presented, the collapsing matter absorbs energy in the form of radiation (be it scalar, neutrinos, electromagnetic, or gravitational) from the exterior spacetime. Upon decompactification of one or two coordinates of the torus one gets collapsing solutions of cylindrical or planar matter onto black strings or black membranes, respectively. The results have implications on the hoop conjecture.
引用
收藏
页码：4600 / 4605
页数：6
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