Critical behavior in gravitational collapse of a perfect fluid

被引：31
|
作者：
Koike, T [1 ]
Hara, T
Adachi, S
机构：
[1] Keio Univ, Dept Phys, Kohoku Ku, Yokohama, Kanagawa 223, Japan
[2] Tokyo Inst Technol, Dept Appl Phys, Meguro Ku, Tokyo 152, Japan
来源：
PHYSICAL REVIEW D | 1999年 / 59卷 / 10期
关键词：
D O I：
10.1103/PhysRevD.59.104008
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
To confirm the scenario of critical behavior in gravitational collapse in a previous paper we carry out a rather complete analysis for perfect fluids with pressure proportional to density, in a wide range of the adiabatic index gamma. In particular, the uniqueness of the relevant mode around a fixed point is established by a Lyapunov analysis. This shows that critical phenomena occur not only for the radiation fluid but also for perfect fluids with 1 < gamma less than or similar to 1.889. We also analyze the stability of other self-similar solutions and also discuss the universality class. [S0556-2821(98)04324-0].
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页数：9
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