Radial orbit instability as a dissipation-induced phenomenon

被引:11
|
作者
Marechal, L. [1 ]
Perez, J. [1 ]
机构
[1] ENSTA, Lab Math Appl, Paris, France
关键词
gravitation; instabilities; methods: analytical; stars: kinematics and dynamics; SPHERICAL STELLAR-SYSTEMS; STAR-CLUSTERS; STABILITY; UNIVERSAL; COLLAPSE; HALOS;
D O I
10.1111/j.1365-2966.2010.16663.x
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
This paper is devoted to radial orbit instability in the context of self-gravitating dynamical systems. We present this instability in the new frame of dissipation-induced instability theory. This allows us to obtain a rather simple proof based on energetics arguments and to clarify the associated physical mechanism.
引用
收藏
页码:2785 / 2790
页数:6
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