Gravitational instability of a nonrotating galaxy

被引：0
|
作者：
Chao, Alexander W. [1 ]
机构：
[1] Stanford Univ, Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA
来源：
PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2009年 / 12卷 / 10期
关键词：
D O I：
10.1103/PhysRevSTAB.12.104201
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Gravitational instability of the distribution of stars in a galaxy is a well-known phenomenon in astrophysics. This report is an attempt to analyze this phenomenon by applying standard tools developed in accelerator physics. It is found that a nonrotating galaxy would become unstable if its size exceeds a certain limit that depends on its mass density and its temperature.
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页数：10
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