Phys. Rev. ST Accel. Beams 12, 104201 (2009) [10 pages]Gravitational instability of a nonrotating galaxy
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. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.12.104201
DOI:
10.1103/PhysRevSTAB.12.104201
PACS:
29.20.D−, 95.30.Sf
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