Modified Jeans Instability Criteria for Magnetized Systems

Details Modified Jeans Instability Criteria for Magnetized Systems Modified Jeans Instability Criteria for Magnetized Systems

2008-05-15

arxiv.org/abs/0805.2287v1

Physics

Plasma Physics

7 pages, 6 figures, submitted to Physics of Plasmas

Scientific paper

10.1063/1.2956641

The Jeans instability is analyzed for dense magnetohydrodynamic plasmas with intrinsic magnetization, the latter due to collective electron spin effects. Furthermore, effects of electron tunneling as well as the Fermi pressure are included. It is found that the intrinsic magnetization of the plasma will enhance the Jeans instability, and can significantly modify the structure of the instability spectra. Implications and limitations of our results are discussed, as well as possible generalizations.

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