Whistler instability in an electron-magnetohydrodynamic spheromak

被引：17
|
作者：
Stenzel, R. L. [1 ]
Urrutia, J. M. [1 ]
Strohmaier, K. D. [1 ]
机构：
[1] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 26期
关键词：
D O I：
10.1103/PhysRevLett.99.265005
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A three-dimensional magnetic vortex, propagating in the whistler mode, has been produced in a laboratory plasma. Its magnetic energy is converted into electron kinetic energy. Non-Maxwellian electron distributions are formed which give rise to kinetic whistler instabilities. The propagating vortex radiates whistler modes along the ambient magnetic field. A new instability mechanism is proposed.
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页数：4
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