Plasma Oscillations in a Magnetic Field
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概要
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The small amplitude plasma oscillations of a fully ionized plasma, in which collisions are neglected, in a constant external magnetic field are studied by expanding the velocity distribution about its equilibrium value. Use is made of full set of Maxwell's equation. It turns out in the case of a one component electron plasma the dispersion relation (which shows jumps in the frequency spectrum) for longitudinal oscillations in a plane perpendicular to the magnetic field has no solution for ω<ω_c (ω and ω_c being the frequency of the wave and cyclotron frequency respectively) while for low values of β (=Particle pressure/Magnetic pressure) the system is stable to transverse osciilations in the high frequency limit i.e.ω>ω_c.
- 社団法人日本物理学会の論文
- 1965-04-05