Energy Losses by a Sequence of Fast Charges and by a Gyrating Charge in a Magnetoplasma

概要

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Some examples of resonance phenomena in a magnetoplasma are investigated. First, the energy loss by a sequence of fast charges moving across the magnetic field is calculated. In the resonance regions where the ratio of the plasma frequency ω_0 to the cyclotron frequency ω_H satisfies certain conditions the energy-loss rate has a dominant term proportional to In(v/v_T). Here the velocity v of the charge of the sequence is assumed to be much larger than the thermal velocity, v_T, of the plasma. Next, the energy loss by a charge gyrating in a plane perpendicular to the magnetic field is calculated. The rate in this case is the same as that of the first case in the off-resonance regions, while in the resonance regions there is a little difference between the two cases.
社団法人日本物理学会の論文
1965-04-05