円筒型イオンビーム・プラズマ系の不安定イオン波

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書誌事項

タイトル別名
  • The unstable ion waves in cylindrical ion beam-plasma system
  • エントウケイ イオン ビーム プラズマケイ ノ フアンテイ イオンハ

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説明

A dispersion relation is derived for an ion beam-plasma system located in a cylinder with perfectly conducting wall. There are able to be many waves formed of the eigen modes. One of these eigen modes can be unstable though the velocity of the ion beam is greater than that of the ion acoustic wave. The frequency region in which the wave becomes unstable jumps from higher to lower mode with increasing the length of the cylinder. A growth rate of the unstable wave is large for a large value of βm, n/a, here a and βm, n are a radius of the cylinder, the nth root of Bessel function Jm, respectively. The experimental results agree qualitatively with the theory.

収録刊行物

  • 核融合研究

    核融合研究 49 (1), 3-12, 1983

    社団法人 プラズマ・核融合学会

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