Nonaxisymmetric Instabilities in Periodically Corrugated Cylindrical Waveguide with Low Magnetic Field
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概要
- 論文の詳細を見る
Nonaxisymmetric Cherenkov and slow cyclotron instabilities in a backward wave oscillator are investigated by using a new version of self-consistent linear theory. The slow cyclotron instability as well as Cherenkov instability can be driven by an axial electron beam without any initial perpendicular velocity. In a low magnetic field region, the radial displacement of beam plays an important role in the beam interactions. The slow cyclotron instability becomes strong, when the perturbed cyclotron motion and the electromagnetic wave rotate in the same direction. The rotational direction of electromagnetic wave also affects the Cherenkov instability.
- 社団法人 電気学会の論文
著者
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Ogura Kazuo
Graduate School Of Science And Technology Niigata University
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YAMAZAKI Hoshiyuki
Graduate School of Science and Technology, Niigata University
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IWAI Makoto
Graduate School of Science and Technology, Niigata University
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SUZUKI Yoshitaka
Graduate School of Science and Technology, Niigata University
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Yamazaki Hoshiyuki
Niigata Univ. Niigata
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Takagi Hirokazu
Graduate School of Science and Technology, Niigata University
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Watanabe Osamu
Plasma Research Center, University of Tsukuba
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