Analysis of the Negative Absorption of Plasma-Cavity System

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概要

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• A possibility of amplification by a cylindrical cavity of reflection type coaxial with a plasma column along the static magnetic field is discussed. The Q-value contributed from the plasma (Q_p) is calculated under the following: i) The plasma is so tenuous that the peturbation theory may be used. ii) The velocity distribution function for plasma electrons is fo∝v^qexp(-bv^〓). iii) The effective collision frequency for momentum transfer is dominantly due to the collisions of an electron with neutral particles and varies with the speed v as v_e(v)∝v^k. iv) The radius of the plasma is sufficiently smaller than the radius of the cavity. When Q_p<0, the plasma-cavity system has a possibility of amplification or oscillation. This characteristic depends sensibly on the velocity distribution function for plasma electrons.

• 社団法人日本物理学会の論文
• 1966-04-05

著者

• IDEHARA Toshitaka

  Department of Applied Physics,Fukui University

• TAKAHASHI Isao

  Department of Physics, School of Science, The University of Tokyo

• Idehara Toshitaka

  Department Of Applied Physics Fukui University

• Idehara Toshitaka

  Department Of Physics Faculty Of Science University Of Kyoto

• TERUMICHI Yasushi

  Department of Physics,Faculty of Science,Kyoto University

• MITANI Kenji

  Yoshida College, Kyoto University

• Mitani Kenji

  Yoshida College Kyoto University

• Takahashi Isao

  Department Of Physics Faculty Of Science University Of Kyoto

• Terumichi Yasushi

  Department Of Physics Faculity Of Science Kyoto University

• Takahashi Isao

  Department Of Physics Faculty Of Science Kyoto University

• Takahashi Isao

  Department Of Physics Faculty Of Science And Technology Kwansei Gakuin University

• Takahashi Isao

  Department Of Biomolecular Science Faculty Of Science Toho University

• Takahashi Isao

  Department of Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology

• Idehara T.

  Department of Physics, Faculty of Science, University of Kyoto

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