Dispersion relation and growth rate in thermal plasma-loaded traveling wave tube with corrugated waveguide hollow electron beam

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• 作者：Samina Dehghanizadeh ; Shahrooz Saviz
• 关键词：RTWT ; Annular electron beam ; Thermal plasma ; Dispersion relation ; Growth rate
• 刊名：Journal of Theoretical and Applied Physics
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：9
• 期：2
• 页码：111-118
• 全文大小：1,083 KB
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• 作者单位：Samina Dehghanizadeh (1)
  Shahrooz Saviz (2)
  
  1. Central Tehran Branch, Islamic Azad University, Tehran, Iran
  2. Science and Research Branch, Plasma Physics Research Center, Islamic Azad University, Tehran, Iran
  
• 刊物主题：Theoretical, Mathematical and Computational Physics;
• 出版者：Springer Berlin Heidelberg
• ISSN：2251-7235

文摘

A theory of relativistic traveling wave tube with magnetized thermal plasma-filled corrugated waveguide with annular electron beam is given. The dispersion relation is obtained by linear fluid theory. The characteristic of the dispersion relation is obtained by numerical solutions. The effect of plasma density, corrugated period, waveguide radius and plasma thermal effect on the dispersion relation and growth rate are analyzed. Some useful results are given.