Frequency Shift of an Electron Plasma Oscillation in a Modulated Beam-Plasma System

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概要

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• A spontaneous electron plasma oscillation in a beam-plasma system can be suppressed by modulating the beam density. In this case small shift of frequency of the oscillation is observed. At the same time oscillations with frequencies $2\omega-\omega_{\text{m}}$ and $2\omega_{\text{m}}-\omega$ arise, where $\omega$ is the frequency of the spontaneous oscillation and $\omega_{\text{m}}$ is the modulation frequency. However, oscillations having frequencies $\omega_{\text{m}}+\omega$ and $|\omega_{\text{m}}-\omega|$ are not detected. These phenomena are interpreted on the basis of van der Pol equation with a driving term, and a good agreement is found between the theory and the experiment.

• 社団法人日本物理学会の論文
• 1976-07-15

著者

• Itakura Akiyosi

  Department Of Applied Physics Faculty Of Science Tokyo University Of Education

• Itakura Akiyoshi

  Department Of Applied Physics Faculty Of Science Tokyo University Of Educatioin

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• Frequency Shift of an Electron Plasma Oscillation in a Modulated Beam-Plasma System

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