Amplification of surface waves in a plasma waveguide by a straight relativistic electron beam in a finite magnetic field |
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Authors: | I N Kartashov M V Kuzelev A A Rukhadze |
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Institution: | (1) Prokhorov Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia |
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Abstract: | The problem of the excitation of electron waves in a thin-walled annular cold plasma in a cylindrical waveguide by a straight relativistic electron beam in a finite magnetic field is considered. The dispersion properties of a waveguide system with parameters close to the experimental ones are investigated. It is shown that the growth rate of the excited high-frequency plasma wave is comparable to that of the low-frequency wave, which is weakly sensitive to the strength of the longitudinal magnetic field. |
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