外部射频信号对波束激发电子波的抑制

O. Fukumasa, R. Itatani
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引用次数: 3

摘要

结合束流分布函数,研究了有界系统中束流激发电子波的抑制问题。根据注入光束在另一端是否被反射,波的抑制有两个不同的过程。在没有反射电子束的情况下,观察到电子束分布函数的变形与电子波的抑制有关。然而,当束电子被反射时,外波抑制了电子波,但分布函数没有明显变化。采用部分模拟的方法,对包含束流电子非线性运动的有界系统中两波之间的相互作用进行了数值研究。实验结果与数值结果在定性上一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Suppression of Beam-Excited Electron Waves by an Externally Applied RF Signal
Suppression of the beam-excited electron wave in a bounded system is investigated in connection with the beam distribution function. Wave suppression has two different processes depending on whether injected beams are reflected at the other end or not. In the absence of reflected beam electrons, deformation of the beam distribution function is observed in relation to the suppression of the electron wave. However, when beam electrons are reflected, the external wave suppresses the electron wave but distribution function shows no appreciable change. By using the method of partial simulation, interaction between two waves in the bounded system including nonlinear motions of beam electrons is studied numerically. Qualitative agreement between experimental and numerical results is obtained.
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