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首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers & Short Notes >Comments on 'Cerenkov Instability due to Unmagnetized Electron Beam in Periodically Corrugated Waveguide' [Jpn. J. Appl. Phys. 42 (2003) 7095]
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Comments on 'Cerenkov Instability due to Unmagnetized Electron Beam in Periodically Corrugated Waveguide' [Jpn. J. Appl. Phys. 42 (2003) 7095]

机译:关于“周期性波纹波导中未磁化电子束引起的切伦科夫不稳定性”的评论[Jpn。 J.应用物理42(2003)7095]

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摘要

It is the purpose of the present comments to show that the boundary condition on the discontinuity of the wave electric field radial component at the interface of a relativistic electron beam with vacuum, used recently in Ogura et al. [Jpn. J. Appl. Phys. 42 (2003) 7095], as derived by Bobroff [IRE Trans. Electron Devices 6 (1959) 68] from the definition of an electric polarization, can be directly derived from Maxwell's equation. The equivalent boundary condition on the discontinuity of the wave magnetic field tangential component can also be directly derived from Maxwell's equations.
机译:本评论的目的是表明最近在Ogura等人中使用的相对论电子束与真空的界面处的波电场径向分量的不连续性的边界条件。 [日本。 J.应用物理Bobroff [IRE Trans。42(2003)7095]。可以根据麦克斯韦方程直接推导出电极化的定义的电子设备6(1959)68。关于波磁场切向分量的不连续性的等效边界条件也可以直接从麦克斯韦方程组导出。

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