Analysis of Three‐Dimensional Motion of Relativistic Electrons in Ion‐Focused Electrostatic System
作者： P.-K. Liu
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摘要: Three-dimensional motion of relativistic electrons in ion-focused electrostatic system, which is the basis investigating ion-channel electron cyclotron maser (ICECM) or circular polarized laser (CPICL), analyzed through nonlinear numerical simulation. The results show that projection orbit cross-section is, general, a precessing ellipse with center on axis cylindrical ion-focuse system. When injection satisfy specific condition, can have steady orbit. effect factor electrons' discussed. Using perturbation method, eigenfrequency this system derived as √4-β 2 ⊥ω 01 , where ω 0 frequency electrons. This implies there may exist new kind instability ICECM CPICL.
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