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Nonlinear dynamics of an electron beam with a virtual cathode in a finite drift space

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Abstract

Nonlinear oscillations of an electron beam with a virtual cathode in a finite-length drift tube region are examined by numerical simulation (the PIC method). The change in dynamics of the beam complex with decreasing radius of the drift tube is investigated. The dynamical nature of the stochastic oscillations produced by the virtual cathode is demonstrated by an attractor dimension analysis. Physical processes in the electron beam are studied. It is found that one mechanism responsible for the chaotic behavior of the electron beam is due to the nonlinear interaction between the autostructures organized in it.

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Authors
  1. V. G. Anfinogentov
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Additional information

State University, Saratov. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 38, Nos. 3–4, pp. 268–274, March–April, 1995.

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Anfinogentov, V.G. Nonlinear dynamics of an electron beam with a virtual cathode in a finite drift space. Radiophys Quantum Electron 38, 175–179 (1995). https://doi.org/10.1007/BF01037894

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  • DOI: https://doi.org/10.1007/BF01037894

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