Abstract
A method is proposed for producing microwave generation in a relativistic magnetically insulated vircator in the under-limit mode of an electron beam. The method is implemented if the repeated or multiple passage of the electron beam of the drift tube is organized. In this case, a virtual cathode is formed in the vircator and the powerful microwave generation occurs. Using the particle-in-cell (PiC) simulation, the microwave producing characteristics of the radiation are calculated upon the re-introduction of the beam into the drift tube and the nonlinear dynamics of the electron beam is studied.
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Dubinov, A.E., Tarakanov, V.P. Simulation of a Magnetically Isolated Vircator with an Under-Limit Electron Beam. Plasma Phys. Rep. 46, 570–573 (2020). https://doi.org/10.1134/S1063780X20040029
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DOI: https://doi.org/10.1134/S1063780X20040029