A particle-in-cell simulation of a powerful reflex triode with a radially converging magnetized electron beam was carried out. The complex dynamics of the electron beam and the generation characteristics of… Click to show full abstract
A particle-in-cell simulation of a powerful reflex triode with a radially converging magnetized electron beam was carried out. The complex dynamics of the electron beam and the generation characteristics of the reflex triode were studied. It is shown that a virtual cathode and, for the first time, a disk-shaped squeezed state of the beam were formed in it. Radial profiles of the electron temperature and a number of electrons in the squeezed state were calculated. It was calculated that the peak microwave power reaches
               
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