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The effects of interminiband tunnelling of the electrons in semiconductor superlattice on the electric current through this device are studied. It is shown that the change in miniband gap significantly affects both the current-voltage characteristics and high-frequency current oscillations in semiconductor superlattice.
The system of dynamics equations describing the propagation of high-current charged-particle beam in a coaxial drift-tube in combined longitudinal homogeneous (guide) and periodic magnetostatic undulator fields is formulated. The self-electric field and both longitudinal and azimuthal components of self-magnetic field of charged-particle beam averaged over the undulator period are obtained.
The present report deals with the origin and the suppression of chaotic generation modes in the unidirectional connected gyro-backward wave tube (GBWT). It was shown that it is possible to establish both the modes of chaotic generation and the modes of stationary oscillations in the chain of GBWT when the frequency and the power of first GBWT change. The physical processes, resulted in the origin...
Influence of electron temperature velocity initial distribution upon virtual cathode (VC) nonlinear dynamics and output characteristics of devices with a virtual cathode are analyzed by means of 2D numerical simulation. It was discovered that electron velocity distribution in the electron beam cause VC oscillations to break off.
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