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- Title
On the theory of a Cherenkov relativistic plasma emitter with a coaxial electrodynamic system.
- Authors
Kuzelev, M.; Khapaeva, E.
- Abstract
A plasma microwave amplifier based on a relativistic electron beam in an electrodynamic system in the form of a coaxial waveguide with a thin tubular plasma in a strong external magnetic field has been considered. Dispersion relations for determining the spectra of plasma and beam waves in the coaxial waveguide, as well as the general dispersion relation describing beam-plasma interaction, have been obtained in the linear approximation. The frequency dependences of the spatial growth rates for different plasma radii and different plasma frequencies, as well as the characteristic frequencies of the plasma amplifier, have been obtained by numerically and analytically solving the dispersion relations. The parameters of the plasma amplifier and generator with the coaxial electrodynamic system have been estimated for their experimental implementation.
- Subjects
RELATIVITY (Physics); CHERENKOV radiation; ELECTRON beams; NUMERICAL analysis; ELECTRODYNAMICS; PLASMA electrodynamics; PLASMA waveguides; MAGNETIC fields; PLASMA radiation
- Publication
Plasma Physics Reports, 2012, Vol 38, Issue 7, p551
- ISSN
1063-780X
- Publication type
Article
- DOI
10.1134/S1063780X12070057