Abstract
This study aims to contribute to the analysis of the mechanisms ofwave-energy absorption and electron heating in waveguide discharges sustainedby propagating Trivelpiece-Gould modes. The discussion is based on aderivation of the dispersion law and the wavefield distribution in cylindricalwaveguides with magnetized collisional plasmas with a diffuse boundary.Through resonance absorption associated with the transformation ofTrivelpiece-Gould modes into upper hybrid volume waves, the plasma-densityradial inhomogeneity affects the wave behaviour. The conditions of theexistence of resonance absorption are analysed and its role in the maintenanceof wave-produced gas discharges in external magnetic fields is discussed.
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