Space-charge waves in a coaxial plasma waveguide
- Department of Physics, Korea University of Technology and Education, Chunan, Choongnam 330-860 (Korea)
- Department of Physics and Astronomy, University of Missouri---Columbia, Columbia, Missouri 65211 (United States)
- Department of Physics, Teacher Training University, Tehran (Iran)
The propagation of space-charge waves through a coaxial waveguide containing an annular plasma in an axial magnetic field is investigated. Both plasma and cyclotron types of waves are analyzed in the electrostatic approximation. Equations for the determination of the dispersion relations are derived from the Poisson equation and the electron continuity and momentum transfer equations. A numerical study of the dispersion curves for azimuthally symmetrical waves is presented. A significant departure from the dispersion characteristics of a cylindrical plasma waveguide are found to occur unless the inner radius of the waveguide is small compared to the outer radius. {copyright} {ital 1998 American Institute of Physics.}
- OSTI ID:
- 565807
- Journal Information:
- Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 1 Vol. 5; ISSN PHPAEN; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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