Surface wave propagation along a current-carrying warm plasma column
- 11 March 1975
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 8 (4) , 383-393
- https://doi.org/10.1088/0022-3727/8/4/010
Abstract
The propagation of high-frequency surface waves along a plasma column was investigated theoretically and experimentally. From the equations of one-fluid hydrodynamics, expressions were obtained in a quasistatic approximation for the dispersion of axially symmetric and dipole modes of high-frequency surface waves, propagating along a current-carrying warm plasma surrounded by dielectric and a vacuum. The detailed experimental investigations of the dispersion and the space damping rate of the surface waves in a neon gas discharge plasma, realized on the basis of the phase shift measurements of the applied and accepted signals and by using a time-space diagram method, was effected at different discharge currents and gas pressures in a wide frequency range and showed very good agreement with the theoretical results.Keywords
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