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Dispersion relation for azimuthal electromagnetic surface waves on a magnetized annular plasma in a metal waveguide with coaxial anisotropic dielectric inner coating

Published online by Cambridge University Press:  01 December 2007

S. DARYANOOSH  and
H. MEHDIAN
S. DARYANOOSH
Affiliation:
Physics Department, Tarbiat Moallem University, Tehran, Iran (s_daryanoosh@tmu.ac.ir, mehdian@saba.tmu.ac.ir)
H. MEHDIAN
Affiliation:
Physics Department, Tarbiat Moallem University, Tehran, Iran (s_daryanoosh@tmu.ac.ir, mehdian@saba.tmu.ac.ir)
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Abstract

The dispersion relation of azimuthal electromagnetic surface waves on a magnetized annular plasma surrounded by a metallic cylindrical coaxial anisotropic dielectric lined waveguide is obtained. The thickness of the dielectric and its location in the waveguide are studied with respect to their effects on the number of spectra observed. The graphs of frequency spectra against the ratio of radii of the annular plasma and η = ωpe/Ωe are plotted. Finally, surface E-modes for coaxial anisotropic and isotropic dielectrics have been investigated.

Type
Papers
Information
Journal of Plasma Physics , Volume 73 , Issue 6 , December 2007 , pp. 839 - 855
Copyright
Copyright © Cambridge University Press 2007

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