Transverse Propagation of Waveguide Modes Cylindrically Stratified Magnetoplasma

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Abstract
An exact solution is given for the problem of a magnetic line source in the presence of an isotropic conducting cylinder which is surrounded by a concentric stratified plasma. The d‐c magnetic field is alined with the cylindrical axis. The harmonic series representation is transformed to a more highly convergent form which facilitates computation for large cylinder radii. In this case, the field is expressed as a sum of modes which propagate around the cylinder in opposing directions. The presence of the d‐c magnetic field destroys the usual azimuthal symmetry in problems of this type. It is indicated that the situation is somewhat analogous to the propagation of radio waves in a spherical earth‐ionosphere system.

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