Current Distribution on an Infinite Tubular Antenna in a Cold Collisional Magnetoplasma.
HARVARD UNIV CAMBRIDGE MASS DIV OF ENGINEERING AND APPLIED PHYSICS
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An infinite tubular antenna immersed in an unbounded cold collisional magnetoplasma is treated as a boundary value problem. The d. c. magnetic field is assumed parallel to the antenna. The antenna is driven by a delta function generator at z 0. It is shown that in the presence of collisions, the antenna is thin compared with all the characteristic wavelengths in the medium. An expression is derived for the total axial component of the current on the antenna and numerical solutions are obtained over a wide range of plasma parameters including the refractive index resonance regions of the magnetoionic medium. The effect of collisions on the current distribution along the antenna operating in each of the resonant and non-resonant regions is also studied. Author
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