Abstract:Pulsed radiation from a ring electric current placed coaxially in a cylindrical enhanced-density duct surrounded by a uniform cold magnetoplasma is studied. An expression for the radiated energy is derived and its distribution over the spatial and frequency spectra of the excited waves is analyzed. Numerical results referring to the case where the frequency spectrum of the current is concentrated in the whistler range are discussed. It is found that in the resonant part of the whistler range, the slightly leak… Show more
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