Channeling of high-power radio waves under conditions of strong anomalous absorption in the presence of an averaged electron heating source |
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Authors: | V V Vas’kov N A Ryabova |
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Institution: | 1.Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation,Russian Academy of Sciences, IZMIRAN,Troitsk, Moscow oblast,Russia |
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Abstract: | Strong anomalous absorption of a high-power radio wave by small-scale plasma inhomogeneities in the Earth’s ionosphere can
lead to the formation of self-consistent channels (solitons) in which the wave propagates along the magnetic field, but has
a soliton-like intensity distribution across the field. The structure of a cylindrical soliton as a function of the wave intensity
at the soliton axis is analyzed. Averaged density perturbations leading to wave focusing were calculated using the model proposed
earlier by Vas’kov and Gurevich (Geomagn. Aéron. 16, 1112 (1976)), in which an averaged electron heating source was used. It is shown that, under conditions of strong electron
recombination, the radii of individual solitons do not exceed 650 m. |
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