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Fine structure of density ducts formed by active radiofrequency action on laboratory and space plasmas

Abstract : The results of active ionospheric and model laboratory experiments on the generation of artificial irregularities of a magnetized plasma (density ducts), which can be used as waveguide channels for low-frequency waves, have been reported. It has been found that ducts formed at the localized high-frequency heating of the plasma have a fine structure under certain conditions: they include irregularities of the plasma density, which significantly affect the propagation of low-frequency waves, ensuring the deep amplitude modulation of low-frequency radiation and changing its spatial structure. A mechanism of the formation of such irregularities has been proposed.
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Submitted on : Wednesday, May 5, 2021 - 9:40:23 AM
Last modification on : Tuesday, October 19, 2021 - 7:01:16 PM

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V. Frolov, V. Rapoport, E. Shorokhova, N. Aidakina, M. Gushchin, et al.. Fine structure of density ducts formed by active radiofrequency action on laboratory and space plasmas. JETP Letters, Springer Verlag, 2015, 101 (5), pp.313-317. ⟨10.1134/S0021364015050094⟩. ⟨insu-03217746⟩

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