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Whistler channeling in ducts with enhanced density in a magnetoactive plasma

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Abstract

We study the guided propagation of whistler waves along the density ducts created in a magnetoactive plasma under thermal nonlinear conditions. It is found that the thermal diffusion-driven redistribution of plasma due to electron heating in the quasistatic field of a current loop of fairly large radius leads to the formation of a duct with enhanced density. Based on experimental data and theoretical calculations, it is shown that such a duct can sustain the weakly decaying whistler modes excited by a magnetic-type antenna immersed in it.

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Authors
  1. T. M. Zaboronkova
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  2. A. V. Kostrov
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  3. A. V. Kudrin
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  4. A. A. Shaikin
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Additional information

Radiophysical Research Institute, Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 41, No. 3, pp. 384–394, March, 1998.

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Zaboronkova, T.M., Kostrov, A.V., Kudrin, A.V. et al. Whistler channeling in ducts with enhanced density in a magnetoactive plasma. Radiophys Quantum Electron 41, 254–260 (1998). https://doi.org/10.1007/BF02676541

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  • DOI: https://doi.org/10.1007/BF02676541

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