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On the Theory of Beam-Plasma Instability in the Nonstationary Plasma

  • Radio Phenomena in Solids and Plasma
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Abstract

The beam instability in the plasma with density slowly varying with time has been investigated using the potential approximation. It has been shown that a frequency shift occurs in the amplified signal propagating in such an electrodynamic system; analytical relations for determining the value of this shift have been obtained. It is demonstrated that the frequency is shifted most strongly as the plasma density decreases, when the Langmuir frequency of plasma electrons approaches the signal frequency and the instability increment increases with time.

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Authors and Affiliations

  1. Moscow State University, Faculty of Physics, Moscow, 119991, Russia

    I. N. Kartashov & M. V. Kuzelev

Authors
  1. I. N. Kartashov
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  2. M. V. Kuzelev
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Correspondence to I. N. Kartashov.

Additional information

Original Russian Text © I.N. Kartashov, M.V. Kuzelev, 2018, published in Radiotekhnika i Elektronika, 2018, Vol. 63, No. 8, pp. 852–857.

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Kartashov, I.N., Kuzelev, M.V. On the Theory of Beam-Plasma Instability in the Nonstationary Plasma. J. Commun. Technol. Electron. 63, 922–927 (2018). https://doi.org/10.1134/S1064226918080089

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  • DOI: https://doi.org/10.1134/S1064226918080089

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