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Pis'ma v Zh. Èksper. Teoret. Fiz., 2003, Volume 77, Issue 12, Pages 778–783 (Mi jetpl2840)  

Trapping of plasmons in ion holes

P. K. Shukla, B. Eliasson

Institut für Theoretische Physik IV, Ruhr-Universität Bochum

Abstract: We present analytical and numerical studies of a new electron plasma wave interaction mechanism which reveals trapping of Langmuir waves in ion holes associated with non-isothermal ion distribution functions. This Langmuir-ion hole interaction is a unique kinetic phenomenon, which is governed by two second nonlinear differential equations in which the Langmuir wave electric field and ion hole potential are coupled in a complex fashion. Numerical analyses of our nonlinearly coupled differential equations exhibit trapping of localized Langmuir wave envelops in the ion hole which is either standing or moving with sub- or super ion thermal speed. The resulting ambipolar potential of the ion hole is essentially negative, giving rise to bipolar slow electric fields. The present investigation thus offers a new Langmuir wave contraction scenario that has not been rigorously explored in plasma physics.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2003, 77:12, 647–652

PACS: 52.35.-g, 94.30.Tz
Received: 29.04.2003
Revised: 14.05.2003
Language:

Citation: P. K. Shukla, B. Eliasson, “Trapping of plasmons in ion holes”, Pis'ma v Zh. Èksper. Teoret. Fiz., 77:12 (2003), 778–783; JETP Letters, 77:12 (2003), 647–652

Citation in format AMSBIB
\Bibitem{ShuEli03}
\by P.~K.~Shukla, B.~Eliasson
\paper Trapping of plasmons in ion holes
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2003
\vol 77
\issue 12
\pages 778--783
\mathnet{http://mi.mathnet.ru/jetpl2840}
\transl
\jour JETP Letters
\yr 2003
\vol 77
\issue 12
\pages 647--652
\crossref{https://doi.org/10.1134/1.1604413}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-1242307060}


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