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Modulational instabilities of surface plasmons on metallic plasma surfaces with nanoparticles

Published online by Cambridge University Press:  01 June 2008

P. K. SHUKLA  and
L. STENFLO
P. K. SHUKLA
Affiliation:
Faculty of Physics and Astronomy, Ruhr University Bochum, D-44780 Bochum, Germany (ps@tp4.ruhr-uni-bochum.de) Department of Physics, Umeå University, SE-90187 Umeå, Sweden School of Physics, University of KwaZulu-Natal, Durban 4000, South Africa
L. STENFLO
Affiliation:
Department of Physics, Umeå University, SE-90187 Umeå, Sweden Department of Physics (IFM), Linkoping University, Sweden
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Abstract

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The nonlinear coupling between high-frequency surface plasmons (SPs) and low-frequency ion oscillations on metallic plasma surfaces with charged nanoparticles is considered. It is shown that a finite-amplitude SP wave is modulationally unstable against the excitation of non-resonant ion oscillations. The growth rates and thresholds of the modulational instabilities are presented.

Type
Letter to the Editor
Information
Journal of Plasma Physics , Volume 74 , Issue 3 , June 2008 , pp. 287 - 291
Copyright
Copyright © Cambridge University Press 2008

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