Nonlinearly coupled whistlers and dust-acoustic perturbations in dusty plasmas

P. K. Shukla; M. Mond; I. Kourakis; B. Eliasson

doi:10.1063/1.2142248

Nonlinearly coupled whistlers and dust-acoustic perturbations in dusty plasmas

P. K. Shukla, M. Mond, I. Kourakis, B. Eliasson

Mathematics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The nonlinear interaction between magnetic-field-aligned coherent whistlers and dust-acoustic perturbations (DAPs) in a magnetized dusty plasma is considered. The interaction is governed by a pair of equations consisting of a nonlinear Schrödinger equation for the modulated whistler wave packet and an equation for the nonresonant DAPs in the presence of the ponderomotive force generated by the whistlers. The coupled equations are employed to investigate the occurrence of modulational instability, in addition to the formation of whistler envelope solitons. This investigation is relevant to amplitude modulated electron whistlers in magnetized space dusty plasmas.

Original language	British English
Article number	124502
Pages (from-to)	1-4
Number of pages	4
Journal	Physics of Plasmas
Volume	12
Issue number	12
DOIs	https://doi.org/10.1063/1.2142248
State	Published - 2005

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10.1063/1.2142248

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title = "Nonlinearly coupled whistlers and dust-acoustic perturbations in dusty plasmas",

abstract = "The nonlinear interaction between magnetic-field-aligned coherent whistlers and dust-acoustic perturbations (DAPs) in a magnetized dusty plasma is considered. The interaction is governed by a pair of equations consisting of a nonlinear Schr{\"o}dinger equation for the modulated whistler wave packet and an equation for the nonresonant DAPs in the presence of the ponderomotive force generated by the whistlers. The coupled equations are employed to investigate the occurrence of modulational instability, in addition to the formation of whistler envelope solitons. This investigation is relevant to amplitude modulated electron whistlers in magnetized space dusty plasmas.",

author = "Shukla, {P. K.} and M. Mond and I. Kourakis and B. Eliasson",

note = "Funding Information: Support from the Deutsche Forschungsgemeinschaft through Sonderforschungsbereich (SFB) 591—Universelles Verhalten Gleichgewichtsferner Plasmen: Heizung, Transport und Strukturbildung is gratefully acknowledged.",

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AU - Shukla, P. K.

AU - Mond, M.

AU - Kourakis, I.

AU - Eliasson, B.

N1 - Funding Information: Support from the Deutsche Forschungsgemeinschaft through Sonderforschungsbereich (SFB) 591—Universelles Verhalten Gleichgewichtsferner Plasmen: Heizung, Transport und Strukturbildung is gratefully acknowledged.

PY - 2005

Y1 - 2005

N2 - The nonlinear interaction between magnetic-field-aligned coherent whistlers and dust-acoustic perturbations (DAPs) in a magnetized dusty plasma is considered. The interaction is governed by a pair of equations consisting of a nonlinear Schrödinger equation for the modulated whistler wave packet and an equation for the nonresonant DAPs in the presence of the ponderomotive force generated by the whistlers. The coupled equations are employed to investigate the occurrence of modulational instability, in addition to the formation of whistler envelope solitons. This investigation is relevant to amplitude modulated electron whistlers in magnetized space dusty plasmas.

AB - The nonlinear interaction between magnetic-field-aligned coherent whistlers and dust-acoustic perturbations (DAPs) in a magnetized dusty plasma is considered. The interaction is governed by a pair of equations consisting of a nonlinear Schrödinger equation for the modulated whistler wave packet and an equation for the nonresonant DAPs in the presence of the ponderomotive force generated by the whistlers. The coupled equations are employed to investigate the occurrence of modulational instability, in addition to the formation of whistler envelope solitons. This investigation is relevant to amplitude modulated electron whistlers in magnetized space dusty plasmas.

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ER -

Nonlinearly coupled whistlers and dust-acoustic perturbations in dusty plasmas

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