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Weakly nonlinear effects associated with transverse oscillations in dusty plasma crystals

par Kourakis, Ioannis ;Shukla, Padma Kant
Référence Physica scripta. T, T107, page (243-246)
Publication Publié, 2004

Article révisé par les pairs

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Résumé :

We study the amplitude modulation of transverse dust lattice waves (TDLW) propagating in a single- and double-layer dusty plasma (DP) crystal. It is shown that a modulational instability mechanism, which is related to an intrinsic nonlinearity of the sheath electric field, may occur under certain conditions. Possibility of the formation of localized excitations (envelope solitons) in the dusty plasma crystal is discussed. © Physica Scripta 2004.