Nonlinear modulation of transverse dust lattice waves in complex plasma crystals | Zendy

I. Kourakis | Zendy; P. K. Shukla | Zendy

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Nonlinear modulation of transverse dust lattice waves in complex plasma crystals

Author(s) -

I. Kourakis,

P. K. Shukla

Publication year - 2004

Publication title -

physics of plasmas

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.75

H-Index - 160

eISSN - 1089-7674

pISSN - 1070-664X

DOI - 10.1063/1.1703529

Subject(s) - physics , modulational instability , instability , dusty plasma , plasma , transverse plane , condensed matter physics , nonlinear system , two stream instability , amplitude , electric field , modulation (music) , envelope (radar) , quantum electrodynamics , plasma oscillation , waves in plasmas , lattice (music) , mechanics , optics , quantum mechanics , telecommunications , radar , structural engineering , computer science , acoustics , engineering

The occurrence of the modulational instability (MI) in transverse dustlattice waves propagating in a one-dimensional dusty plasma crystal isinvestigated. The amplitude modulation mechanism, which is related to theintrinsic nonlinearity of the sheath electric field, is shown to destabilizethe carrier wave under certain conditions, possibly leading to the formation oflocalized envelope excitations. Explicit expressions for the instability growthrate and threshold are presented and discussed.Comment: 5 pages, no figures; submitted to Physics of Plasma

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