Discrete breather modes associated with vertical dust grain oscillations in dusty plasma crystals

Yannis Kourakis, P K Shukla

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Accounting for the lattice discreteness and the sheath electric field nonlinearity in dusty plasma crystals, it is demonstrated that highly localized structures (discrete breathers) involving vertical (transverse, off-plane) oscillations of charged dust grains may exist in a dust lattice. These structures correspond to either extremely localized bright breather excitations (pulses) or dark excitations composed of dips/voids. Explicit criteria for selecting different breather modes are presented. (C) 2005 American Institute of Physics.
Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalPhysics of Plasmas
Volume12
Issue number1
DOIs
Publication statusPublished - 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics

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