Dust-acoustic shock waves due to strong correlation among arbitrarily charged dust

A. A. Mamun, R. A. Cairns

Research output: Contribution to journalArticlepeer-review

90 Citations (Scopus)

Abstract

The nonlinear propagation of the dust-acoustic (DA) waves in a strongly coupled dusty plasma containing strongly correlated arbitrarily (positively or negatively) charged dust and weakly correlated Boltzmann electrons and ions has been investigated by employing the generalized hydrodynamic model and the reductive perturbation method. It has been shown that the strong correlation among the charged dust is a source of dissipation and is responsible for the formation of the DA shock waves in such a strongly coupled dusty plasma. It has also been found that the DA shock waves with positive (negative) potential are formed for positively (negatively) charged dust. The basic features of such DA shock waves have been identified. It has been suggested that a laboratory experiment be performed to test the theory presented here.

Original languageEnglish
Article number055401
Number of pages4
JournalPhysical Review. E, Statistical, nonlinear, and soft matter physics
Volume79
Issue number5
DOIs
Publication statusPublished - May 2009

Keywords

  • Boltzmann equation
  • dusty plasmas
  • hydrodynamics
  • perturbation theory
  • plasma nonlinear waves
  • plasma shock waves
  • plasma transport processes
  • LOW-FREQUENCY MODES
  • PLASMA CRYSTAL
  • COULOMB CRYSTALLIZATION
  • PHASE-TRANSITIONS
  • PARTICLES
  • DYNAMICS
  • SOLITARY
  • SPACE
  • STATE

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