Solitary potentials in dusty plasma

AA Mamun, Robert Alan Cairns, PK Shukla

Research output: Contribution to journalArticlepeer-review

326 Citations (Scopus)


It is found that a dusty plasma with inertial dust fluid and Boltzmann distributed ions admits only negative solitary potentials associated with nonlinear dust-acoustic waves. The dynamics of small-amplitude disturbances is governed by the Korteweg-de Vries, (KdV) equation, the stationary solution of which assumes the inverted bell-shaped secant hyperbolic squared profile. The associated dust and ion density perturbations are, on the other hand, positive. The solitary potentials can be identified as nonlinear structures in low-temperature dusty plasmas such as those in laboratory and astrophysical environments. (C) 1996 American Institute of Physics.

Original languageEnglish
Pages (from-to)702-704
Number of pages3
JournalPhysics of Plasmas
Issue number2
Publication statusPublished - Feb 1996




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