Solitary waves and double layers in a dusty electronegative plasma

A. A. Mamun, P. K. Shukla, and B. Eliasson
Phys. Rev. E 80, 046406 – Published 27 October 2009

Abstract

A dusty electronegative plasma containing Boltzmann electrons, Boltzmann negative ions, cold mobile positive ions, and negatively charged stationary dust has been considered. The basic features of arbitrary amplitude solitary waves (SWs) and double layers (DLs), which have been found to exist in such a dusty electronegative plasma, have been investigated by the pseudopotential method. The small amplitude limit has also been considered in order to study the small amplitude SWs and DLs analytically. It has been shown that under certain conditions, DLs do not exist, which is in good agreement with the experimental observations of Ghim and Hershkowitz [Y. Ghim (Kim) and N. Hershkowitz, Appl. Phys. Lett. 94, 151503 (2009)].

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  • Received 5 August 2009

DOI:https://doi.org/10.1103/PhysRevE.80.046406

©2009 American Physical Society

Authors & Affiliations

A. A. Mamun*, P. K. Shukla, and B. Eliasson

  • Institut für Theoretische Physik IV, Ruhr-Universität Bochum, D-44780 Bochum, Germany

  • *Permanent address: Department of Physics, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh.
  • Also at Department of Physics, Umeå University, SE-901 87 Umeå, Sweden.

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Issue

Vol. 80, Iss. 4 — October 2009

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