Solitary waves and double layers in a dusty electronegative plasma

A.A. Mamun, Padma Shukla, Bengt Eliasson

Research output: Contribution to journalArticle

68 Citations (Scopus)

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)].
Original languageEnglish
Article number046406
Number of pages6
JournalPhysical Review E
Volume80
Issue number4
DOIs
Publication statusPublished - 27 Oct 2009

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dusty plasmas
Solitary Waves
Plasma
solitary waves
Ludwig Boltzmann
Pseudopotential
positive ions
negative ions
pseudopotentials
dust
Electron
Arbitrary
electrons

Keywords

  • dusty plasmas
  • electronegative plasmas
  • solitary waves
  • double layers

Cite this

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Solitary waves and double layers in a dusty electronegative plasma. / Mamun, A.A.; Shukla, Padma; Eliasson, Bengt.

In: Physical Review E, Vol. 80, No. 4, 046406, 27.10.2009.

Research output: Contribution to journalArticle

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T1 - Solitary waves and double layers in a dusty electronegative plasma

AU - Mamun, A.A.

AU - Shukla, Padma

AU - Eliasson, Bengt

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AB - 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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KW - electronegative plasmas

KW - solitary waves

KW - double layers

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