Electrostatic solitary structures in a four-component adiabatic dusty plasma

Details Electrostatic solitary structures in a four-component adiabatic dusty plasma Electrostatic solitary structures in a four-component adiabatic dusty plasma

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.337..261t&link_type=abstract

Astrophysics and Space Science, Volume 337, Issue 1, pp.261-267

Astronomy and Astrophysics

Astrophysics

Dusty Plasma, Four Component Dusty Plasma, Adiabatic Dusty Plasma, The Solitary Waves, Reductive Perturbation Method

Scientific paper

A theoretical investigation has been made of propagating electrostatic waves in a four-component adiabatic dusty plasma, whose constituents are adiabatic electrons, adiabatic ions, adiabatic positively and as well as negatively charged warm dust. The basic features of the solitary structures in such a four-component adiabatic dusty plasma are studied by the reductive perturbation method. It is found that the presence of the positive dust component does not only significantly modify the basic properties of the solitary waves, but also causes the existence of the positive solitary potential structures, which is an interesting feature shown in an adiabatic dusty plasma with the dust of opposite polarity. It is also observed that the basic properties (polarity, speed, amplitude and width) of the DA SWs are significantly modified by the effects of adiabaticity ( γ>1) of electrons, ions, negatively as well as positively charged warm dust. The present investigation can be of relevance to the electrostatic solitary structures observed in various dusty space plasma environments (viz. cometary tails, upper mesosphere, Jupiter's magnetosphere, etc.).

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