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Dust shear Alfvén solitary structures in an opposite polarity dust medium

Published online by Cambridge University Press:  18 October 2013

A. A. MAMUN
A. A. MAMUN*
Affiliation:
Department of Physics, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh (mamun_phys@yahoo.co.uk)
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Abstract

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The basic features of dust shear Alfvén (DSA) solitary structures formed in an opposite polarity dust medium (containing positively and negatively charged dust fluids) have been investigated by using the reductive perturbation method. The derivative nonlinear Shrödinger equation and its stationary solitary wave solution are obtained for this investigation. It is shown that the opposite polarity dust medium under consideration supports the compressive DSA solitary structures having new features with new time and length scales. The implications of our results in space environments and laboratory devices are briefly discussed.

Type
Papers
Information
Journal of Plasma Physics , Volume 79 , Special Issue 6: Special issue in memory of Professor Padma Kant Shukla 1950-2013 , December 2013 , pp. 1045 - 1048
Copyright
Copyright © Cambridge University Press 2013 

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