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Head-on collision of dust magnetoacoustic solitary waves in magnetized plasmas

Published online by Cambridge University Press:  13 December 2013

Shi-Sen Ruan  and
Zhong-Ming Li
Shi-Sen Ruan*
Affiliation:
School of Electronics and Information Engineering, Hubei University of Science and Technology, Xianning 437100, China
Zhong-Ming Li
Affiliation:
School of Electronics and Information Engineering, Hubei University of Science and Technology, Xianning 437100, China
*
†Email address for correspondence: [email protected]
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Abstract

The head-on collision of dust magnetoacoustic solitary waves (DMASWs) is studied in magnetized electron–ion–dust plasma. The extended Poincaré–Lighthill–Kuo perturbation method is used to derive the Korteweg de Vries equations for DMASWs in this three-component plasma. The effects of the magnetic field intensity B0, the number of electrons residing on dust surface Zd, the ratio of electron to dust number density δ, the ratio of electron to ion temperature σ, and the ratio of dust acoustic velocity to dust Alfvén velocity β on the phase shift are investigated. It is found that these parameters can significantly influence the phase shifts of colliding DMASWs. The present investigation may be beneficial to understand the interaction between two DMASWs that may occur in plasma with dust impurities situations.

Type
Papers
Information
Journal of Plasma Physics , Volume 80 , Issue 2 , April 2014 , pp. 235 - 245
Copyright
Copyright © Cambridge University Press 2013 

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