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Study on stability and growth rate of the dust acoustic waves in vortex-like ion distribution

Published online by Cambridge University Press:  06 January 2012

SHAO-SHAN ZHENG  and
YAN CHEN
SHAO-SHAN ZHENG
Affiliation:
School of Physics and Electromechanical Engineering, Hexi University, Zhangye 734000, China (chyanjp@gmail.com; hxzss@126.com)
YAN CHEN
Affiliation:
School of Physics and Electromechanical Engineering, Hexi University, Zhangye 734000, China (chyanjp@gmail.com; hxzss@126.com)
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Abstract

For vortex-like ion distribution dusty plasmas, the modified KP equation is obtained by using the traditional perturbation method. The growth rate of a solitary wave solution for a higher order disturbance propagating in an arbitrary direction is obtained. We find that the solitary wave is stable under higher order disturbance in this system. However, the growth rate is different with different propagating direction.

Type
Papers
Information
Journal of Plasma Physics , Volume 78 , Issue 2 , April 2012 , pp. 203 - 205
Copyright
Copyright © Cambridge University Press 2012

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