Bookcover of Multidimensional instabilities of dust-acoustic waves in plasma
Booktitle:

Multidimensional instabilities of dust-acoustic waves in plasma

LAP LAMBERT Academic Publishing (2014-12-15 )

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ISBN-13:

978-3-659-62589-3

ISBN-10:
3659625892
EAN:
9783659625893
Book language:
English
Blurb/Shorttext:
A theoretical investigation has been made on electrostatic perturbations associated with dust-acoustic (DA) solitary waves (SWs) in four-component magnetized dusty plasmas (composed of non-inertial electron and ion fluids, and inertial negatively as well as positively charged dust fluids). The reductive perturbation method has been employed in order to derive the Korteweg-de Vries equation and the Zakharov-Kuznetsov (ZK) equation which admit solitary wave solutions under certain conditions. The ZK equation has been further analyzed to study the multi-dimensional instability of the SWs by the small perturbation expansion technique. The basic features (polarity, amplitude, width, etc.) are found to be significantly modified by the number densities and masses of the opposite polarity dust grain in presence of external magnetic field. The magnitude of the external magnetic field has no direct effect on the amplitude of SWs, but it does have a direct effect on the width. The implications of our results and the underlying physics of the DA SWs, which are relevant to space and laboratory dusty plasmas, are discussed.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Tahmina Akhter
Number of pages:
116
Published on:
2014-12-15
Stock:
Available
Category:
Physics, astronomy
Price:
49.90 €
Keywords:
Solitary waves, opposite polarity dust, multi-dimensional instability

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