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Jeans-Alfvén instability in quantum dusty magnetoplasmas

Published online by Cambridge University Press:  20 February 2017

M. Jamil ,
A. Rasheed ,
M. Amir ,
G. Abbas  and
Young-Dae Jung
M. Jamil*
Affiliation:
Department of Physics, COMSATS Institute of Information Technology, Lahore-54000, Pakistan
A. Rasheed
Affiliation:
Department of Physics, Govt. College University, Faisalabad-38000, Pakistan
M. Amir
Affiliation:
Department of Physics, COMSATS Institute of Information Technology, Lahore-54000, Pakistan
G. Abbas
Affiliation:
Department of Physics, GC University, Lahore-54000, Pakistan
Young-Dae Jung
Affiliation:
Department of Applied Physics and Department of Bionanotechnology, Hanyang University, Ansan, Kyunggi-Do 15588, South Korea Department of Electrical and Computer Engineering, MC 0407, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0407, USA
*
†Email address for correspondence: jamil.gcu@gmail.com
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Abstract

The Jeans instability is examined in quantum dusty magnetoplasmas due to low-frequency magnetosonic perturbations. The fluid model consisting of the momentum balance equation for quantum plasmas, Poisson’s equation for the gravitational potential and Maxwell’s equations for electromagnetic magnetosonic perturbations is solved. The numerical analysis elaborates the significant contribution of magnetic field, electron number density and variable dust mass to the Jeans instability.

Keywords

astrophysical plasmasdusty plasmasmagnetized plasmas
Type
Research Article
Information
Journal of Plasma Physics , Volume 83 , Issue 1 , February 2017 , 905830106
Copyright
© Cambridge University Press 2017 

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