NDLI: Kelvin-Helmholtz instability in a partially ionized dusty plasma

Content Provider	IEEE Xplore Digital Library
Author	Kumar, N. Kumar, V. Sikka, H. Kumar, A.
Copyright Year	2012
Description	Author affiliation: Department of Mathematics, Maharaja Agrasen Institute of Technology, Delhi, India (Sikka, H.) \|\| Department of Mathematics, M.M.H. College, Ghaziabad-201009, Uttar Pradesh, India (Kumar, N.; Kumar, V.) \|\| Department of Applied Sciences, Vishveshwarya Institute of Engineering and Technology, G. B.Nagar-203207, India (Kumar, A.)
Abstract	Summary form only given. We investigate the linear theory of Kelvin-Helmholtz instability in partially ionized dusty plasma consisting of positive ions, electrons, dust grains and neutral gas molecules. The neutral gas is taken to be at rest. The dust grains are so heavy that they do not participate in plasma motion and therefore we do not consider the collisions of dust grains with neutral gas molecules. The equilibrium electric field E is taken along the z-axis. The density distribution of the unperturbed state of ion is taken to be of the type n+(x) = n+ $e^{λx}$ with n+ = constants. The ions flow along the magnetic field B. We derive a dispersion relation and solve it numerically to study K-H unstable modes. The variation of growth rate as a function of various parameters has been shown graphically. It is observed that growth rate increases with εZ and flow parameter, while the growth rate decreases with the increase in collisional frequency ratio parameter. The results of our problem might be useful in astrophysical plasmas such as galactic radio jets, dusty plasma environment of noctilucent clouds, cometary environments and superwinds of primeval galaxies in the intergalactic medium, and laboratory plasmas.
File Size	151587
File Format	PDF
ISBN	9781457721274
ISSN	07309244
e-ISBN	9781457721298
e-ISBN	9781457721281
DOI	10.1109/PLASMA.2012.6383792
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-08
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dusty plasma Mathematics Ions Educational institutions Electric fields Magnetic fields
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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