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Dual-mode resonant instabilities of the surface dust-acoustic wave in a Lorentzian plasma slab

Title
Dual-mode resonant instabilities of the surface dust-acoustic wave in a Lorentzian plasma slab
Author
정영대
Keywords
MAGNETIZED PLASMAS; KINETIC-THEORY; GRAINS; CHARGE; FIELD; BEAM
Issue Date
2015-08
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v. 22, NO 8, Page. 1051-1055
Abstract
The dual-mode resonant instabilities of the dust-acoustic surface wave propagating at the plasma-vacuum interfaces of the generalized Lorentzian dusty plasma slab are kinetically investigated. The dispersion relation is derived for the two propagation modes: symmetric and anti-symmetric waves. We have found that the temporal growth rate of the resonant instability increases with an increase of the slab thickness for both modes. Especially, the nonthermality of plasmas enhances the growth rate of the anti-symmetric resonant wave, and the nonthermal effect is enhanced as the slab thickness is increased. It is also found that the growth rate increases with increasing angular frequency of the rotating dust grain due to the enhanced resonant energy exchange. (C) 2015 AIP Publishing LLC.
URI
http://aip.scitation.org/doi/abs/10.1063/1.4928099http://hdl.handle.net/20.500.11754/26960
ISSN
1070-664X; 1089-7674
DOI
10.1063/1.4928099
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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