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Coherent Structures of Dust-Drift Waves in a Dusty Plasma |
| CHEN Yin-Hua;LU Wei;WANG Ge |
| Department of Modern Physics, University of Science and Technology of China, Hefei 230027
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| Cite this article: |
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CHEN Yin-Hua, LU Wei, WANG Ge 2001 Chin. Phys. Lett. 18 933-935 |
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Abstract A new type of very low-frequency electrostatic wave in a dusty plasma, called the dust-drift waves, has been investigated with the three-component fluid model. The dispersion of the waves depends strongly on the dust grain content in plasma. Due to their nonlinear interaction, the dust-drift waves can form two-dimensional dip-hump and multi-peak localized structures. The amplitudes of those structures decrease with the increasing dust content.
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| Keywords:
52.35.Sb
52.25.Vy
52.35.Dm
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Published: 01 July 2001
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