HIDPL Articles
Permanent URI for this collectionhttps://hdl.handle.net/2104/5505
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Browsing HIDPL Articles by Author "Chen, M."
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Item Nonlinear mode coupling and internal resonance observed in a dusty plasma(New Journal of Physics, 2009-10) Ding, Zhiyue; Qiao, Ke; Ernst, N.; Kong, Jie; Chen, M.; Matthews, L.S.; Hyde, T. W.In this paper, we report the first experimental observation of internal resonance in a dusty plasma, which shows the intrinsic nonlinearities of dust interactions in plasmas. When driving a system of vertically aligned dust particle pairs in the vertical direction, the horizontal motion is found to be excited during onset of internal resonance when the higher-frequency horizontal sloshing mode is nonlinearly coupled to the vertical breathing mode through the 1:2 commensurable relation. A theoretical model of the nonlinear interaction of dust particles in plasma is also provided and the results of the theoretical model are shown to match experimental observations.