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Structural and Dynamical Analysis of a Two-Dimensional Dusty Plasma Lattice |
| HUA Jian-Jun1;LIU Yan-Hong1;YE Mao-Fu1;WANG Long1;ZHANG Zhi-He2 |
| 1Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2College of Biomedical Engineering, Capital University of Medical Sciences, Beijing 100054 |
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| Cite this article: |
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HUA Jian-Jun, LIU Yan-Hong, YE Mao-Fu et al 2003 Chin. Phys. Lett. 20 155-157 |
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Abstract A two-dimensional dusty plasma lattice in an rf discharge was observed. The structural and dynamical properties were analysed by computing pair correlation function, static structure factor, bond-orientational correlation function and mean square displacement. The bond-orientational correlation function was found to fit into the law of r0.25, and the mean square displacement experienced “ballistic”, “subdiffusive” and “diffusive” regimes, both of which together with the other parameters indicate that the two dimensional dusty plasma stayed at a state between liquid and solid.
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| Keywords:
82.70.Dd
52.25.Vy
61.16.-d
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Published: 01 January 2003
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