PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Effect of multicomponent dust grains in a cold quantum dusty plasma |
Yang Xiu-Feng(杨秀峰)a), Wang Shan-Jin(王善进)b), Chen Jian-Min(陈建敏)c), Shi Yu-Ren(石玉仁)a), Lin Mai-Mai(林麦麦)a), and Duan Wen-Shan(段文山)a)† |
a. College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;
b. School of Electronic Engineering, Dongguan University of Technology, Dongguan 523106, China;
c. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000, China |
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Abstract By employing the quantum hydrodynamic model for electron--ion--dust plasma, we derive a dispersion relation of the quantum dusty plasma. The effects of the dust size distribution on the dispersion relation in a cold quantum dusty plasma are studied. Both analytical and numerical results are given to compare the differences between the dusty plasma by considering the dust size distribution and the mono-sized dusty plasma. It is shown that many system parameters can significantly influence the dispersion relation of the quantum dusty plasma.
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Received: 11 May 2011
Revised: 27 April 2012
Accepted manuscript online:
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PACS:
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52.27.-h
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(Basic studies of specific kinds of plasmas)
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52.27.Lw
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(Dusty or complex plasmas; plasma crystals)
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11.55.Fv
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(Dispersion relations)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10875098) and the Natural Science Foundation of Northwest Normal University, China (Grant Nos. NWNU-KJCXGC-03-48 and NWNU-KJCXGC-03-17). |
Cite this article:
Yang Xiu-Feng(杨秀峰), Wang Shan-Jin(王善进), Chen Jian-Min(陈建敏), Shi Yu-Ren(石玉仁), Lin Mai-Mai(林麦麦), and Duan Wen-Shan(段文山) Effect of multicomponent dust grains in a cold quantum dusty plasma 2012 Chin. Phys. B 21 055202
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