| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Drift vortices in inhomogeneous collisional dusty magnetoplasma |
| Jian-Rong Yang(杨建荣)1, Kui Lv(吕岿)1, Lei Xu(许磊)1, Jie-Jian Mao(毛杰键)1, Xi-Zhong Liu(刘希忠)2, Ping Liu(刘萍)3 |
1 School of Physics and Electronic Information, Shangrao Normal University, Shangrao 334001, China;
2 Institute of Nonlinear Science, Shaoxing University, Shaoxing 312000, China;
3 College of Electron and Information Engineering, University of Electronic Science and Technology of China Zhongshan Institute, Zhongshan 528402, China |
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Abstract For the sake of investigating the drift coherent vortex structure in an inhomogeneous dense dusty magnetoplasma, using the quantum hydrodynamic model a nonlinear controlling equation is deduced when the collision effect is considered. New vortex solutions of the electrostatic potential are obtained by a special transformation method, and three evolutive cases of monopolar vortex chains with spatial and temporal distribution are analyzed by representative parameters. It is found that the collision frequency, particle density, drift velocity, dust charge number, electron Fermi wavelength, quantum correction, and quantum parameter are all influencing factors of the vortex evolution. Compared to the uniform dusty system, the vortex solutions of the inhomogeneous system present richer spatial evolution and physical meaning. These results may explain corresponding vortex phenomena and support beneficial references for the dense dusty plasma atmosphere.
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Received: 19 December 2016
Revised: 11 March 2017
Accepted manuscript online:
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PACS:
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52.35.Mw
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(Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.))
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52.27.Lw
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(Dusty or complex plasmas; plasma crystals)
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52.25.Xz
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(Magnetized plasmas)
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52.35.Fp
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(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11365017, 11465015, 11405110, 11305031, and 11404214) and the Technology Landing Project of the Education Department of Jiangxi Province of China (Grant No. KJLD13086). |
Corresponding Authors:
Jian-Rong Yang
E-mail: sryangjr@163.com
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Cite this article:
Jian-Rong Yang(杨建荣), Kui Lv(吕岿), Lei Xu(许磊), Jie-Jian Mao(毛杰键), Xi-Zhong Liu(刘希忠), Ping Liu(刘萍) Drift vortices in inhomogeneous collisional dusty magnetoplasma 2017 Chin. Phys. B 26 065202
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