中国物理B ›› 2017, Vol. 26 ›› Issue (6): 65202-065202.doi: 10.1088/1674-1056/26/6/065202
• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇 下一篇
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)
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
摘要: 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.
中图分类号: (Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.))