An alternate approach to study electrostatic solitary waves in homogeneous and inhomogeneous quantum magnetoplasmas

作者：Masood W^*

来源：Physics of Plasmas, 2010, 17(5): 052312.

DOI：10.1063/1.3422548

• plasma drift waves
• plasma electrostatic waves
• plasma ion acoustic waves
• plasma magnetohydrodynamics
• plasma shock waves
• plasma simulation

Ion acoustic drift solitary wave is studied in both linear and nonlinear regimes in an electron-ion quantum magnetoplasma. It is shown that using the linear dispersion relation, nonlinear Zakharov-Kuznetsov (ZK) equation can be derived in an inhomogeneous quantum magnetoplasma for ion acoustic drift solitary wave in a certain parametric range. The solution of the ZK equation is also presented using the tangent hyperbolic method. It is found that the quantum Bohm potential (via increasing number density), angle of propagation, and the magnetic field affect the propagation characteristics of the nonlinear quantum ion acoustic drift wave. The results presented in this paper may be beneficial to understand the formation of electrostatic drift solitary waves in dense magnetized plasmas.

• 出版日期2010-5