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Relativistic Magnetosonic Soliton in a Negative-Ion-Rich Magnetized Plasma |
| WANG Yun-Liang1, ZHOU Zhong-Xiang2, LU Yan-Zhen1, NI Xiao-Dong1, SHEN Jiang1, ZHANG Yu1 |
| 1Department of Physics, School of Applied Science, University of Science and Technology Beijing, Beijing 1000832Department of Physics, Harbin Institute of Technology, Harbin 150001 |
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| Cite this article: |
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WANG Yun-Liang, ZHOU Zhong-Xiang, LU Yan-Zhen et al 2008 Chin. Phys. Lett. 25 2930-2933 |
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Abstract Two-dimensional (2D) relativistic magnetosonic solitons in the negative-ion-rich plasma consisting of positive ions Ar+, negative ions SF6- and electrons are investigated in the presence of an applied magnetic field B0 and can be described by a Kadomtsev--Petviashvili (KP) equation in the weakly relativistic limit. The ratio of positive ion density to negative ion density has a marked influence on the amplitude Φm and width W of the steady-state KP soliton. The interaction law of the nontrivial solitons with rich web structure is studied by the Wronskian determinant method.
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| Keywords:
52.35.Sb
52.35.Mw
52.30.Ex
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Received: 17 January 2008
Published: 25 July 2008
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| PACS: |
52.35.Sb
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(Solitons; BGK modes)
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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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52.30.Ex
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(Two-fluid and multi-fluid plasmas)
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