| 含有双温非热离子的尘埃等离子体中的非线性尘埃声孤波 |
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| 引用本文： | 周志坚,王红艳,张开彪. 含有双温非热离子的尘埃等离子体中的非线性尘埃声孤波[J]. 安徽大学学报(自然科学版), 2009, 33(4) |
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| 作者姓名： | 周志坚 王红艳 张开彪 |
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| 作者单位： | 四川理工学院,物理系,四川,自贡,643000 |
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| 基金项目： | 四川省教育厅(重点)科研基金资助项目(08ZA161);;四川理工学院理学院自然科学基金资助项目(07ZR46) |
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| 摘 要： | 使用约化摄动法得到了含有双温非热离子的尘埃等离子体中的KdV方程.结果表明,双温满足非热分布的离子会严重影响着尘埃声孤波的结构,而且,该体系中稀疏形孤波与压缩形孤波共存.
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| 关 键 词： | KdV方程 尘埃声孤波 双温非热离子 |
The nonlinear dust-acoustic solitary waves in dusty plasma with two-temperature nonthermal ions |
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| ZHOU Zhi-jian,WANG Hong-yan,ZHANG Kai-biao. The nonlinear dust-acoustic solitary waves in dusty plasma with two-temperature nonthermal ions[J]. Journal of Anhui University(Natural Sciences), 2009, 33(4) |
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| Authors: | ZHOU Zhi-jian WANG Hong-yan ZHANG Kai-biao |
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| Affiliation: | Department of Physics;Sichuan University of Science and Engineering;Zigong 643000;China |
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| Abstract: | By using the reductive perturbation method,we derived a KdV equation which describe the dust-acoustic solitons in a dusty plasma with two-temperature nonthermal distributed ions.It was found that two temperature nonthermal ions could significantly influence the solitons structure.Furthermore,both compressive and rarefactive solitary waves could coexist in this system. |
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| Keywords: | KdV equation dust-acoustic solitons two-temperature nonthermal ions |
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