| 离子通道的形成机理与动态特性分析 |
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| 引用本文： | 谢鸿全,景义林.离子通道的形成机理与动态特性分析[J].河南师范大学学报(自然科学版),2006,34(3):55-57. |
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| 作者姓名： | 谢鸿全 景义林 |
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| 作者单位： | 1. 西南科技大学,理学院,四川,绵阳,621010
2. 安阳师范学院,物理系,河南,安阳,455000 |
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| 基金项目： | 中国科学院资助项目
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四川省教育厅资助项目 |
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| 摘 要： | 研究了离子通道的产生背景及物理机制,利用电磁场理论导出了离子通道的聚束条件和通道半径所满足的方程,并对各区域的相对介电常数作了分析.同时,针对离子通道的动态特性,对所导出的电子振荡运动方程作了定性的讨论.
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| 关 键 词： | 离子通道 聚束条件 通道半径 相对介电常数 |
| 文章编号： | 1000-2367(2006)03-0055-03 |
| 收稿时间： | 2005-11-28 |
| 修稿时间： | 2005年11月28 |
Analyze on the Dynamic Characteristics and Forming Mechanism of Ion Channel |
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| XIE Hong-quan,JING Yi-lin.Analyze on the Dynamic Characteristics and Forming Mechanism of Ion Channel[J].Journal of Henan Normal University(Natural Science),2006,34(3):55-57. |
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| Authors: | XIE Hong-quan JING Yi-lin |
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| Institution: | 1. School of Science, Southwest University of Science and Technology, Mianyang 621010,China; 2. Physics Department, Anyang Teachers College, Anyang 455000,China |
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| Abstract: | A relativistic electron beam transmitting in a cold and uniform plasma column is studied. The research background and the physical regime of ion channel is presented. By means of the electromagnetic field theory, the condition of the electron beam focusing and the equation of the ion channel radius are derived. The relative dielectric constants in each region are analyzed. In addition, the ion channel in motion is analyzed and the equation of motion to an oscillatory electron is derived. Some discussions are given on the basis of the equation. |
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| Keywords: | ion channel condition of electron beam focusing ion channel radius relative dielectric constant |
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