| 任意纵向磁场中等离子体-腔漂移通道电磁波的解析解 |
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| 引用本文： | 谢文楷,王彬,吴蕾蕾.任意纵向磁场中等离子体-腔漂移通道电磁波的解析解[J].强激光与粒子束,2006,18(8):1327-1331. |
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| 作者姓名： | 谢文楷 王彬 吴蕾蕾 |
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| 作者单位： | 电子科技大学 高能电子学研究所, 成都 610054 |
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| 基金项目： | 国家自然科学基金;国防重点实验室基金 |
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| 摘 要： | 从麦克斯韦方程和双成分等离子体粒子在外部轴向磁场的线性化运动方程出发，推导出了任意纵向磁场中等离子体介电张量和等离子体-腔漂移通道的电磁波的解析解。结果表明在一般情形下，在位于外部均匀纵向磁场的等离子体波导中，不存在分离的轴对称E波和H波。在此基础上进一步得到轴对称波的具体解析式。单波近似下的结果和俄罗斯全俄电技术研究所M.A.Zavjalov等的结果一致。
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| 关 键 词： | 束-等离子体放大器 行波管 耦合腔 电磁波解析解 |
| 文章编号： | 1001-4322(2006)08-1327-05 |
| 收稿时间： | 2006-04-29 |
| 修稿时间： | 2006-06-09 |
Electromagnetic wave accurate expressions in plasma-cavity drift channel in arbitrary axial magnetic field |
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| XIE Wen-kai,WANG Bin,WU Lei-lei.Electromagnetic wave accurate expressions in plasma-cavity drift channel in arbitrary axial magnetic field[J].High Power Laser and Particle Beams,2006,18(8):1327-1331. |
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| Authors: | XIE Wen-kai WANG Bin WU Lei-lei |
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| Institution: | Institute of High Energy Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | The plasma tensor dielectric permittivity and electromagnetic wave accurate expressions in the arbitrary axial magnetic field are obtained from the Maxwell's equations and the double component plasma particle linear movement equations.It is showed that E wave and H wave can't be separated in this kind of plasma wave-guide.The axial-symmetrical solutions for the field components are obtained,which have the same form as that in ref.4] with the single-wave-approximation.The electromagnetic wave accurate expressions are very important for the research of the interaction between the plasma and the electromagnetic wave. |
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| Keywords: | Beam-plasma amplifier Traveling wave tubes Coupled-cavity Electromagnetic wave analytic solution |
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