| Effects of Beam Energy Spread on the Weibel Instability in Fast Ignitor Scenarios |
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| 作者姓名： | 蔡洪波 朱少平 郑春阳 贺贤土 李纪伟 |
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| 作者单位： | [1]Graduate School, China Academy of Engineering Physics, PO Box 2101, Beijing 100088 [2]Institute of Applied Physics and Computational Mathematics, PO Box 8009, Beijing 100088 [3]Department of Physics, Zhejiang University, Hangzhou 310027 |
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| 基金项目： | Supported in part by the National Hi-Tech Inertial Confinement Fusion （ICF） Committee of China, National Science Foundation of China （NSFC） Grant Nos. 10135010, 10335020, and 10375011, the Special Funds for Major State Basic Research Projects of China, and Science Foundation of CAEP. |
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| 摘 要： |
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| 关 键 词： | 能量扩展度 不稳定性 横向温度分配 等离子体 电子束 |
| 收稿时间： | 2005-07-07 |
| 修稿时间： | 2005-07-07 |
Effects of Beam Energy Spread on the Weibel Instability in Fast Ignitor Scenarios |
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| CAI Hong-Bo, ZHU Shao-Ping, ZHENG Chun-Yang, HE Xian-Tu, LI Ji-Wei.Effects of Beam Energy Spread on the Weibel Instability in Fast Ignitor Scenarios[J].Chinese Physics Letters,2006,23(1):161-164. |
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| Authors: | CAI Hong-Bo ZHU Shao-Ping ZHENG Chun-Yang HE Xian-Tu LI Ji-Wei |
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| Abstract: | The effects of transverse temperature distribution on the Weibel instability in a laser produced plasma are studied analytically by using a three dimensional waterbag model. It is found that the purely transverse Weibel instability can be stabilized for the case in which the electron beam has a more symmetric transverse temperature distribution. This analytical expectation is supported by our two dimensional particle-in-cell simulations. |
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