| Scattering of light waves by electron electrostatic waves in laser produced plasmas |
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| 作者姓名： | 刘占军 项江 郑春阳 朱少平 曹莉华 贺贤土 王宇钢 |
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| 作者单位： | Center for Applied Physics and Technology, State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;Center for Applied Physics and Technology, State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;Center for Applied Physics and Technology, State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;Center for Applied Physics and Technology, State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China |
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| 基金项目： | Project supported by the National High-Tech ICF Committee of China, the National Natural Science Foundation of China (Grant Nos. 10975023, 10835003, 10935003 and 10974022) and the National Basic Research Program (Grant Nos. 2007CB815101, 2007CB814802 and 2010CB832904). |
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| 摘 要： | The propagation of light waves in an underdense plasma is studied using one-dimensional Vlasov-Maxwell numerical simulation.It is found that the light waves can be scattered by electron plasma waves as well as other heavily and weakly damping electron wave modes,corresponding to stimulated Raman and Brilluoin-like scatterings.The stimulated electron acoustic wave scattering is also observed as a high scattering level.High frequency plasma wave scattering is also observed.These electron electrostatic wave modes are due to a non-thermal electron distribution produced by the wave-particle interactions.The collision effects on stimulated electron acoustic wave and the laser intensity effects on the scattering spectra are also investigated.
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| 关 键 词： | scatterings laser plasma Vlasov simulation |
| 修稿时间： | 1/6/2010 12:00:00 AM |
Scattering of light waves by electron electrostatic waves in laser produced plasmas |
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| Liu Zhan-Jun,Xiang Jiang,Zheng Chun-Yang,Zhu Shao-Ping,Cao Li-Hu,He Xian-Tu and Wang Yu-Gang.Scattering of light waves by electron electrostatic waves in laser produced plasmas[J].Chinese Physics B,2010,19(7):75201-075201. |
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| Authors: | Liu Zhan-Jun Xiang Jiang Zheng Chun-Yang Zhu Shao-Ping Cao Li-Hu He Xian-Tu and Wang Yu-Gang |
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| Affiliation: | Center for Applied Physics and Technology, State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China; Center for Applied Physics and Technology, State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;Institute of Applied Physics and Computational Mathematics, Beijing 100094, China; Institute of Applied Physics and Computational Mathematics, Beijing 100094, China |
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| Abstract: | The propagation of light waves in an underdense plasma is studied using one-dimensional Vlasov—Maxwell numerical simulation. It is found that the light waves can be scattered by electron plasma waves as well as other heavily and weakly damping electron wave modes, corresponding to stimulated Raman and Brilluoin-like scatterings. The stimulated electron acoustic wave scattering is also observed as a high scattering level. High frequency plasma wave scattering is also observed. These electron electrostatic wave modes are due to a non-thermal electron distribution produced by the wave—particle interactions. The collision effects on stimulated electron acoustic wave and the laser intensity effects on the scattering spectra are also investigated. |
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| Keywords: | scatterings laser plasma Vlasov simulation |
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