| 强激光引起等离子体参量加热的粒子模拟研究 |
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| 引用本文： | 刘成海,张家泰,张书贵,余淑珍,梁华湘,许林宝. 强激光引起等离子体参量加热的粒子模拟研究[J]. 计算物理, 1985, 2(4): 454-461 |
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| 作者姓名： | 刘成海 张家泰 张书贵 余淑珍 梁华湘 许林宝 |
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| 作者单位： | 1. 原子能研究所;2. 应用物理与计算数学研究所 |
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| 摘 要： | 我们利用一维半粒子云网格法作数值模拟、研究了频率略高于等离子体频率(ω0=1.1ωv)的强激光电场引起的参量加热。结果表明,离子声衰变不稳定性和振荡双流不稳定性同时被激发,非线性饱和呈现出较为细致的结构,等离子体被强烈加热,饱和后Langmuir湍流谱遵从一个典型的幂规律。
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| 收稿时间： | 1984-12-15 |
PARTICLE SIMULATION RESEARCH OF PLASMA PARAMETRIC HEATING CAUSED BY STRONG LASER |
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| Liu Cheng-hai,Zhang Jia-tai,Zhang Shu-guiYu,Shu-Zhen,Liang Hua-xiang,Xu Lin-bao. PARTICLE SIMULATION RESEARCH OF PLASMA PARAMETRIC HEATING CAUSED BY STRONG LASER[J]. Chinese Journal of Computational Physics, 1985, 2(4): 454-461 |
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| Authors: | Liu Cheng-hai Zhang Jia-tai Zhang Shu-guiYu Shu-Zhen Liang Hua-xiang Xu Lin-bao |
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| Affiliation: | 1. Institute of Applied physics and Computational Mathematics, Beijing;2. Institute of Atomic Energy |
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| Abstract: | We have studied parametric heating caused by electric field of strong laser with frequence which is a little higher than plasma frequence(w0=1.1Wp)by use one and half dimensional CIC scheme. Results shown that both the ion-acoustic instabilities and the oscillation two-stream instabilities are stimulated together, nonlinear saturation show some fine structures, plasma is heated strongly and tur-blent spectra after saturetion fllows a typical power law. |
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