Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma
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相对论电子温度对低密等离子体强激光传播参数不稳定性的影响

DOI:
10.1063/1.4902517
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发表时间:
2014-11
期刊:
影响因子:
2.2
通讯作者:
Sheng Zheng-Ming
Sheng Zheng-Ming
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhao Yao;Zheng Jun;Chen Min;Yu Lu-Le;Weng Su-Ming;Ren Chuang;Liu Chuan-Sheng;Sheng Zheng-Ming

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从理论和数值上研究了相对论电子温度对高强度激光在低密度等离子体中传输的受激拉曼散射和受激布里渊散射不稳定性的影响。这些不稳定性的色散关系是从相对论流体方程导出的。在较宽的激光强度和电子温度范围内,发现在相对论电子温度下,k空间的最大生长速率和不稳定区域可以减小。并进行了细胞内粒子模拟,验证了理论分析。
Effects of relativistic electron temperature on stimulated Raman scattering and stimulated Brillouin scattering instabilities for high intensity lasers propagating in underdense plasma are studied theoretically and numerically. The dispersion relations for these instabilities are derived from the relativistic fluid equation. For a wide range of laser intensity and electron temperature, it is found that the maximum growth rate and the instability region in k-space can be reduced at relativistic electron temperature. Particle-in-cell simulations are carried out, which confirm the theoretical analysis.
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发表时间: 2001-04
期刊: Physics of Plasmas
影响因子: 2.2
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期刊: PMLA/Publications of the Modern Language Association of America
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DOI: 10.1063/1.4861339
发表时间: 2014-01
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影响因子: 2.2
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