Laser triggered Coulomb explosion of nanoscale symmetric targets

Laser triggered Coulomb explosion of nanoscale symmetric targets
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激光触发纳米级对称目标的库仑爆炸

DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
W. Rozmus
W. Rozmus
中科院分区：
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文献类型：
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作者：
V. Kovalev;K. Popov;V. Bychenkov;W. Rozmus

文献摘要

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找到了平面（薄箔）、圆柱形（纳米线/纳米管）和球形（纳米球/壳）纳米结构库仑爆炸的近似动力学解。导出了加速离子的分布函数、平均速度、密度分布和能谱。所提出的动力学模型描述了库仑爆炸过程中多重流动的物理特性。数值模拟结果与分析结果吻合较好。
Approximate kinetic solutions are found for Coulomb explosions of nanostructures in plane (thin foils), cylindrical (nanowires/tubes) and spherical (nanospheres/shells) geometries. The distribution function, mean velocity, density distribution, as well as the energy spectra for accelerated ions are derived. The proposed kinetic model describes physics of multiple flows that occur during Coulomb explosion. Comparison with particle-in-cell numerical simulations shows good agreement with analytical results.