薄丝圆柱压缩在 100 fs 大熔体表面加热后的尺度效应：材料、直径与激光能量的影响
等离子体物理
2025-07-17 v1
摘要
我们报道了首个基于 100 fs 大熔体表面加热驱动的圆柱压缩 implosion 的系统性实验验证。采用亚微米空间和皮秒时间分辨率的 XFEL 成像技术，结合流体动力学和粒子-in-cell 模拟，我们揭示了回流电流密度随丝线直径、材料特性和入射激光能量的精确依赖关系。我们识别出由于几何效应引起的电子逃逸动力学导致的简单理论预测偏差。这些结果细化并确认了高能密度物理和惯性聚变研究中必不可少的尺度定律。
引用
@article{arxiv.2507.12109,
title = {Scaling of thin wire cylindrical compression after 100 fs Joule surface heating with material, diameter and laser energy},
author = {L. Yang and M. -L. Herbert and C. Bähtz and V. Bouffetier and E. Brambrink and T. Dornheim and N. Fefeu and T. Gawne and S. Göde and J. Hagemann and H. Höeppner and L. G. Huang and O. S. Humphries and T. Kluge and D. Kraus and J. Lütgert and J. -P. Naedler and M. Nakatsutsumi and A. Pelka and T. R. Preston and C. Qu and S. V. Rahul and R. Redmer and M. Rehwald and L. Randolph and J. J. Santos and M. Šmíd and U. Schramm and J. -P. Schwinkendorf and M. Vescovi and U. Zastrau and K. Zeil and A. Laso Garcia and T. Toncian and T. E. Cowan},
journal= {arXiv preprint arXiv:2507.12109},
year = {2025}
}