在静止磁化均匀等离子体中形成超临界无碰撞激波的高功率激光实验
等离子体物理
2022-02-15 v2 高能天体物理现象
天体物理仪器与方法
摘要
我们提出一种生成准垂直超临界磁化无碰撞激波的新实验方法。在我们的实验中，环境氮（N）等离子体静止、良好磁化且质量密度均匀。该等离子体受激光驱动烧蚀铝（Al）等离子体推动。条纹光学高温测量和空间分辨激光集体汤姆逊散射厘清了等离子体密度与温度的结构，并与一维粒子网格（particle-in-cell）模拟进行比较。结果表明，就在激光辐照之后，Al 等离子体被自生比ermann电池场磁化，且等离子体拍击入射的 N 等离子体。N 等离子体中受压缩的外场反射 N 离子，导致反向流动的磁化 N 流。即我们辨识出反射 N 离子的边界。此类相互作用的等离子体形成了磁化无碰撞激波。
引用
@article{arxiv.2201.07976,
title = {High-power laser experiment forming a supercritical collisionless shock in a magnetized uniform plasma at rest},
author = {Ryo Yamazaki and S. Matsukiyo and T. Morita and S. J. Tanaka and T. Umeda and K. Aihara and M. Edamoto and S. Egashira and R. Hatsuyama and T. Higuchi and T. Hihara and Y. Horie and M. Hoshino and A. Ishii and N. Ishizaka and Y. Itadani and T. Izumi and S. Kambayashi and S. Kakuchi and N. Katsuki and R. Kawamura and Y. Kawamura and S. Kisaka and T. Kojima and A. Konuma and R. Kumar and T. Minami and I. Miyata and T. Moritaka and Y. Murakami and K. Nagashima and Y. Nakagawa and T. Nishimoto and Y. Nishioka and Y. Ohira and N. Ohnishi and M. Ota and N. Ozaki and T. Sano and K. Sakai and S. Sei and J. Shiota and Y. Shoji and K. Sugiyama and D. Suzuki and M. Takagi and H. Toda and S. Tomita and S. Tomiya and H. Yoneda and T. Takezaki and K. Tomita and Y. Kuramitsu and Y. Sakawa},
journal= {arXiv preprint arXiv:2201.07976},
year = {2022}
}
备注
17 pages, 12 figures, 1 table. Physical Review E, in press