高阿尔费尼科马赫数下形成准平行无碰撞冲击的非共振流不稳定性的实验室证据

IF 2.4 3区物理与天体物理 Q1 Mathematics

Physical review. E Pub Date : 2024-09-05 DOI:10.1103/physreve.110.l033201

S. Bolaños, M. J.-E. Manuel, M. Bailly-Grandvaux, A. S. Bogale, D. Caprioli, S. R. Klein, D. Michta, P. Tzeferacos, F. N. Beg

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引用次数: 0

摘要

我们利用激光驱动的超阿尔费尼等离子体流，对流速与环境磁场一致时无碰撞冲击的形成阶段进行了实验研究。随着气流的相互作用，电磁流不稳定性逐渐形成。质子偏转测量法用于可视化这些电磁波动，显示了离子-韦伯不稳定性和非共振不稳定性的发展。混合模拟也显示了非共振不稳定性的增长，并表明它为冲击提供了有效的耗散源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Laboratory evidence of the nonresonant streaming instability in the formation of quasiparallel collisionless shocks at high Alfvénic Mach number

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Laboratory evidence of the nonresonant streaming instability in the formation of quasiparallel collisionless shocks at high Alfvénic Mach number

We present an experimental investigation of the formation stage of a collisionless shock when the flow velocity is aligned with an ambient magnetic field utilizing laser-driven, super-Alfvénic plasma flows. As the flows interact, electromagnetic streaming instabilities develop. Proton deflectometry is used to visualize these electromagnetic fluctuations indicating the development of the ion-Weibel instability and the nonresonant instability. Hybrid simulations also show growth of the nonresonant instability and suggest that it provides an efficient source of dissipation for a shock.

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来源期刊

Physical review. E 物理-物理：流体与等离子体

CiteScore

4.60

自引率

16.70%

发文量

审稿时长

3.3 months

期刊介绍： Physical Review E (PRE), broad and interdisciplinary in scope, focuses on collective phenomena of many-body systems, with statistical physics and nonlinear dynamics as the central themes of the journal. Physical Review E publishes recent developments in biological and soft matter physics including granular materials, colloids, complex fluids, liquid crystals, and polymers. The journal covers fluid dynamics and plasma physics and includes sections on computational and interdisciplinary physics, for example, complex networks.