磁层开尔文-亥姆霍兹不稳定性中的湍流驱动离子束
空间物理
2019-02-01 v1 等离子体物理
摘要
局地湍流能量传输的描述，以及由磁层多尺度（Magnetospheric Multiscale）任务测量的高分辨率离子分布，共同提供了一个强有力的工具，用以探索流体尺度能量级联与亚离子尺度等离子体过程之间的跨尺度联系。当小尺度能量传输由阿尔文型的、速度场与磁场相关涨落主导时，更有可能观测到加速粒子的束流。在此，我们首次报道了观测结果，表明非线性波粒相互作用是空间等离子体中能量耗散的一种可能机制。
引用
@article{arxiv.1901.11482,
title = {Turbulence-driven ion beams in the magnetospheric Kelvin-Helmholtz instability},
author = {Luca Sorriso-Valvo and Filomena Catapano and Alessandro Retinò and Olivier Le Contel and Denise Perrone and Owen W. Roberts and Jesse T. Coburn and Vincenzo Panebianco and Francesco Valentini and Silvia Perri and Antonella Greco and Francesco Malara and Vincenzo Carbone and Pierluigi Veltri and Oreste Pezzi and Federico Fraternale and Francesca Di Mare and Raffaele Marino and Barbara Giles and Thomas E. Moore and Christopher T. Russell and Roy B. Torbert and Jim L. Burch and Yuri V. Khotyaintsev},
journal= {arXiv preprint arXiv:1901.11482},
year = {2019}
}
备注
Includes Supplemental material