Electrostatic Solitary Waves in the Solar Wind: Evidence for Instability at Solar Wind Current Sheets

被引：80

作者：

Malaspina, David M. ^{[1
]}

Newman, David L. ^{[2
]}

Willson, Lynn B., III ^{[3
]}

Goetz, Keith ^{[4
]}

Kellogg, Paul J. ^{[4
]}

Kerstin, Kris ^{[4
]}

机构：

[1] Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA

[2] Univ Colorado, Ctr Integrated Plasma Studies, Boulder, CO 80309 USA

[3] NASA, Goddard Space Flight Ctr Code 672, Greenbelt, MD 20771 USA

[4] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 2013年 / 118卷 / 02期

基金：

美国国家科学基金会;

关键词：

MAGNETIC RECONNECTION; LANGMUIR-WAVES; PLASMA; FIELD; SPACECRAFT; HOLES; DISCONTINUITIES; BOUNDARY; RADIO;

D O I：

10.1002/jgra.50102

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A strong spatial association between bipolar electrostatic solitary waves (ESWs) and magnetic current sheets (CSs) in the solar wind is reported here for the first time. This association requires that the plasma instabilities (e. g., Buneman, electron two stream) which generate ESWs are preferentially localized to solar wind CSs. Distributions of CS properties (including shear angle, thickness, solar wind speed, and vector magnetic field change) are examined for differences between CSs associated with ESWs and randomly chosen CSs. Possible mechanisms for producing ESW-generating instabilities at solar wind CSs are considered, including magnetic reconnection. Citation: Malaspina, D. M., D. L. Newman, L. B. Willson III, K. Goetz, P. J. Kellogg, and K. Kerstin (2013), Electrostatic Solitary Waves in the Solar Wind: Evidence for Instability at Solar Wind Current Sheets, J. Geophys. Res. Space Physics, 118, 591-599, doi:10.1002/jgra.50102.

引用

页码：591 / 599

页数：9

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