Scales of guide field reconnection at the hydrogen mass ratio

被引：74

作者：

Lapenta, G. ^{[1
,3
,4
]}

Markidis, S. ^{[1
]}

Divin, A. ^{[1
]}

Goldman, M. ^{[2
]}

Newman, D. ^{[2
]}

机构：

[1] Katholieke Univ Leuven, Dept Wiskunde, Ctr Plasma Astrofys, B-3001 Louvain, Belgium

[2] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[3] Leuven Math Modeling & Computat Sci Ctr LMCC, Louvain, Belgium

[4] Leuven Ctr Aero & Space Sci Technol & Applicat LA, Louvain, Belgium

来源：

PHYSICS OF PLASMAS | 2010年 / 17卷 / 08期

关键词：

COLLISIONLESS MAGNETIC RECONNECTION; PLASMA;

D O I：

10.1063/1.3467503

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We analyze the signatures of component reconnection for a Harris current sheet with a guide field using the physical mass ratio of hydrogen. The study uses the fully kinetic particle in cell code IPIC3D to investigate the scaling with mass ratio of the following three main component reconnection features: electron density cavities along the separatrices, channels of fast electron flow within the cavities, and electron phase space holes due to the Buneman instability in the electron high speed channels. The width and strength of the electron holes and of the electron cavities are studied up the mass ratio proper of hydrogen, considering the effect of the simulation box size, and of the boundary conditions. The results compare favorably with the existing data from the Cluster and Themis missions and provide quantitative predictions for realistic conditions to be encountered by the planned magnetospheric multiscale mission. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3467503]

引用

页数：11

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