Variations of magnetic field and plasma parameters in the magnetosheath related to reconnection pulses

被引：0

作者：

Erkaev, NV

Farrugia, CJ

Biernat, HK

Langmayr, D

机构：

[1] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria

[2] Russian Acad Sci, Inst Computat Mech, Krasnoyarsk 660036 36, Russia

[3] Univ New Hampshire, Inst Study Earth Oceans & Space, Durham, NH 03824 USA

[4] Graz Univ, Inst Geophys Astrophys & Meteorol, A-8010 Graz, Austria

[5] Graz Univ, Inst Theoret Phys, A-8010 Graz, Austria

来源：

STREAMERS, SLOW SOLAR WIND, AND THE DYNAMICS OF THE MAGNETOSPHERE | 2004年 / 33卷 / 05期

基金：

俄罗斯基础研究基金会; 奥地利科学基金会; 美国国家航空航天局;

关键词：

magnetosheath; magnetic barrier; plasma depletion layer; magnetic field reconnection;

D O I：

10.1016/S0273-1177(03)00646-X

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The interplanetary magnetic field is enhanced in a thin layer near the magnetopause which is called the magnetic barrier or plasma depletion layer. The magnetic energy stored in the magnetic barrier can be released during the process of magnetic field reconnection. Using ideal magnetohydrodynamics and assuming a sudden decrease of the magnetic field near the magnetopause due to the reconnection pulse, we analyze the model variations of the plasma parameters and the magnetic field at the magnetosheath. For a given reconnection rate and calculated parameters of the magnetic barrier, we derive the duration of a reconnection pulse as a function of the solar wind parameters. (C) 2003 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：784 / 788

页数：5

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