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Article Dans Une Revue Physics of Plasmas Année : 2015

Double-reconnected magnetic structures driven by Kelvin-Helmholtz ă vortices at the Earth's magnetosphere

Résumé

In an almost collisionless magnetohydrodynamic plasma in a relatively ă strong magnetic field, stresses can be conveyed far from the region ă where they are exerted, e. g., through the propagation of Alfven waves. ă The forced dynamics of line-tied magnetic structures in solar and ă stellar coronae (see, e. g., A. F. Rappazzo and E. N. Parker, Astrophys. ă J. 773, L2 (2013) and references therein) is a paradigmatic case. Here, ă we investigate how this action at a distance develops from the ă equatorial region of the Kelvin-Helmholtz unstable flanks of the Earth's ă magnetosphere leading to the onset, at mid latitude in both hemispheres, ă of correlated double magnetic field line reconnection events that can ă allow the solar wind plasma to enter the Earth's magnetosphere. (C) 2015 ă AIP Publishing LLC.

Dates et versions

hal-01465043 , version 1 (10-02-2017)

Identifiants

Citer

D. Borgogno, F. Califano, M. Faganello, F. Pegoraro. Double-reconnected magnetic structures driven by Kelvin-Helmholtz ă vortices at the Earth's magnetosphere. Physics of Plasmas, 2015, 22 (3), ⟨10.1063/1.4913578⟩. ⟨hal-01465043⟩

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