In an almost collisionless magnetohydrodynamic plasma in a relatively strong magnetic field, stresses can be conveyed far from the region where they are exerted, e.g., through the propagation of Alfvèn waves. The forced dynamics of line-tied magnetic structures in solar and stellar coronae (see, e.g., A. F. Rappazzo and E. N. Parker, Astrophys. J. 773, L2 (2013) and references therein) is a paradigmatic case. Here, we investigate how this action at a distance develops from the equatorial region of the Kelvin-Helmholtz unstable flanks of the Earth's magnetosphere leading to the onset, at mid latitude in both hemispheres, of correlated double magnetic field line reconnection events that can allow the solar wind plasma to enter the Earth's magnetosphere.
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March 2015
Research Article|
March 02 2015
Double-reconnected magnetic structures driven by Kelvin-Helmholtz vortices at the Earth's magnetosphere
D. Borgogno;
D. Borgogno
1Physics Department,
University of Pisa
, 56127 Pisa, Italy
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F. Califano
;
F. Califano
1Physics Department,
University of Pisa
, 56127 Pisa, Italy
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M. Faganello;
M. Faganello
2
Aix-Marseille University
, CNRS, PIIM UMR 7345, 13397 Marseille, France
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F. Pegoraro
F. Pegoraro
1Physics Department,
University of Pisa
, 56127 Pisa, Italy
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D. Borgogno
1
F. Califano
1
M. Faganello
2
F. Pegoraro
1
1Physics Department,
University of Pisa
, 56127 Pisa, Italy
2
Aix-Marseille University
, CNRS, PIIM UMR 7345, 13397 Marseille, France
Phys. Plasmas 22, 032301 (2015)
Article history
Received:
December 10 2014
Accepted:
February 12 2015
Citation
D. Borgogno, F. Califano, M. Faganello, F. Pegoraro; Double-reconnected magnetic structures driven by Kelvin-Helmholtz vortices at the Earth's magnetosphere. Phys. Plasmas 1 March 2015; 22 (3): 032301. https://doi.org/10.1063/1.4913578
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