Physics – Plasma Physics
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30f..78s&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 6, pp. 78-1, CiteID 1345, DOI 10.1029/2002GL016267
Physics
Plasma Physics
24
Space Plasma Physics: Magnetic Reconnection, Magnetospheric Physics: Magnetotail, Magnetospheric Physics: Numerical Modeling
Scientific paper
We examine the development of mesoscale structure during 3-D magnetic reconnection which initiates from random perturbations. Reconnection develops as multiple x-line segments with characteristic scale lengths of ~1-4 Re in the cross tail direction. For relatively wide initial current sheets (several c/ωpi), these finite length x-lines remain spatially isolated and drive reconnection which is strongly reminiscent of bursty bulk flows (BBFs) in the magnetotail. In narrower initial current layers the x-line segments merge together to a state in which large scale magnetic energy release takes place. Thus, the degree of compression of the magnetotail may ultimately determine if energy is released in local bursts or globally as a substorm.
Dorland William
Drake James F.
Rogers Barrett N.
Shay Michael A.
Swisdak Michael
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