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@article{Mistry:2015:10.1002/2015GL066820,
author = {Mistry, R and Eastwood, JP and Hietala, H},
doi = {10.1002/2015GL066820},
journal = {Geophysical Research Letters},
pages = {10513--10520},
title = {Development of bifurcated current sheets in solar wind reconnection exhausts},
url = {http://dx.doi.org/10.1002/2015GL066820},
volume = {42},
year = {2015}
}
TY - JOUR
AB - Petschek-type reconnection is expected to result in bifurcations of reconnection current sheets. In contrast, Hall reconnection simulations show smooth changes in the reconnecting magnetic field. Here we study three solar wind reconnection events where different spacecraft sample oppositely directed reconnection exhausts from a common reconnection site. The spacecraft's relative separations and measurements of the exhaust width are used to geometrically calculate each spacecraft's distance from the X line. We find that in all cases spacecraft farthest from the X line observe clearly bifurcated reconnection current sheets, while spacecraft nearer to the X line do not. These observations suggest that clear bifurcations of reconnection current sheets occur at large distances from the X line (~1000 ion skin depths) and that Petschek-type signatures are less developed close to the reconnection site. This may imply that fully developed bifurcations of reconnection current sheets are unlikely to be observed in the near-Earth magnetotail.
AU - Mistry,R
AU - Eastwood,JP
AU - Hietala,H
DO - 10.1002/2015GL066820
EP - 10520
PY - 2015///
SN - 1944-8007
SP - 10513
TI - Development of bifurcated current sheets in solar wind reconnection exhausts
T2 - Geophysical Research Letters
UR - http://dx.doi.org/10.1002/2015GL066820
UR - http://hdl.handle.net/10044/1/27826
VL - 42
ER -