期刊
ANNALES GEOPHYSICAE
卷 26, 期 12, 页码 3669-3676出版社
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/angeo-26-3669-2008
关键词
Magnetospheric physics; Magnetotail; Plasma sheet
资金
- RFBR [06-05-90631]
We investigate Cluster observations of strongly tilted sheets (flapping events) in the magnetotail. In accordance with the simple model of slip deformation (vertical differential displacement of neighboring flux tubes), the J(y) current density component in the tilted sheet remains constant and equal to that in the horizontal undisturbed sheet. However, a substantial J(z) component appears proportional to the local sheet tilt. Slip-type variations, having smaller scale than the full crossing, locally change the tilt and J(z) and may thus create a variety of non-classical (bifurcated, asymmetric etc) current density profiles.
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