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Scales in a thinning plasma sheet
2009
AIP Conference Proceedings
With Cluster observations in the magnetotail, we study the dynamics of plasma sheet thinning and stretching in a typical growth phase event of September 12, 2001. The thinning and stretching proceed in parallel, with transient variations. The pre-onset value is B z ~ 1.5 nT , J ~ 8 nA/m 2 . The current density increase is not accompanied with a corresponding number density increase. A large (> 5 nT) guide field along the cross-tail current direction was registered. An embedded current sheet
doi:10.1063/1.3169289
fatcat:bnhqwkzdhvgdtgixmzjvdnmlhm