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Current Sheet Thinning in the Wake of a Bubble Injection
Nakamura, Rumi; Yang, Jian; Cui, Jun +3 more
A crucial property of the substorm growth phase is the current sheet thinning, which is often attributed to adiabatic convection. Injecting low-entropy bubbles reduce pressure-balance inconsistencies and restore current sheet thickness to its initial value. Recent observations from Cluster and MMS showed additional thinning of the current sheet in…