A Potential Substorm Onset Process: Observations, Theory, and Simulations

Dr. Anthony Lui
John Hopkins University
Applied Physics Laboratory
 
Monday, April 4th, 4:00 PM
Abstract:
The physical process for substorm expansion onset is an outstanding problem in magnetospheric research. In this presentation, which includes three movies, I shall review some research results from observations that motivate the development of a plasma instability as the onset process. Results from particle simulation on the nonlinear evolution of the instability will be shown. The avalanche-like behavior in substorm activity will also be briefly discussed.

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