Abstract
A hybrid MHD kinetic‐electron model in dipolar coordinates is used to simulate the upward current region of a geomagnetic Field Line Resonance (FLR) system for a realistic ambient electron temperature of a keV. It is found that mirror force effects result in potential drops sufficient to accelerate electrons to energies in excess of a keV in support of field aligned currents on the order of 0.5μA/m2. The wave energy dissipated in this acceleration would completely damp an undriven FLR with an equatorial width of 0.5 RE within two resonance cycles.
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