Wen Li

TL;DR: High-resolution electron observations obtained during the 9 October storm are reported and chorus scattering explains the temporal evolution of both the energy and angular distribution of the observed relativistic electron flux increase, and detailed modelling demonstrates the remarkable efficiency of wave acceleration in the Earth's outer radiation belt.

TL;DR: Using quasi-linear diffusion coefficients for cyclotron resonance with field-aligned waves, the authors examined whether the resonant interactions with chorus waves produce a net acceleration or loss of relativistic electrons.

TL;DR: Li et al. as discussed by the authors performed a global survey of whistler-mode chorus waves using magnetic field filter bank data from the THEMIS spacecraft with 5 probes in near-equatorial orbits, which confirmed earlier analyses of the strong dependence of wave amplitudes on geomagnetic activity, confinement of nightside emissions to low magnetic latitudes, and extension of dayside emissions to high latitudes.

TL;DR: Direct evidence is provided that a naturally occurring electromagnetic wave, lower-band chorus, can drive pulsating aurora, and the findings can be used to constrain magnetic field models with much higher accuracy than has previously been possible.

TL;DR: In this paper, the global distribution of chorus wave amplitudes and their wave normal angles was investigated using high-resolution wave spectra and waveform data from THEMIS for lower-band and upper-band chorus separately, and it was shown that large amplitude chorus (>300 pT) occurs predominantly from premidnight to postdawn and is preferentially observed at lower L shells (50 pT).