ring current

Yue, C., Bortnik, J., Thorne, R., Ma, Q., An, X., Chappell, C., et al. (2017). The characteristic pitch angle distributions of 1 eV to 600 keV protons near the equator based on Van Allen Probes observations. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2017JA024421 (Original work published August 2017)
Ukhorskiy, A. . Y., Sorathia, K., Merkin, V., Sitnov, M., Mitchell, D., & Gkioulidou, M. (2018). Ion Trapping and Acceleration at Dipolarization Fronts: High-Resolution MHD/Test-Particle Simulations. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2018JA025370 (Original work published June 2018)
Liu, N., Su, Z., Zheng, H., Wang, Y., & Wang, S. (2018). Magnetosonic harmonic falling and rising frequency emissions potentially generated by nonlinear wave-wave interactions in the Van Allen radiation belts. Geophysical Research Letters. http://doi.org/10.1029/2018GL079232 (Original work published July 2018)
Yuan, Z., Liu, K., Yu, X., Yao, F., Huang, S., Wang, D., & Ouyang, Z. (2018). Precipitation of radiation belt electrons by EMIC waves with conjugated observations of NOAA and Van Allen satellites. Geophysical Research Letters. http://doi.org/10.1029/2018GL080481 (Original work published November 2018)
Liu, N., Su, Z., Zheng, H., Wang, Y., & Wang, S. (2018). Prompt Disappearance and Emergence of Radiation Belt Magnetosonic Waves Induced by Solar Wind Dynamic Pressure Variations. Geophysical Research Letters. http://doi.org/10.1002/2017GL076382 (Original work published January 2018)
Mitani, K., Seki, K., Keika, K., Gkioulidou, M., Lanzerotti, L., Mitchell, D., & Kletzing, C. (2018). Radial Transport of Higher-Energy Oxygen Ions Into the Deep Inner Magnetosphere Observed by Van Allen Probes. Geophysical Research Letters. http://doi.org/10.1029/2018GL077500 (Original work published May 2018)
Sandhu, J., Rae, I., Freeman, M., Gkioulidou, M., Forsyth, C., Reeves, G., et al. (2019). Substorm-Ring Current Coupling: A Comparison of Isolated and Compound Substorms. Journal Of Geophysical Research: Space Physics, 124, 6776-6791. http://doi.org/10.1029/2019JA026766 (Original work published August 2019)
Sandhu, J., Rae, I., Freeman, M., Forsyth, C., Gkioulidou, M., Reeves, G., et al. (2018). Energisation of the ring current by substorms. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2018JA025766 (Original work published September 2018)
Dai, G., Su, Z., Liu, N., Wang, B., Zheng, H., Wang, Y., & Wang, S. (2019). Quenching of Equatorial Magnetosonic Waves by Substorm Proton Injections. Geophysical Research Letters. http://doi.org/10.1029/2019GL082944 (Original work published May 2019)
Aseev, N., & Shprits, Y. . Y. (2019). Reanalysis of Ring Current Electron Phase Space Densities Using Van Allen Probe Observations, Convection Model, and Log-Normal Kalman Filter. Space Weather, 17, 619-638. http://doi.org/10.1029/2018SW002110 (Original work published April 2019)