poloidal waves

Dai, L., Takahashi, K., Lysak, R., Wang, C., Wygant, J., Kletzing, C., et al. (2015). Storm-time occurrence and Spatial distribution of Pc4 poloidal ULF waves in the inner magnetosphere: A Van Allen Probes Statistical study. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2015JA021134 (Original work published May 2015)
Wei, C., Dai, L., Duan, S., Wang, C., & Wang, Y. X. (2019). Multiple satellites observation evidence: High-m Poloidal ULF waves with time-varying polarization states. Earth And Planetary Physics, 3, 190-203. http://doi.org/10.26464/epp2019021 (Original work published May 2019)
Mager, O., Chelpanov, M., Mager, P., Klimushkin, D., & Berngardt, O. (2019). Conjugate Ionosphere-Magnetosphere Observations of a Sub-Alfv\ enic Compressional Intermediate- m Wave: A Case Study Using EKB Radar and Van Allen Probes. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2019JA026541 (Original work published May 2019)