density duct

Streltsov, A. (2021). Whistler on a Shelf. Journal Of Geophysical Research: Space Physics, n/a, e2021JA029403. http://doi.org/https://doi.org/10.1029/2021JA029403 (Original work published May 2021)
Chen, R., Gao, X., Lu, Q., Chen, L., Tsurutani, B., Li, W., et al. (2021). In situ Observations of Whistler-mode Chorus Waves Guided by Density Ducts. Journal Of Geophysical Research: Space Physics, n/a, e2020JA028814. http://doi.org/https://doi.org/10.1029/2020JA028814 (Original work published March 2021)