Radial Transport

Falthammar, C. -G. (1965). Effects of time-dependent electric fields on geomagnetically trapped radiation. Journal Of Geophysical Research, 70, 2503\textendash2516. http://doi.org/10.1029/JZ070i011p02503 (Original work published June 1965)
Elkington, S. (2003). Resonant acceleration and diffusion of outer zone electrons in an asymmetric geomagnetic field. Journal Of Geophysical Research, 108. http://doi.org/10.1029/2001JA009202 (Original work published March 2003)
Huang, Z., Yuan, Z., & Yu, X. (2020). Evolutions of equatorial ring current ions during a magnetic storm. Earth And Planetary Physics, 4, 131-137. http://doi.org/10.26464/epp2020019 (Original work published March 2020)
Brautigam, D., & Albert, J. (2000). Radial diffusion analysis of outer radiation belt electrons during the October 9, 1990, magnetic storm. Journal Of Geophysical Research, 105, 291. http://doi.org/10.1029/1999JA900344 (Original work published January 2000)
Elkington, S., Hudson, M., & Chan, A. (1999). Acceleration of relativistic electrons via drift-resonant interaction with toroidal-mode Pc-5 ULF oscillations. Geophysical Research Letters, 26, 3273. http://doi.org/10.1029/1999GL003659 (Original work published November 1999)
Chiu, Y., Nightingale, R., & Rinaldi, M. (1988). Simultaneous Radial and Pitch Angle Diffusion in the Outer Electron Radiation Belt. Journal Of Geophysical Research, 93, 2619-2632. http://doi.org/10.1029/JA093iA04p02619 (Original work published April 1988)
West, H., Buck, R., & Davidson, G. (1981). The Dynamics of Energetic Electrons in the Earth\textquoterights Outer Radiation Belt During 1968 as Observed by the Lawrence Livermore National Laboratory\textquoterights Spectrometer on Ogo 5. Journal Of Geophysical Research, 86, 2111-2142. http://doi.org/10.1029/JA086iA04p02111 (Original work published April 1981)
Holzworth, R., & Mozer, F. (1979). Direct Evaluation of the Radial Diffusion Coefficient near L = 6 Due to Electric Field Fluctuations. Journal Of Geophysical Research, 84, 2559-2566. http://doi.org/10.1029/JA084iA06p02559 (Original work published June 1979)
Lanzerotti, L., & Morgan, C. (1973). ULF Geomagnetic Power near L = 4, 2. Temporal Variation of the Radial Diffusion Coefficient for Relativistic Electrons. Journal Of Geophysical Research, 78, 4600-4610. http://doi.org/10.1029/JA078i022p04600 (Original work published August 1973)
SHPRITS, Y., ELKINGTON, S., MEREDITH, N., & SUBBOTIN, D. (2008). Review of modeling of losses and sources of relativistic electrons in the outer radiation belt I: Radial transport. Journal Of Atmospheric And Solar-Terrestrial Physics, 70, 1679-1693. http://doi.org/10.1016/j.jastp.2008.06.008 (Original work published November 2008)