Southward interplanetary magnetic field

Yu, J., Li, L. Y., Cao, J., Reeves, G., Baker, D., & Spence, H. (2016). The influences of solar wind pressure and interplanetary magnetic field on global magnetic field and outer radiation belt electrons. Geophysical Research Letters. (Original work published 06/2016AD)
Li, L. Y., Yang, S. S., Cao, J. B., Yu, J., Luo, X. Y., & Blake, J. B. (2019). Effects of Solar Wind Plasma Flow and Interplanetary Magnetic Field on the Spatial Structure of Earth\textquoterights Radiation Belts. Journal Of Geophysical Research: Space Physics, 124, 10332-10344. (Original work published 12/2019AD)