Field-aligned currents are strongly modulated by corotating solar wind high-speed streamsRajkumar Hajra, Bruce T. Tsurutani, Adriane M. S. Franco, Quanming Lu, Aimin Du, Gurbax S. Lakhina, San Lu, Xinliang Gao and Ezequiel EcherJ. Space Weather Space Clim., 16 (2026) 18DOI: https://doi.org/10.1051/swsc/2026007