Tonghui Wang, Lei Dai, C. Philippe Escoubet, Walter Gonzalez, Yong Ren, Minghui Zhu, Shan Wang, Chi Wang, Xu Wang, Kailai Wang, Jinjuan Liu. "Substorm expansion embedded in a global cycle of field-aligned currents and auroral electrojets." Nature Communications, 2026. doi:10.1038/s41467-026-69753-x