In-Situ Observations of Flux Ropes Formed by Spiral Null Pairs in Magnetotail Plasmas
Ruilong Guo1,2, Zuyin Pu2, Suiyan Fu2, Lun Xie2 and Yong Wei1, (1)Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (2)Peking University, School of Earth and Space Sciences, Beijing, China
