Atomic Physics2026-03-102 minarXiv:2603.09102expressTwo Electrons, One Laser StrikeA laser strikes a strontium atom, and two electrons fly out at once. Previously, it was thought that in such double ionization each electron acts on its own: one is knocked out first, the second later, randomly.Xinglong Yu·Yongyan Han·Zhenjie Shen·Yong-Kang Fang·Shushu Ruan·Jie Liu·Zhixian Wu·Xincheng Wang·Ahai Chen·Wei-Chao Jiang·Kiyoshi Ueda·Liang-You Peng·Yuhai JiangCharles Towneslaserspectroscopy👍👎☆SimplePopularAdvanced