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Electron vortex generations in photoionization of hydrogen atoms by circularly-polarized chirped attosecond pulses
Bingshuang Zhang, Xiaoyu Liu, Fengzheng Zhu, Liguang Jiao, Aihua Liu
Communications in Theoretical Physics . 2024, (1): 15502 .  DOI: 10.1088/1572-9494/ad1587