Effects of initial electronic state on vortex patterns in counter-rotating circularly polarized attosecond pulses
Qi Zhen(甄琪), Jia-He Chen(陈佳贺), Si-Qi Zhang(张思琪), Zhi-Jie Yang(杨志杰), and Xue-Shen Liu(刘学深)
中国物理B . 2021, (2): 24203 -0 .  DOI: 10.1088/1674-1056/abb7fb