Dynamic stabilization of atomic ionization in a high-frequency laser field with different initial angular momenta
Di-Yu Zhang(张頔玉)1,2, Yue Qiao(乔月)1,2, Wen-Di Lan(蓝文迪)1,2, Jun Wang(王俊)1,2, Fu-Ming Guo(郭福明)1,2,†, Yu-Jun Yang(杨玉军)1,2,‡, and Da-Jun Ding(丁大军)1,2
1. Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China; 2. Jilin Provincial Key Laboratory of Applied Atomic and Molecular Spectroscopy (Jilin University), Changchun 130012, China
Abstract We investigated the ionization of an atom with different orbital angular momenta in a high-frequency laser field by solving the time-dependent Schrödinger equation. The results showed that the ionization stabilization features changed with the relative direction between the angular momentum of the initial state and the vector field of the laser pulse. The ionization mechanism of the atom irradiated by a high frequency was explained by calculating the transition matrix and evolution of the time-dependent wave packet. This study can provide comprehensive understanding to improve atomic nonadiabatic ionization.
(Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)
Fund: Project supported by the National Key Research and Development Program of China (Grant No. 2019YFA0307700), the National Natural Science Foundation of China (Grant Nos. 12074145, 11627807, 11774175, 11534004, 11774129, 11604119, and 11975012), and Fundamental Research Funds for the Central Universities of China (Grant No. 30916011207).
Corresponding Authors:
Fu-Ming Guo, Yu-Jun Yang
E-mail: guofm@jlu.edu.cn;yangyj@jlu.edu.cn
Cite this article:
Di-Yu Zhang(张頔玉), Yue Qiao(乔月), Wen-Di Lan(蓝文迪), Jun Wang(王俊), Fu-Ming Guo(郭福明), Yu-Jun Yang(杨玉军), and Da-Jun Ding(丁大军) Dynamic stabilization of atomic ionization in a high-frequency laser field with different initial angular momenta 2022 Chin. Phys. B 31 103202
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