Dynamic stabilization of atomic ionization in a high-frequency laser field with different initial angular momenta

doi:10.1088/1674-1056/ac892a

中国物理B ›› 2022, Vol. 31 ›› Issue (10): 103202-103202.doi: 10.1088/1674-1056/ac892a

所属专题： SPECIAL TOPIC — Celebrating the 70th Anniversary of the Physics of Jilin University

• SPECIAL TOPIC—Celebrating the 70th Anniversary of the Physics of Jilin University • 上一篇下一篇

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

收稿日期:2022-04-07 修回日期:2022-08-09 出版日期:2022-10-16 发布日期:2022-09-16
通讯作者: Fu-Ming Guo, Yu-Jun Yang E-mail:guofm@jlu.edu.cn;yangyj@jlu.edu.cn
基金资助:
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).

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

Received:2022-04-07 Revised:2022-08-09 Online:2022-10-16 Published:2022-09-16
Contact: Fu-Ming Guo, Yu-Jun Yang E-mail:guofm@jlu.edu.cn;yangyj@jlu.edu.cn
Supported by:
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).

摘要/Abstract

摘要： 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.

关键词: stabilization of atomic ionization, atomic initial states

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.

Key words: stabilization of atomic ionization, atomic initial states

中图分类号: (Multiphoton ionization and excitation to highly excited states)

32.80.Rm

42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)

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[J]. 中国物理B, 2022, 31(10): 103202-103202.

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Dynamic stabilization of atomic ionization in a high-frequency laser field with different initial angular momenta

Dynamic stabilization of atomic ionization in a high-frequency laser field with different initial angular momenta

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