中国物理B ›› 2018, Vol. 27 ›› Issue (1): 13203-013203.doi: 10.1088/1674-1056/27/1/013203

• ATOMIC AND MOLECULAR PHYSICS • 上一篇    下一篇

Photoelectron longitudinal momentum distributions containing nondipole effects

Yi-Ning Huo(霍一宁), Jian Li(李健), Feng-Cai Ma(马凤才)   

  1. 1 School of Physics, Liaoning University, Shengyang 110036, China;
    2 Department of Physics, Shenyang Aerospace University, Shengyang 110003, China;
    3 School of Physics Science and Technology, Inner Mongolia University, Hohhot 010021, China
  • 收稿日期:2017-08-11 修回日期:2017-09-30 出版日期:2018-01-05 发布日期:2018-01-05
  • 通讯作者: Yi-Ning Huo, Feng-Cai Ma E-mail:huoyining_jiangnan@126.com;fcma@lnu.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 11274149) and the Program of Shenyang Key Laboratory of Optoelectronic Materials and Technology, China (Grant No. F12-254-1-00).

Photoelectron longitudinal momentum distributions containing nondipole effects

Yi-Ning Huo(霍一宁)1, Jian Li(李健)2,3, Feng-Cai Ma(马凤才)1,3   

  1. 1 School of Physics, Liaoning University, Shengyang 110036, China;
    2 Department of Physics, Shenyang Aerospace University, Shengyang 110003, China;
    3 School of Physics Science and Technology, Inner Mongolia University, Hohhot 010021, China
  • Received:2017-08-11 Revised:2017-09-30 Online:2018-01-05 Published:2018-01-05
  • Contact: Yi-Ning Huo, Feng-Cai Ma E-mail:huoyining_jiangnan@126.com;fcma@lnu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 11274149) and the Program of Shenyang Key Laboratory of Optoelectronic Materials and Technology, China (Grant No. F12-254-1-00).

摘要: This paper proposes a modified strong field approximation model for evaluating nondipole effects on the ionization of an atom in an intense laser field. The photoelectron longitudinal momentum distributions (PLMD) of a hydrogen-like atom exposed to a mid-infrared laser field is calculated. The theoretical results indicate an obvious asymmetry in the PLMD, and an offset of the PLMD peak appears in the opposite direction of the beam propagation due to nondipole effects. The peak offsets of the PLMD increased with the laser intensity, imposed by the initial state of the hydrogen-like atom.

关键词: strong field approximation, photoelectron, longitudinal momentum distributions, nondipole effects

Abstract: This paper proposes a modified strong field approximation model for evaluating nondipole effects on the ionization of an atom in an intense laser field. The photoelectron longitudinal momentum distributions (PLMD) of a hydrogen-like atom exposed to a mid-infrared laser field is calculated. The theoretical results indicate an obvious asymmetry in the PLMD, and an offset of the PLMD peak appears in the opposite direction of the beam propagation due to nondipole effects. The peak offsets of the PLMD increased with the laser intensity, imposed by the initial state of the hydrogen-like atom.

Key words: strong field approximation, photoelectron, longitudinal momentum distributions, nondipole effects

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

  • 32.80.Rm
33.80.Rv (Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))