Temporal interference driven by an oscillating electric field in photodetachment of H- ion

doi:10.1088/1674-1056/27/2/023202

中国物理B ›› 2018, Vol. 27 ›› Issue (2): 23202-023202.doi: 10.1088/1674-1056/27/2/023202

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Temporal interference driven by an oscillating electric field in photodetachment of H^- ion

De-Hua Wang(王德华), Meng-Zhi Li(李梦芝), Hong-Na Song(宋鸿娜), Xiao-Xiao Ren(任笑笑)

School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China

收稿日期:2017-09-20 修回日期:2017-11-27 出版日期:2018-02-05 发布日期:2018-02-05
通讯作者: De-Hua Wang E-mail:lduwdh@163.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11374133) and the Taishan Scholars Project of Shandong Province, China (Grant No. ts2015110055).

Temporal interference driven by an oscillating electric field in photodetachment of H^- ion

De-Hua Wang(王德华), Meng-Zhi Li(李梦芝), Hong-Na Song(宋鸿娜), Xiao-Xiao Ren(任笑笑)

School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China

Received:2017-09-20 Revised:2017-11-27 Online:2018-02-05 Published:2018-02-05
Contact: De-Hua Wang E-mail:lduwdh@163.com
About author:32.80.Gc; 31.15.xg
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11374133) and the Taishan Scholars Project of Shandong Province, China (Grant No. ts2015110055).

摘要/Abstract

摘要： The real time domain interferometry for the photodetachment dynamics driven by the oscillating electric field has been studied for the first time. Both the geometry of the detached electron trajectories and the electron probability density are shown to be different from those in the photodetachment dynamics in a static electric field. The influence of the oscillating electric field on the detached electron leads to a surprisingly intricate shape of the electron waves, and multiple interfering trajectories generate complex interference patterns in the electron probability density. Using the semiclassical open-orbit theory, we calculate the interference patterns in the time-dependent electron probability density for different electric field strengths, different frequencies and phases in the oscillating electric field. This method is universal, and can be extended to study the photoionization dynamics of the atoms in the time-dependent electric field. Our study can guide the future experimental researches in the photodetachment or photoionization microscopy of negative ions and atoms in the oscillating electric field.

关键词: temporal interference, photodetachment dynamics, oscillating electric field, semiclassical open-orbit theory

Abstract: The real time domain interferometry for the photodetachment dynamics driven by the oscillating electric field has been studied for the first time. Both the geometry of the detached electron trajectories and the electron probability density are shown to be different from those in the photodetachment dynamics in a static electric field. The influence of the oscillating electric field on the detached electron leads to a surprisingly intricate shape of the electron waves, and multiple interfering trajectories generate complex interference patterns in the electron probability density. Using the semiclassical open-orbit theory, we calculate the interference patterns in the time-dependent electron probability density for different electric field strengths, different frequencies and phases in the oscillating electric field. This method is universal, and can be extended to study the photoionization dynamics of the atoms in the time-dependent electric field. Our study can guide the future experimental researches in the photodetachment or photoionization microscopy of negative ions and atoms in the oscillating electric field.

Key words: temporal interference, photodetachment dynamics, oscillating electric field, semiclassical open-orbit theory

中图分类号: (Photodetachment of atomic negative ions)

32.80.Gc

31.15.xg (Semiclassical methods)

王德华, 李梦芝, 宋鸿娜, 任笑笑. Temporal interference driven by an oscillating electric field in photodetachment of H^- ion[J]. 中国物理B, 2018, 27(2): 23202-023202.

De-Hua Wang(王德华), Meng-Zhi Li(李梦芝), Hong-Na Song(宋鸿娜), Xiao-Xiao Ren(任笑笑). Temporal interference driven by an oscillating electric field in photodetachment of H^- ion[J]. Chin. Phys. B, 2018, 27(2): 23202-023202.

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Temporal interference driven by an oscillating electric field in photodetachment of H^- ion

Temporal interference driven by an oscillating electric field in photodetachment of H^- ion

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