Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field

doi:10.1088/1674-1056/25/6/063201

中国物理B ›› 2016, Vol. 25 ›› Issue (6): 63201-063201.doi: 10.1088/1674-1056/25/6/063201

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field

Shao-Hao Cheng(程绍昊), De-Hua Wang(王德华), Zhao-Hang Chen(陈召杭), Qiang Chen(陈强)

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

收稿日期:2015-08-02 修回日期:2016-02-25 出版日期:2016-06-05 发布日期:2016-06-05
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 Project of Shandong Provincial Higher Educational Science and Technology Program, China (Grant No. J13LJ04).

Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field

Shao-Hao Cheng(程绍昊), De-Hua Wang(王德华), Zhao-Hang Chen(陈召杭), Qiang Chen(陈强)

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

Received:2015-08-02 Revised:2016-02-25 Online:2016-06-05 Published:2016-06-05
Contact: De-Hua Wang E-mail:lduwdh@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11374133) and the Project of Shandong Provincial Higher Educational Science and Technology Program, China (Grant No. J13LJ04).

摘要/Abstract

摘要：

In this paper, we investigate the photoionization microscopy of the Rydberg hydrogen atom in a gradient electric field for the first time. The observed oscillatory patterns in the photoionization microscopy are explained within the framework of the semiclassical theory, which can be considered as a manifestation of interference between various electron trajectories arriving at a given point on the detector plane. In contrast with the photoionization microscopy in the uniform electric field, the trajectories of the ionized electron in the gradient electric field will become chaotic. An infinite set of different electron trajectories can arrive at a given point on the detector plane, which makes the interference pattern of the electron probability density distribution extremely complicated. Our calculation results suggest that the oscillatory pattern in the electron probability density distribution depends sensitively on the electric field gradient, the scaled energy and the position of the detector plane. Through our research, we predict that the interference pattern in the electron probability density distribution can be observed in an actual photoionization microscopy experiment once the external electric field strength and the position of the electron detector plane are reasonable. This study provides some references for the future experimental research on the photoionization microscopy of the Rydberg atom in the non-uniform external fields.

关键词: photoionization microscopy, gradient electric field, semiclassical theory

Abstract:

Key words: photoionization microscopy, gradient electric field, semiclassical theory

中图分类号: (Photoionization of atoms and ions)

32.80.Fb

03.65.Sq (Semiclassical theories and applications) 07.81.+a (Electron and ion spectrometers)

程绍昊, 王德华, 陈召杭, 陈强. Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field[J]. 中国物理B, 2016, 25(6): 63201-063201.

Shao-Hao Cheng(程绍昊), De-Hua Wang(王德华), Zhao-Hang Chen(陈召杭), Qiang Chen(陈强). Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field[J]. Chin. Phys. B, 2016, 25(6): 63201-063201.

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Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field

Photoionization microscopy of Rydberg hydrogen atom in a non-uniform electrical field

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