Autler–Townes splitting in photoelectron spectra of K2 molecule

doi:10.1088/1674-1056/21/2/023302

中国物理B ›› 2012, Vol. 21 ›› Issue (2): 23302-023302.doi: 10.1088/1674-1056/21/2/023302

姚洪斌,郑雨军

收稿日期:2011-03-11 修回日期:2011-04-25 出版日期:2012-01-30 发布日期:2012-01-30
通讯作者: 郑雨军,yzheng@sdu.edu.cn E-mail:yzheng@sdu.edu.cn

Autler–Townes splitting in photoelectron spectra of K₂ molecule

Yao Hong-Bin(姚洪斌) and Zheng Yu-Jun(郑雨军)^†

School of Physics, Shandong University, Jinan 250100, China

Received:2011-03-11 Revised:2011-04-25 Online:2012-01-30 Published:2012-01-30
Contact: Zheng Yu-Jun,yzheng@sdu.edu.cn E-mail:yzheng@sdu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 91021009 and 10874102) and the Research Fund for the Doctoral Program of Higher Education, China (Grant No. 200804220004).

摘要/Abstract

Abstract: We investigate Autler-Townes splitting in the photoelectron spectra of K₂ molecule driven by pump-probe pulses via employing the time-dependent wave packet approach. It is found that the magnitude of Aulter-Townes splitting varies with the wavelength of the intense laser pulse. In particular, the phenomenon of Aulter-Townes splitting vanishes for the far-off resonance of the pump pulse. Also, the split peaks of Autler-Townes in the case of resonant pump pulse give us an approach to directly obtaining the transition dipole moment of a molecule.

Key words: Autler-Townes splitting, photoelectron spectra, K₂ molecule, wave packet

中图分类号: (Photoelectron spectra )

33.60.+q

42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift) 33.20.Xx (Spectra induced by strong-field or attosecond laser irradiation)

姚洪斌,郑雨军. [J]. 中国物理B, 2012, 21(2): 23302-023302.

Yao Hong-Bin(姚洪斌) and Zheng Yu-Jun(郑雨军) . Autler–Townes splitting in photoelectron spectra of K₂ molecule[J]. Chin. Phys. B, 2012, 21(2): 23302-023302.

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Autler–Townes splitting in photoelectron spectra of K₂ molecule

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