中国物理B ›› 2009, Vol. 18 ›› Issue (4): 1479-1485.doi: 10.1088/1674-1056/18/4/032

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Time-dependent theoretical approach to the influence of laser fields on the resonance enhanced multi-photon ionization of SH radical

岳大光, 郑晓云, 刘浩, 王春兴, 孟庆田   

  1. College of Physics and Electronics, Shandong Normal University, Jinan 250014, China
  • 收稿日期:2008-05-19 修回日期:2008-08-06 出版日期:2009-04-20 发布日期:2009-04-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 10574083) and the Natural Science Foundation of Shandong Province of China (Grant No Y2006A23). Partial financial support from the National Basic Research Program of China (Gr

Time-dependent theoretical approach to the influence of laser fields on the resonance enhanced multi-photon ionization of SH radical

Yue Da-Guang(岳大光), Zheng Xiao-Yun(郑晓云), Liu Hao(刘浩), Wang Chun-Xing(王春兴), and Meng Qing-Tian(孟庆田)†   

  1. College of Physics and Electronics, Shandong Normal University, Jinan 250014, China
  • Received:2008-05-19 Revised:2008-08-06 Online:2009-04-20 Published:2009-04-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 10574083) and the Natural Science Foundation of Shandong Province of China (Grant No Y2006A23). Partial financial support from the National Basic Research Program of China (Gr

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摘要： This paper reports that the (2+1) resonance enhanced multi-photon ionization spectra of SH radical in external fields are simulated using the split-operator scheme of time-dependent wave-packet method. Two ionic states, i.e.~a1Δ and b1∑+, are involved in the simulation. It gives the simulated photoelectron spectra, the population in each electronic state, as well as the projection of the wave-packet in each electronic state on different vibrational states. These results show that the so-called four-state model can represent the experimental results well.

关键词: photoelectron spectra, time-dependent wave-packet method, four-state model, multi-photon ionization

Abstract: This paper reports that the (2+1) resonance enhanced multi-photon ionization spectra of SH radical in external fields are simulated using the split-operator scheme of time-dependent wave-packet method. Two ionic states, i.e. $a^1\varDelta$ and $b^1\varSigma^+$, are involved in the simulation. It gives the simulated photoelectron spectra, the population in each electronic state, as well as the projection of the wave-packet in each electronic state on different vibrational states. These results show that the so-called four-state model can represent the experimental results well.

Key words: photoelectron spectra, time-dependent wave-packet method, four-state model, multi-photon ionization

中图分类号:  (Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))

  • 33.80.Rv
33.80.Eh (Autoionization, photoionization, and photodetachment) 33.60.+q (Photoelectron spectra ) 33.20.Tp (Vibrational analysis)