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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 |
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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.
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Received: 11 March 2011
Revised: 25 April 2011
Accepted manuscript online:
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PACS:
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33.60.+q
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(Photoelectron spectra )
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42.50.Hz
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(Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)
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33.20.Xx
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(Spectra induced by strong-field or attosecond laser irradiation)
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Fund: 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). |
Corresponding Authors:
Zheng Yu-Jun,yzheng@sdu.edu.cn
E-mail: yzheng@sdu.edu.cn
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Cite this article:
Yao Hong-Bin(姚洪斌) and Zheng Yu-Jun(郑雨军) Autler–Townes splitting in photoelectron spectra of K2 molecule 2012 Chin. Phys. B 21 023302
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