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学科主题: 物理化学
题名: Wavelength dependence of Autler-Townes splitting in a four-level ladder molecular system
作者: Guo, Wei1;  Lu, Xingqiang2;  Wang, Xinlin1;  Yao, Hongbin3
通讯作者: XingqiangLu
刊名: EPL
发表日期: 2014-12-01
DOI: 10.1209/0295-5075/108/53002
卷: 108, 期:5, 页:53002
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
英文摘要: We theoretically investigated the Autler-Townes (AT) splitting in the photoelectron spectra of four-level ladder K-2 molecules in the presence of two control pump fields and one probe field by employing the time-dependent wave packet approach. The wavelength dependence of AT splitting on three laser pulses was studied in detail. The photoelectron spectra show triple splitting with symmetric profiles, but with asymmetric profiles when the wavelength is changed. The shifts of the absorption peaks are predicted by using an analytical fitting function when the wavelength of one of the three fields is changed, and the functional dependence appears to be linear. These novel results are of importance for the molecular spectroscopy, and may stimulate further theoretical studies analytically from the first principles. Copyright (C) EPLA, 2014
关键词[WOS]: MULTIPHOTON IONIZATION ;  PHOTOELECTRON-SPECTRUM ;  EXCITED-STATES ;  LASER-PULSES ;  PUMP-PROBE ;  K-2 ;  FEMTOSECOND ;  ATOM ;  SPECTROSCOPY ;  ABSORPTION
语种: 英语
WOS记录号: WOS:000346792400013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144164
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作者单位: 1.Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China
2.Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China
3.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Guo, Wei,Lu, Xingqiang,Wang, Xinlin,et al. Wavelength dependence of Autler-Townes splitting in a four-level ladder molecular system[J]. EPL,2014,108(5):53002.
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