Study on wave packet dynamics of E1∑g+ state of Li2 with femtosecond-resolved photoelectron spectra

doi:10.1088/1674-1056/19/3/033301

中国物理B ›› 2010, Vol. 19 ›› Issue (3): 33301-033301.doi: 10.1088/1674-1056/19/3/033301

Study on wave packet dynamics of E¹∑_g⁺ state of Li₂ with femtosecond-resolved photoelectron spectra

刘玉芳, 刘瑞琼, 丁俊霞

Department of Physics, Henan Normal University, Xinxiang 453007, China

收稿日期:2008-05-28 修回日期:2009-09-16 出版日期:2010-03-15 发布日期:2010-03-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos.~ 60977063 and 10574039), the Foundation for Key Program of Ministry of Education China (Grant No.~206084), the Innovation Scientists and Technicians Troop Construction Projects of Henan Province, China (Grant No.~084100510011), and the Innovation Talents of Institution of Higher Education of Henan Province, China (Grant No.~2006KYCX002).

Study on wave packet dynamics of E¹∑_g⁺ state of Li₂ with femtosecond-resolved photoelectron spectra

Liu Yu-Fang(刘玉芳)^†, Liu Rui-Qiong(刘瑞琼), and Ding Jun-Xia(丁俊霞)

Department of Physics, Henan Normal University, Xinxiang 453007, China

Received:2008-05-28 Revised:2009-09-16 Online:2010-03-15 Published:2010-03-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos.~ 60977063 and 10574039), the Foundation for Key Program of Ministry of Education China (Grant No.~206084), the Innovation Scientists and Technicians Troop Construction Projects of Henan Province, China (Grant No.~084100510011), and the Innovation Talents of Institution of Higher Education of Henan Province, China (Grant No.~2006KYCX002).

摘要/Abstract

摘要： Wave packet dynamics of the Li₂ molecule are investigated by using the time-dependent quantum wave packet method, and the time-resolved photoelectron spectra of the Li₂ molecule are calculated. The time-resolved wave packet theory is used to reasonably interpret the phenomena of the photoelectron spectra for different parameters. Our calculation shows that the loss of the wave packets in the shelf state area of E{ }^1\Sigma_g^ + plays a prominent role in the process of photoionization with the increase of the delay time. Moreover, the oscillation of the wave packet on the E{ }^1\Sigma_g^ + curve symbolizes a decreasing process of energy.

Abstract: Wave packet dynamics of the Li₂ molecule are investigated by using the time-dependent quantum wave packet method, and the time-resolved photoelectron spectra of the Li₂ molecule are calculated. The time-resolved wave packet theory is used to reasonably interpret the phenomena of the photoelectron spectra for different parameters. Our calculation shows that the loss of the wave packets in the shelf state area of $E^1\Sigma_{\rm g}^+$ plays a prominent role in the process of photoionization with the increase of the delay time. Moreover, the oscillation of the wave packet on the $E^1\Sigma_{\rm g}^+$ curve symbolizes a decreasing process of energy.

Key words: time-dependent wave packet, photoelectron spectra, pump-probe

中图分类号: (Photoelectron spectra )

33.60.+q

33.80.Eh (Autoionization, photoionization, and photodetachment) 31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)

刘玉芳, 刘瑞琼, 丁俊霞. Study on wave packet dynamics of E¹∑_g⁺ state of Li₂ with femtosecond-resolved photoelectron spectra[J]. 中国物理B, 2010, 19(3): 33301-033301.

Liu Yu-Fang(刘玉芳), Liu Rui-Qiong(刘瑞琼), and Ding Jun-Xia(丁俊霞). Study on wave packet dynamics of E¹∑_g⁺ state of Li₂ with femtosecond-resolved photoelectron spectra[J]. Chin. Phys. B, 2010, 19(3): 33301-033301.

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Study on wave packet dynamics of E¹∑_g⁺ state of Li₂ with femtosecond-resolved photoelectron spectra

Study on wave packet dynamics of E¹∑_g⁺ state of Li₂ with femtosecond-resolved photoelectron spectra

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