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The role of transition dipole phase in atomic attosecond transient absorption from the multi-level model
Yuan, Guanglu1; Jiang, Shicheng1; Wang, Ziwen1; Hua, Weijie1; Yu, Chao1; Jin, Cheng1,2; Lu, Ruifeng1,3
作者部门瞬态光学研究室
2019-09-01
发表期刊Structural Dynamics
ISSN23297778
卷号6期号:5
产权排序2
摘要

Based on a multilevel model considering enough bound electronic states of atoms, we theoretically study the role of the transition dipole phase (TDP) in the attosecond transient absorption (ATA) spectrum of helium in intense laser fields. By solving the stationary Schrödinger equation with B-spline basis sets, we first calculate the transition dipole moments with well-defined phases between the bound states. Using the modified multilevel model, we reveal that the TDP plays an important role in determining the spectral structures if two or more paths populate the excited states from the ground state. Our multilevel model with the accurate TDP is convenient to address the origin of atomic ATA spectral structures by freely removing or adding specific electronic states and has been justified by comparing with the ATA spectra via directly solving the time-dependent Schrödinger equation. Hopefully, further incorporating macroscopic propagation into the model will provide indepth physical insights into experimental ATA spectra. © 2019 Author(s).

DOI10.1063/1.5124441
收录类别SCI ; EI
语种英语
WOS记录号WOS:000551271200001
出版者American Crystallographic Association
EI入藏号20201308349043
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/93336
专题瞬态光学研究室
作者单位1.Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, Jiangsu; 210094, China;
2.State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi; 710119, China;
3.State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning; 116023, China
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GB/T 7714
Yuan, Guanglu,Jiang, Shicheng,Wang, Ziwen,et al. The role of transition dipole phase in atomic attosecond transient absorption from the multi-level model[J]. Structural Dynamics,2019,6(5).
APA Yuan, Guanglu.,Jiang, Shicheng.,Wang, Ziwen.,Hua, Weijie.,Yu, Chao.,...&Lu, Ruifeng.(2019).The role of transition dipole phase in atomic attosecond transient absorption from the multi-level model.Structural Dynamics,6(5).
MLA Yuan, Guanglu,et al."The role of transition dipole phase in atomic attosecond transient absorption from the multi-level model".Structural Dynamics 6.5(2019).
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