Reconstructing coherent dynamics of bound states induced by strong attosecond XUV pulses

被引：0

作者：

贾利娟 ^{[1
]}

刘明清 ^{[1
]}

王新强 ^{[1
]}

徐龙 ^{[2
]}

闫培光 ^{[1
]}

姜维超 ^{[1
]}

傅立斌 ^{[3
]}

机构：

[1] Institute of Quantum Precision Measurement,College of Physics and Optoelectronic Engineering,Shenzhen University

[2] Department of Physics,Xiamen University

[3] Graduate School of China Academy of Engineering Physics

来源：

Chinese Optics Letters | 2024年 / 22卷 / 02期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

O56 [分子物理学、原子物理学]; TN24 [激光技术、微波激射技术];

学科分类号：

070203 ; 0803 ; 080401 ; 080901 ; 1406 ;

摘要：

We propose a scheme that utilizes weak-field-induced quantum beats to investigate the electronic coherences of atoms driven by a strong attosecond extreme ultraviolet(XUV) pulse. The technique involves using a strong XUV pump pulse to excite and ionize atoms and a time-delayed weak short pulse to probe the photoelectron signal. Our theoretical analysis demonstrates that the information regarding the bound states, initiated by the strong pump pulse, can be precisely reconstructed from the weak-field-induced quantum beat spectrum. To examine this scheme, we apply it to the attosecond XUV laser-induced ionization of hydrogen atoms by solving a three-dimensional time-dependent Schr?dinger equation. This work provides an essential reference for reconstructing the ultrafast dynamics of bound states induced by strong XUV attosecond pulses.

引用

页码：61 / 68

页数：8

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