阿秒脉冲的发展及其在原子分子超快动力学中的应用

IF 0.8 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
Tao Chen-Yu, Lei Jian-Ting, Yu Xuan, Luo Yan, Ma Xin-wen, Zhang Shao-Feng
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引用次数: 1

摘要

近二十年来,激光技术的发展使阿秒科学成为一个前沿研究领域,为研究量子少体超快演化提供了各种新颖的视角。目前实验室制备的阿秒脉冲以孤立脉冲或脉冲串的形式广泛应用于实验研究。超快变化的光场使人们能够在原子尺度上控制和跟踪电子的运动,实现亚飞秒时间尺度上对电子动力学的实时跟踪。本文综述了原子和分子超快动力学的研究进展,这是阿秒科学的一个重要组成部分。首先,综述了阿秒脉冲的产生和发展,主要包括高次谐波原理和单阿秒脉冲的分离方法。然后系统地介绍了阿秒脉冲的应用,包括光电离时间延迟、阿秒电荷迁移、非绝热分子动力学等。最后,对阿秒脉冲的应用进行了总结和展望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of Attosecond Pulse and Application in Ultrafast Dynamics of Atoms and Molecules
In the past two decades,the development of laser technology has made attosecond science become a cutting-edge research field,providing various novel perspectives for the study of quantum few-body ultrafast evolution.The attosecond pulses prepared in the current laboratory are widely used in experimental research in the form of isolated pulses or pulse trains.The ultrafast changing light field allows people to control and track the motion of electrons at the atomic-scale,and realizes real-time tracking of electron dynamics on the sub-femtosecond time-scale.This review focuses on the progress in the study of ultrafast dynamics of atoms and molecules,which is an important part of attosecond science.Firstly,the generation and development of attosecond pulses are reviewed,mainly including the principle of high-order harmonic and the separation method of single-attosecond pulses.Then the applications of attosecond pulses are systematically introduced,including photo-ionization time delay,attosecond charge migration,non-adiabatic molecular dynamics and so on.Finally,the summary and outlook of the application of attosecond pulses are presented.
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来源期刊
物理学报
物理学报 物理-物理:综合
CiteScore
1.70
自引率
30.00%
发文量
31245
审稿时长
1.9 months
期刊介绍: Acta Physica Sinica (Acta Phys. Sin.) is supervised by Chinese Academy of Sciences and sponsored by Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences. Published by Chinese Physical Society and launched in 1933, it is a semimonthly journal with about 40 articles per issue. It publishes original and top quality research papers, rapid communications and reviews in all branches of physics in Chinese. Acta Phys. Sin. enjoys high reputation among Chinese physics journals and plays a key role in bridging China and rest of the world in physics research. Specific areas of interest include: Condensed matter and materials physics; Atomic, molecular, and optical physics; Statistical, nonlinear, and soft matter physics; Plasma physics; Interdisciplinary physics.
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