Review on typical applications and computational optimizations based on semiclassical methods in strong-field physics

被引:0
|
作者
火勋琴 [1 ,2 ]
杨玮枫 [3 ]
董文卉 [2 ]
金发成 [1 ,2 ,4 ]
刘希望 [3 ]
张宏丹 [3 ]
宋晓红 [3 ]
机构
[1] Institute of Mathematics, College of Science, Shantou University
[2] Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University
[3] School of Science, Hainan University
[4] Faculty of Science, Xi'an Aeronautical University
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
O562.4 [原子间的作用、激发与电离];
学科分类号
070203 ; 1406 ;
摘要
The semiclassical method based on Feynman’s path-integral is in favor of uncovering the quantum tunneling effect,the classical trajectory description of the electron, and the quantum phase information, which can present an intuitive and transparent physical image of electron’s propagation in comparison with the ab initio time-dependent Schr ¨odinger equation.In this review, we introduce the basic theoretical concepts and development of several semiclassical methods as well as some of their applications in strong-field physics. Special emphasis is placed on extracting time delay on attosecond scale by the combination of the semiclassical method with phase of phase method. Hundreds of millions of trajectories are generally adopted to obtain a relatively high-resolution photoelectron spectrum, which would take a large amount of time. Here we also introduce several optimization approaches of the semiclassical method to overcome the time-consuming problem of violence calculation.
引用
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页码:14 / 28
页数:15
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