典型文献
Investigation of vortex arms in electron vortices by counter-rotating elliptically polarized attosecond laser pulses
文献摘要：
We theoretically investigate the vortex patterns in photoelectron momentum distributions of He+driven by counter-rotating elliptically polarized,time delayed attosecond laser pulses by numerically solving the two-dimensional time-dependent Schr(o)dinger equation.It is found that the number of vortex arms is extremely sensitive to the ellipticity and wavelength of counter-rotating elliptically polarized laser pulses,which is illustrated by the attosecond perturbation ionization models.In addition,the effect of different time delays between two pulses on the interference patterns is also investigated and the corresponding physical mechanism is demonstrated.Since the wavelength,ellipticity and time delay have a significant effect on the vortex interference patterns,this may be a new method for laser field detection.
文献关键词：
中图分类号：
作者姓名：
Zhuo Wang;Qi Zhen;Yue Sun;Jia-He Chen;Xue-Shen Liu
作者机构：
Institute of Atomic and Molecular Physics,Jilin University,Changchun 130012,China;School of Civil Engineering,Changchun Institute of Technology,Changchun 130012,China
文献出处：
引用格式：
[1]Zhuo Wang;Qi Zhen;Yue Sun;Jia-He Chen;Xue-Shen Liu-.Investigation of vortex arms in electron vortices by counter-rotating elliptically polarized attosecond laser pulses)[J].理论物理,2022(01):84-91
A类：
He+driven
B类：
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AB值：
0.514589
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