Electron correlation and short-range dynamics in attosecond angular streaking
Electron correlation and short-range dynamics in attosecond angular streaking
复制标题
DOI：
10.1103/physreva.101.041401
复制
发表时间：
2020-03
影响因子：
2.9
通讯作者：
G. Armstrong;D. Clarke;J. Benda;A. Brown;H. W. V. D. Hart
中科院分区：
文献类型：
--
作者：
G. Armstrong;D. Clarke;J. Benda;A. Brown;H. W. V. D. Hart
本文利用R矩阵和含时方法研究了F−的阿秒角拖尾。使用这种负离子，远程库仑相互作用的自由，我们阐明的作用，短程电子相关效应的attocock计划。通过求解多电子含时薛定谔方程，我们的目标是弥合多电子靶实验和单电子理论方法之间的差距。尽管结合势具有短程性质，但我们在光电子动量分布中观察到显着的负偏移角。我们发现，偏移角是敏感的原子结构描述的剩余F原子。我们还研究了同向和反向旋转电子的响应，并观察到它们的发射角分离
We employ the R matrix with time-dependence method to study attosecond angular streaking of F−. Using this negative ion, free of long-range Coulomb interactions, we elucidate the role of short-range electron correlation effects in an attoclock scheme. Through solution of the multielectron time-dependent Schrodinger equation, we aim to bridge the gap between experiments using multielectron targets, and one-electron theoretical approaches. We observe significant negative offset angles in the photoelectron momentum distributions, despite the short-range nature of the binding potential. We show that the offset angle is sensitive to the atomic structure description of the residual F atom. We also investigate the response of co- and counter-rotating electrons, and observe an angular separation in their emission