Electron diffraction in above-threshold ionization of molecules
Electron diffraction in above-threshold ionization of molecules
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DOI：
10.1103/physreva.66.051404
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发表时间：
2002-11-01
影响因子：
2.9
通讯作者：
Knight, PL
中科院分区：
文献类型：
--
作者：
Lein, M;Marangos, JP;Knight, PL
计算了线偏振强激光脉冲作用下双中心分子电离产生的电子的光谱和角分布。一个完全数值的量子力学方法相比，一个简单的半经典模型设计来描述衍射的电子时，他们与双中心的核心。在这两种方法中，在角分布中发现了清晰的衍射特征。讨论了电子衍射与核间距和分子取向的关系。
We calculate the spectra and angular distributions of electrons from ionization of two-center molecules in linearly polarized strong laser pulses. A fully numerical quantum-mechanical method is compared to a simple semiclassical model designed to describe the diffraction of electrons when they recollide with the two-center core. Within both approaches, clear signatures of diffraction are found in the angular distributions. We discuss the dependence of electron diffraction on the internuclear distance and on the molecular orientation.