arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2003.02239physics.atom-ph
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类螺旋全息结构:强场电离中库仑畸变轨道的解旋干涉毯

Spiral-like Holographic Structures: Unwinding Interference Carpets of Coulomb-Distorted Orbits in Strong-Field Ionization

Andrew S Maxwell, XuanYang Lai, RenPing Sun, XiaoJun Liu, Carla Figueira de Morisson Faria

摘要:

我们毫不含糊地确定,在实验和理论上,一个以前被忽视的全息干涉图案在强场电离,被称为“螺旋”,源于两个轨迹的结合势和激光场同样重要。我们表明,由于与核心的强相互作用,这些轨迹是探测目标\textbf{after}电离和揭示混淆的阶段在初始束缚态的最佳工具。螺旋是负责干扰地毯,以前归因于直接高于阈值的电离轨迹,我们表明地毯干扰条件是一个一般的属性,由于场对称性。

英文摘要:

We unambiguously identify, in experiment and theory, a previously overlooked holographic interference pattern in strong-field ionization, dubbed "the spiral", stemming from two trajectories for which the binding potential and the laser field are equally critical. We show that, due to strong interaction with the core, these trajectories are optimal tools for probing the target \textbf{after} ionization and for revealing obfuscated phases in the initial bound states. The spiral is shown to be responsible for interference carpets, formerly attributed to direct above-threshold ionization trajectories, and we show the carpet-interference condition is a general property due to the field symmetry.

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