It is all about phases: ultrafast holographic photoelectron imaging

IF 19 1区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
C. Figueira de Morisson Faria, A. Maxwell
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引用次数: 66

Abstract

Photoelectron holography constitutes a powerful tool for the ultrafast imaging of matter, as it combines high electron currents with subfemtosecond resolution, and gives information about transition amplitudes and phase shifts. Similarly to light holography, it uses the phase difference between the probe and the reference waves associated with qualitatively different ionization events for the reconstruction of the target and for ascertaining any changes that may occur. These are major advantages over other attosecond imaging techniques, which require elaborate interferometric schemes in order to extract phase differences. For that reason, ultrafast photoelectron holography has experienced a huge growth in activity, which has led to a vast, but fragmented landscape. The present review is an organizational effort towards unifying this landscape. This includes a historic account in which a connection with laser-induced electron diffraction is established, a summary of the main holographic structures encountered and their underlying physical mechanisms, a broad discussion of the theoretical methods employed, and of the key challenges and future possibilities. We delve deeper in our own work, and place a strong emphasis on quantum interference, and on the residual Coulomb potential.
这一切都与相位有关:超快全息光电子成像
光电子全息术是物质超快成像的有力工具,因为它结合了高电流和亚飞秒分辨率,并提供了有关跃迁幅度和相移的信息。与光全息术类似,它利用探针和与定性不同电离事件相关的参考波之间的相位差来重建目标,并确定可能发生的任何变化。这是与其他阿秒成像技术相比的主要优势,后者需要复杂的干涉方案来提取相位差。因此,超快光电子全息术经历了活动的巨大增长,这导致了一个巨大的,但碎片化的景观。目前的审查是对统一这一景观的组织努力。这包括与激光诱导电子衍射建立联系的历史叙述,所遇到的主要全息结构及其潜在物理机制的总结,所采用的理论方法的广泛讨论,以及关键挑战和未来可能性。我们在自己的工作中进行了更深入的研究,并将重点放在量子干涉和剩余库仑势上。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Reports on Progress in Physics
Reports on Progress in Physics 物理-物理:综合
CiteScore
31.90
自引率
0.00%
发文量
45
审稿时长
6-12 weeks
期刊介绍: Reports on Progress in Physics is a highly selective journal with a mission to publish ground-breaking new research and authoritative invited reviews of the highest quality and significance across all areas of physics and related areas. Articles must be essential reading for specialists, and likely to be of broader multidisciplinary interest with the expectation for long-term scientific impact and influence on the current state and/or future direction of a field.
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