Revealing the Microscopic Real-Space Excursion of a Laser-Driven Electron

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Kurz, Heiko G.; Kretschmar, Martin; Binhammer, Thomas; Nagy, Tamas; Ristau, Detlev et al.: Revealing the Microscopic Real-Space Excursion of a Laser-Driven Electron. In: Physical Review X 6 (2016), Nr. 3, 31029. DOI: https://doi.org/10.1103/PhysRevX.6.031029

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Abstract: 
High-order harmonic spectroscopy allows one to extract information on fundamental quantum processes, such as the exit time in the tunneling of an electron through a barrier with attosecond time resolution and molecular structure with angstrom spatial resolution. Here, we study the spatial motion of the electron during high-order harmonic generation in an in situ pump-probe measurement using high-density liquid water droplets as a target. We show that molecules adjacent to the emitting electron-ion pair can disrupt the electron's trajectory when positioned within the range of the maximum electronic excursion distance. This allows us to use the parent ion and the neighboring molecules as boundaries for the electronic motion to measure the maximum electronic excursion distance during the high-order harmonic generation process. Our analysis of the process is relevant for optimizing high-harmonic yields in dense media.
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
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1 image of flag of Germany Germany 76 93.83%
2 image of flag of China China 2 2.47%
3 image of flag of United States United States 1 1.23%
4 image of flag of India India 1 1.23%
5 image of flag of France France 1 1.23%

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