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Attosecond streaking of photoelectrons emitted from metal surfaces

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Type
Preprint
Publication Date
Submission Date
Identifiers
arXiv ID: 1411.4996
Source
arXiv
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Abstract

We numerically investigate attosecond streaking time delays in the photoemission of valence and 2p core electrons of aluminum surface. We find that electron emission from the core level band is delayed by $\Delta \tau =100$ attoseconds relative to the release of electrons from the valence band. We show that this relative time offset in electron emission is caused by the screening of the streaking laser field by conduction electrons.

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