Ultrafast electron diffraction from nanophotonic waveforms via dynamical Aharonov-Bohm phases

Mohler, Kathrin J.; Ehberger, Dominik; Gronwald, Imke; Lange, Christoph; Huber, Rupert; Baum, Peter

Ultrafast electron diffraction from nanophotonic waveforms via dynamical Aharonov-Bohm phases

Dateien

Mohler_2-1vdg595xbj7xq4.pdfGröße: 488.69 KBDownloads: 203

Datum

2020

Autor:innen

Mohler, Kathrin J.

Ehberger, Dominik

Gronwald, Imke

Lange, Christoph

Huber, Rupert

Baum, Peter

Angaben zur Forschungsförderung

European Union (EU): 647771

Open Access-Veröffentlichung

Open Access Gold

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Science advances. American Association for the Advancement of Science (AAAS). 2020, 6(47), eabc8804. eISSN 2375-2548. Available under: doi: 10.1126/sciadv.abc8804

Zusammenfassung

Electron interferometry via phase-contrast microscopy, holography, or picodiffraction can provide a direct visualization of the static electric and magnetic fields inside or around a material at subatomic precision, but understanding the electromagnetic origin of light-matter interaction requires time resolution as well. Here, we demonstrate that pump-probe electron diffraction with all-optically compressed electron pulses can capture dynamic electromagnetic potentials in a nanophotonic material with sub-light-cycle time resolution via centrosymmetry-violating Bragg spot dynamics. The origin of this effect is a sizable quantum mechanical phase shift that the electron de Broglie wave obtains from the oscillating electromagnetic potentials within less than 1 fs. Coherent electron imaging and scattering can therefore reveal the electromagnetic foundations of light-matter interaction on the level of the cycles of light.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

MOHLER, Kathrin J., Dominik EHBERGER, Imke GRONWALD, Christoph LANGE, Rupert HUBER, Peter BAUM, 2020. Ultrafast electron diffraction from nanophotonic waveforms via dynamical Aharonov-Bohm phases. In: Science advances. American Association for the Advancement of Science (AAAS). 2020, 6(47), eabc8804. eISSN 2375-2548. Available under: doi: 10.1126/sciadv.abc8804

BibTex

@article{Mohler2020-11Ultra-51897,
  year={2020},
  doi={10.1126/sciadv.abc8804},
  title={Ultrafast electron diffraction from nanophotonic waveforms via dynamical Aharonov-Bohm phases},
  number={47},
  volume={6},
  journal={Science advances},
  author={Mohler, Kathrin J. and Ehberger, Dominik and Gronwald, Imke and Lange, Christoph and Huber, Rupert and Baum, Peter},
  note={Article Number: eabc8804}
}

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