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Title:Photoelectric effect with a twist
Authors:ID De Ninno, Giovanni, University of Nova Gorica (Author)
ID Wätzel, Jonas, Institut für Physik, Martin-Luther Universität Halle-Wittenberg (Author)
ID Rebernik Ribič, Primož, Elettra-Sincrotrone Trieste SCpA (Author)
ID Allaria, Enrico, Elettra-Sincrotrone Trieste SCpA (Author)
ID Coreno, Marcello, ISM-CNR, Basovizza Area Science Park (Author)
ID Danailov, Miltcho B., Elettra-Sincrotrone Trieste SCpA (Author)
ID David, Christian, Paul Scherrer Institut, Villigen-PSI (Author)
ID Demidovich, Alexander, Elettra-Sincrotrone Trieste SCpA (Author)
ID Di Fraia, Michele, Elettra-Sincrotrone Trieste SCpA (Author)
ID Giannessi, Luca, Elettra-Sincrotrone Trieste SCpA (Author)
ID Hansen, Klaus, Center for Joint Quantum Studies and Department of Physics, Tianjin University (Author)
ID Krušič, Špela, J. Stefan Institute (Author)
ID Manfredda, Michele, Elettra-Sincrotrone Trieste SCpA (Author)
ID Meyer, Micheal, European XFEL (Author)
ID Mihelič, Andrej, J. Stefan Institute (Author)
ID Mirian, Najmeh, Elettra-Sincrotrone Trieste SCpA (Author)
ID Plekan, Oksana, Elettra-Sincrotrone Trieste SCpA (Author)
ID Ressel, Barbara, University of Nova Gorica (Author)
ID Rösner, Benedikt, Paul Scherrer Institut, Villigen-PSI (Author)
ID Simoncig, Alberto, Elettra-Sincrotrone Trieste SCpA (Author)
ID Spampinati, Simone, Elettra-Sincrotrone Trieste SCpA (Author)
ID Štupar, Janez, University of Nova Gorica (Author)
ID Žitnik, Matjaž, J. Stefan Institute (Author)
ID Zangrando, Marco, Istituto Officina dei Materiali, CNR (Author)
ID Callegari, Carlo, Elettra-Sincrotrone Trieste SCpA (Author)
ID Berakdar, Jamal, Institut für Physik, Martin-Luther Universität Halle-Wittenberg (Author)
Files: This document has no files that are freely available to the public. This document may have a physical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:Photons have fixed spin and unbounded orbital angular momentum (OAM). While the former is manifested in the polarization of light, the latter corresponds to the spatial phase distribution of its wavefront1. The distinctive way in which the photon spin dictates the electron motion upon light– matter interaction is the basis for numerous well-established spectroscopies. By contrast, imprinting OAM on a mat- ter wave, specifically on a propagating electron, is gener- ally considered very challenging and the anticipated effect undetectable2. In refs. 3,4, the authors provided evidence of OAM-dependent absorption of light by a bound electron. Here, we seek to observe an OAM-dependent dichroic photo- electric effect, using a sample of He atoms. Surprisingly, we find that the OAM of an optical field can be imprinted coher- ently onto a propagating electron wave. Our results reveal new aspects of light–matter interaction and point to a new kind of single-photon electron spectroscopy.
Keywords:FEL, OAM, Photoelectric effect
Publication version:Version of Record
Year of publishing:2020
Number of pages:554-558
Numbering:vol 14
PID:20.500.12556/RUNG-5787 New window
COBISS.SI-ID:27699459 New window
DOI:https://doi.org/10.1038/s41566-020-0669-y New window
NUK URN:URN:SI:UNG:REP:CDUPGIYX
Publication date in RUNG:09.09.2020
Views:3239
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Record is a part of a journal

Title:Nature Photonics
Publisher:Nature Research (part of Springer Nature)
Year of publishing:2020
ISSN:1749-4885

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:09.09.2020

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