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      Double-slit photoelectron interference in strong-field ionization of the neon dimer

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          Abstract

          Wave-particle duality is an inherent peculiarity of the quantum world. The double-slit experiment has been frequently used for understanding different aspects of this fundamental concept. The occurrence of interference rests on the lack of which-way information and on the absence of decoherence mechanisms, which could scramble the wave fronts. Here, we report on the observation of two-center interference in the molecular-frame photoelectron momentum distribution upon ionization of the neon dimer by a strong laser field. Postselection of ions, which are measured in coincidence with electrons, allows choosing the symmetry of the residual ion, leading to observation of both, gerade and ungerade, types of interference.

          Abstract

          The wave nature of light and particles is of interest to the fundamental quantum mechanics. Here the authors show the double-slit interference effect in the strong-field ionization of neon dimers by employing COLTRIMS method to record the momentum distribution of the photoelectrons in the molecular frame

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          Recoil-ion and electron momentum spectroscopy: reaction-microscopes

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            Efficient pseudopotentials for plane-wave calculations

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              Laser-induced electron tunneling and diffraction.

              Molecular structure is usually determined by measuring the diffraction pattern the molecule impresses on x-rays or electrons. We used a laser field to extract electrons from the molecule itself, accelerate them, and in some cases force them to recollide with and diffract from the parent ion, all within a fraction of a laser period. Here, we show that the momentum distribution of the extracted electron carries the fingerprint of the highest occupied molecular orbital, whereas the elastically scattered electrons reveal the position of the nuclear components of the molecule. Thus, in one comprehensive technology, the photoelectrons give detailed information about the electronic orbital and the position of the nuclei.
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                Author and article information

                Contributors
                kunitski@atom.uni-frankfurt.de
                doerner@atom.uni-frankfurt.de
                Journal
                Nat Commun
                Nat Commun
                Nature Communications
                Nature Publishing Group UK (London )
                2041-1723
                2 January 2019
                2 January 2019
                2019
                : 10
                : 1
                Affiliations
                [1 ]ISNI 0000 0004 1936 9721, GRID grid.7839.5, Institut für Kernphysik, , Goethe-Universität Frankfurt am Main, ; Max-von-Laue-Straße 1, 60438 Frankfurt am Main, Germany
                [2 ]ISNI 0000 0001 2163 2777, GRID grid.9122.8, Institut für Theoretische Physik, , Leibniz Universität Hannover, ; Appelstraße 2, 30167 Hannover, Germany
                [3 ]ISNI 0000 0000 9127 4365, GRID grid.159791.2, GSI-Helmholtz Center for Heavy Ion Research, ; Planckstraße 1, 64291 Darmstadt, Germany
                Author information
                http://orcid.org/0000-0002-3728-4268
                Article
                7882
                10.1038/s41467-018-07882-8
                6315036
                30602773
                bea18660-ceb5-4927-9660-9ac0bd4fb050
                © The Author(s) 2019

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 21 April 2018
                : 4 December 2018
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