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  Quantum correlation of electron and ion energy in the dissociative strong-field ionization of H2

Geyer, A., Neufeld, O., Trabert, D., de Giovannini, U., Hofmann, M., Anders, N., et al. (2023). Quantum correlation of electron and ion energy in the dissociative strong-field ionization of H2. Physical Review Research, 5(1): 013123. doi:10.1103/PhysRevResearch.5.013123.

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2023
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© the Author(s). Published by the American Physical Society

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 Creators:
Geyer, A.1, Author
Neufeld, O.2, 3, Author           
Trabert, D.1, Author
de Giovannini, U.2, 3, 4, Author           
Hofmann, M.1, Author
Anders, N.1, Author
Sarkadi, L.5, Author
Schöffler, M. S.1, Author
Schmidt, L. Ph. H.1, Author
Rubio, A.2, 3, 6, Author           
Jahnke, T.7, Author
Kunitski, M.1, Author
Eckart, S.1, Author
Affiliations:
1Institut für Kernphysik, Goethe-Universität, ou_persistent22              
2Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
3Center for Free-Electron Laser Science, ou_persistent22              
4Università degli Studi di Palermo, Dipartimento di Fisica e Chimica - Emilio Segrè, ou_persistent22              
5Institute for Nuclear Research (ATOMKI), ou_persistent22              
6Center for Computational Quantum Physics (CCQ), The Flatiron Institute, ou_persistent22              
7European XFEL, ou_persistent22              

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 Abstract: We report on the strong field ionization of H2 by a corotating two-color laser field. We measure the electron momentum distribution in coincidence with the kinetic energy release (KER) of dissociating hydrogen molecules. In addition to a characteristic half-moon structure, we observe a low-energy structure in the electron momentum distribution at a KER of about 3.5 eV. We speculate that the outgoing electron interacts with the molecular ion, despite the absence of classical recollisions under these conditions. Time-dependent density functional theory simulations support our conclusions.

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Language(s): eng - English
 Dates: 2022-05-122023-01-202023-02-16
 Publication Status: Published online
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevResearch.5.013123
 Degree: -

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Project name : The experimental work was supported by the DFG (German Research Foundation). We thank Reinhard Dörner for his support and fruitful discussions. O.N. gratefully acknowledges the support of the Alexander von Humboldt Foundation, and a Schmidt Science Fellowship. O.N., U.G., and A.R. acknowledge financial support from the European Research Council (ERC-2015-AdG-694097). The Flatiron Institute is a division of the Simons Foundation. This work was supported by the Cluster of Excellence Advanced Imaging of Matter (AIM), Grupos Consolidados (IT1249-19), and SFB925. L.S. acknowledges financial support from the Hungarian Scientific Research Fund (Grant No. K128621), the National Research, Development, and Innovation Office (Grant No. 2018-1.2.1-NKP-2018-00010), and the National Information Infrastructure Development Program. S.E. acknowledges funding of the DFG through Priority Programme SPP 1840 QUTIF.
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Title: Physical Review Research
Source Genre: Journal
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Publ. Info: College Park, Maryland, United States : American Physical Society (APS)
Pages: - Volume / Issue: 5 (1) Sequence Number: 013123 Start / End Page: - Identifier: ISSN: 2643-1564
CoNE: https://pure.mpg.de/cone/journals/resource/2643-1564