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Journal Article

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

MPS-Authors
/persons/resource/persons261477

Neufeld,  O.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science;

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de Giovannini,  U.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science;
Università degli Studi di Palermo, Dipartimento di Fisica e Chimica - Emilio Segrè;

/persons/resource/persons22028

Rubio,  A.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science;
Center for Computational Quantum Physics (CCQ), The Flatiron Institute;

External Resource

https://doi.org/10.1103/PhysRevResearch.5.013123
(Publisher version)

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PhysRevResearch.5.013123.pdf
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Citation

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.


Cite as: https://hdl.handle.net/21.11116/0000-000C-A38A-0
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.