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Journal Article

Ultrafast nuclear dynamics in double-core-ionized water molecules

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Trinter,  Florian       
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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2402.02988.zip
(Preprint), 978KB

PhysRevA.110.013108.pdf
(Publisher version), 862KB

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Citation

Ismail, I., Inhester, L., Marchenko, T., Trinter, F., Verma, A., De Fanis, A., et al. (2024). Ultrafast nuclear dynamics in double-core-ionized water molecules. Physical Review A, 110(1): 013108. doi:10.1103/PhysRevA.110.013108.


Cite as: https://hdl.handle.net/21.11116/0000-000F-8E52-5
Abstract
Double-core-hole (DCH) states in isolated water and heavy water molecules, resulting from the sequential absorption of two x-ray photons, have been investigated. A comparison of the subsequent Auger emission spectra from the two isotopes provides direct evidence of ultrafast nuclear motion during the 1.5 fs lifetime of these DCH states. Our numerical results align well with the experimental data, providing for various DCH states an in-depth study of the dynamics responsible of the observed isotope effect.