Ultrafast nuclear dynamics in double-core-ionized water molecules

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.

• Publication year

  2024

• Venue

  Physical Review A

• Publication date

  2024-02-05

• Fields of study

  Physics, Chemistry

• Identifiers
  DOI 10.1103/physreva.110.013108arXiv 2402.02988
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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