ePrints

Attosecond impulsive stimulated X-ray Raman scattering in liquid water

Lookup NU author(s): Professor Thomas Penfold

Downloads

• Published version [.pdf]

Licence

This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

We report the measurement of impulsive stimulated x-ray Raman scattering in neutral liquid water. An attosecond pulse drives the excitations of an electronic wavepacket in water molecules. The process comprises two steps: a transition to core-excited states near the oxygen atoms accompanied by transition to valence-excited states. Thus, the wavepacket is impulsively created at a specific atomic site within a few hundred attoseconds through a nonlinear interaction between the water and the x-ray pulse. We observe this nonlinear signature in an intensity-dependent Stokes Raman sideband at 526 eV. Our measurements are supported by our state-of-the-art calculations based on the polarization response of water dimers in bulk solvation and propagation of attosecond x-ray pulses at liquid density.

Publication metadata

Author(s): Alexander O, Egun F, Rego L, Martinez-Gutierrez A, Garratt D, Cardenes GA, Nogueira JJ, Lee JP, Zhao K, Wang R-P, Ayuso D, Barnard JCT, Beauvarlet S, Bucksbaum PH, Cesar D, Coffee R, Duris J, Frasinski LJ, Huse N, Kowalczyk KM, Larsen KA, Matthews M, Mukamel S, O'Neal JT, Penfold TJ, Thierstein E, Tisch JWG, Turner JR, Vogwell J, Driver T, Berrah N, Lin M-F, Dakovski GL, Moeller SP, Cryan JP, Marinelli A, Picón A, Marangos JP

Publication type: Article

Publication status: Published

Journal: Science Advances

Year: 2024

Volume: 10

Issue: 39

Online publication date: 25/09/2024

Acceptance date: 21/08/2024

Date deposited: 30/09/2024

ISSN (electronic): 2375-2548

Publisher: American Association for the Advancement of Science (AAAS)

URL: https://doi.org/10.1126/sciadv.adp0841

DOI: 10.1126/sciadv.adp0841

Data Access Statement: Tabulated data are available in the Dryad open access repository, https://doi.org/10.5061/dryad.dv41ns26m. All other data needed to evaluate the conclusions in this paper are present in the paper and/or the Supplementary Materials.

Altmetrics

Funding

Share