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@ARTICLE{Mondal:599878,
      author       = {Mondal, Angana and Neufeld, Ofer and Yin, Zhong and
                      Nourbakhsh, Zahra and Svoboda, Vít and Rubio, Angel and
                      Tancogne-Dejean, Nicolas and Woerner, Hans Jakob},
      title        = {{H}igh-harmonic spectroscopy of low-energy
                      electron-scattering dynamics in liquids},
      journal      = {Nature physics},
      volume       = {19},
      number       = {12},
      issn         = {1745-2473},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {PUBDB-2023-07577},
      pages        = {1813 - 1820},
      year         = {2023},
      abstract     = {High-harmonic spectroscopy is an all-optical nonlinear
                      technique with inherent attosecond temporal resolution. It
                      has been applied to a variety of systems in the gas phase
                      and solid state. Here we extend its use to liquid samples.
                      By studying high-harmonic generation over a broad range of
                      wavelengths and intensities, we show that the cut-off energy
                      is independent of the wavelength beyond a threshold
                      intensity and that it is a characteristic property of the
                      studied liquid. We explain these observations with a
                      semi-classical model based on electron trajectories that are
                      limited by the electron scattering. This is further
                      confirmed by measurements performed with elliptically
                      polarized light and with ab-initio time-dependent density
                      functional theory calculations. Our results propose
                      high-harmonic spectroscopy as an all-optical approach for
                      determining the effective mean free paths of slow electrons
                      in liquids. This regime is extremely difficult to access
                      with other methodologies, but is critical for understanding
                      radiation damage to living tissues. Our work also indicates
                      the possibility of resolving subfemtosecond electron
                      dynamics in liquids offering an all-optical approach to
                      attosecond spectroscopy of chemical processes in their
                      native liquid environment.},
      cin          = {MPSD / CFEL-MPT},
      ddc          = {530},
      cid          = {I:(DE-H253)MPSD-20120731 / I:(DE-H253)CFEL-MPT-20160915},
      pnm          = {899 - ohne Topic (POF4-899) / DFG project
                      G:(GEPRIS)194651731 - EXC 1074: Hamburger Zentrum für
                      ultraschnelle Beobachtung (CUI): Struktur, Dynamik und
                      Kontrolle von Materie auf atomarer Skala (194651731) / DFG
                      project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced
                      Imaging of Matter (390715994)},
      pid          = {G:(DE-HGF)POF4-899 / G:(GEPRIS)194651731 /
                      G:(GEPRIS)390715994},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:38075436},
      UT           = {WOS:001077377600002},
      doi          = {10.1038/s41567-023-02214-0},
      url          = {https://bib-pubdb1.desy.de/record/599878},
}