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Showing 1–3 of 3 results
Advanced filters: Author: L. Gallmann Clear advanced filters

  • Significant enhancement of carrier injection into the conduction band is observed for GaAs subjected to intense resonant near-infrared laser pumping. Attosecond-resolved investigation reveals the interplay between the intra- and interband transitions.

    • F. Schlaepfer
    • M. Lucchini
    • U. Keller
    Research
    Nature Physics
    Volume: 14, P: 560-564

  • Ionization time delays are of interest in understanding the photoionization mechanism in atoms and molecules in ultra-short time scales. Here the authors investigate the angular dependence of photoionization time delays in the presence of an autoionizing resonance in argon atom using RABBITT technique.

    • Claudio Cirelli
    • Carlos Marante
    • Ursula Keller
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Experiments with attosecond time resolution reveal many-body electron dynamics in transition metals before thermalization sets in. Ultrafast electronic localization on d orbitals is found to dominate the collective dynamic response of the system.

    • M. Volkov
    • S. A. Sato
    • U. Keller
    Research
    Nature Physics
    Volume: 15, P: 1145-1149