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Showing 1–6 of 6 results
Advanced filters: Author: M. Kunitski Clear advanced filters

  • Ultrafast laser pulses are useful to study electron dynamics in chemical bonds, but their influence on bond breaking is not fully understood. Wu et al. study H2 bond breaking with coincidence techniques, and find a phase-dependent anisotropy of the H+fragmentation even for isotropic multicycle laser pulses.

    • J. Wu
    • M. Magrakvelidze
    • R. Dörner
    Research
    Nature Communications
    Volume: 4, P: 1-6

  • Molecules in intense laser fields have enhanced multiple ionization rates, caused by the ionic core and laser fields acting on the part of the molecule in the up-field. Here, direct proof of this model is presented by studying the instantaneous effect of the field direction during double ionization in ArXe.

    • J. Wu
    • M. Meckel
    • R. Dörner
    Research
    Nature Communications
    Volume: 3, P: 1-5

  • Helium is an atom of great scientific interest, yet much debate exists surrounding the shape its molecules form. Here Voigtsberger et al. present experimental results imaging the wavefuction of 4He3 and 3He4He2 trimer systems, which suggest that 4He3 is a random cloud while 3He4He2is a quantum halo state.

    • J. Voigtsberger
    • S. Zeller
    • R. Dörner
    Research
    Nature Communications
    Volume: 5, P: 1-6

  • Visualizing the structural dynamics of isolated molecules would help to understand chemical reactions, but this is difficult for complex structures. Intense femtosecond X-ray pulses allow the full imaging of exploding photoionized molecules, in this case, with eleven atoms.

    • Rebecca Boll
    • Julia M. Schäfer
    • Till Jahnke
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 423-428

  • Light-matter interaction leading to photoelectron emission via the photoelectric effect illustrates the quantum nature of light. Here, the authors report the dependence of the photoelectron’s Wigner time delay on the photoelectron’s emission direction relative to the molecular axis of hydrogen in strong field tunnel-ionization.

    • D. Trabert
    • S. Brennecke
    • S. Eckart
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Experiments with two counter-propagating laser beams report the observation that the photon momentum is shared between the electron and parent ion in strong-field ionization, which results from the photon’s magnetic field acting on the electron.

    • A. Hartung
    • S. Eckart
    • R. Dörner
    Research
    Nature Physics
    Volume: 15, P: 1222-1226