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Showing 1–4 of 4 results
Advanced filters: Author: Michael Klaiber Clear advanced filters

  • Low-energy structures (LES) in the photoelectron momentum distribution, typically observed in linearly polarized tunneling ionization, are caused by Coulomb effects. The authors demonstrate that the LES induced by specific recollisions persists at any laser ellipticity, provided the nonadiabatic regime is reached with sufficiently large nonadiabaticity.

    • Qingzheng Lv
    • Michael Klaiber
    • Christoph H. Keitel
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-9

  • This work investigates the origin of time delay in strong field tunneling ionization and its relation to the parameters of the photoelectron wavepacket. The authors establish a general analytical relationship between the phase of the wavepacket and the tunneling rate, and analyze the role of under-the-barrier recollisions for shaping the photoelectron wavepacket.

    • Michael Klaiber
    • Karen Z. Hatsagortsyan
    • Christoph H. Keitel
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-9