Atomic coherence effects in few-cycle pulse induced ionization*

  • Viktor AyadiEmail author
  • Mihály G. Benedict
  • Péter Dombi
  • Péter Földi
Regular Article
Part of the following topical collections:
  1. Topical Issue: Physics of Ionized Gases (SPIG 2016)


The interaction of a short, few-cycle light pulse and an atom which is prepared initially in a superposition of two stationary states is shown to exhibit strong signatures of atomic coherence. For a given waveform of the laser pulse, appropriate quantum mechanical relative phase between the constituents of the initial superposition can increase the ionization probability by a factor of three. A similarly strong effect can be observed when the waveform of the ionizing pulse is changed. These results allow for intuitive explanations, which are in agreement with the numerical integration of the time dependent Schrödinger equation. A detailed analysis shows that the verification our findings is feasible experimentally.

Graphical abstract


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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Viktor Ayadi
    • 1
    Email author
  • Mihály G. Benedict
    • 2
  • Péter Dombi
    • 1
    • 3
  • Péter Földi
    • 2
    • 3
  1. 1.MTA “Lendület” Ultrafast Nanooptics Group, Wigner Research Centre for Physics, Konkoly-Thege M. út 29-33BudapestHungary
  2. 2.Department of Theoretical Physics, University of SzegedSzegedHungary
  3. 3.ELI-ALPS, ELI-HU Non-profit Ltd., Dugonics tér 13SzegedHungary

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