Quantum coherence in photo-ionisation with tailored XUV pulses

  title={Quantum coherence in photo-ionisation with tailored XUV pulses},
  author={Stefanos Carlstrom and Johan Mauritsson and Kenneth J. Schafer and Anne L’Huillier and Mathieu Gisselbrecht},
  journal={Journal of Physics B},
Ionisation with ultrashort pulses in the extreme ultraviolet (XUV) regime can be used to prepare an ion in a superposition of spin-orbit substates. In this work, we study the coherence properties of such a superposition, created by ionising xenon atoms using two phase-locked XUV pulses at different frequencies. In general, if the duration of the driving pulse exceeds the quantum beat period, dephasing will occur. If however, the frequency difference of the two pulses matches the spin-orbit… 

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