• Corpus ID: 119384811

Time-domain theory of atomic photoionization

@article{Xu2018TimedomainTO,
  title={Time-domain theory of atomic photoionization},
  author={Ruihua Xu and Zhaoyan Zhou and Xu Wang},
  journal={arXiv: Atomic Physics},
  year={2018}
}
We present a combined numerical and theoretical study of atomic photoionization in the time domain. We show how a photoelectron wave packet rapidly changes its shape after being emitted, from a complex multi-peak structure to eventually a relatively simple single-peak structure. This time-domain shape evolution provides information beyond the time-dependent average position of the wave packet, which has been used to retrieve the Wigner time delay. For few-cycle laser pulses, the asymptotic… 
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