Molecular-dynamics simulations of atomic ionization by strong laser fields

D. A. Wasson, S. E. Koonin

Research output: Contribution to journalArticlepeer-review


We use molecular-dynamics simulations to study the competition between sequential and collective ionization in low-Z atoms by strong laser fields. The model shows sequential ionization at low fields, changing to collective ionization at large fields. The field strength at which this occurs is lower for higher frequencies. We also study the ionization as a function of pulse length and find that collective ionization is favored for shorter pulses.

Original languageEnglish (US)
Pages (from-to)5676-5685
Number of pages10
JournalPhysical Review A
Issue number11
StatePublished - 1989

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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