Photoelectron spectra in an autoionization system interacting with a neighboring atom

Abstract

Photoelectron ionization spectra of an autoionization system with one discrete level interacting with a neighbor two-level atom are discussed. The formula for long-time ionization spectra is derived. According to this formula, the spectra can be composed of up to eight peaks. Moreover, the Fano-like zeros for weak optical pumping have been identified in these spectra. The conditional ionization spectra depending on the state of the neighbor atom exhibit oscillations at the Rabi frequency. Dynamical spectral zeros occurring once per the Rabi period have been revealed in these spectra.

10 pages, 13 figures

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• Entanglement between an auto-ionization system and a neighbor atom
• Long-time joint spectra and entanglement of two photoelectrons originating in interacting auto-ionization systems