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Zimmermann, T.; Landsman, A. S.; Lucchini, M.; Ludwig, A.; Kasmi, L.; Herrmann, J.; Gallmann, L.; Scrinzi, A. und Keller, U. (2015): Theoretical analysis of attosecond quantum beat spectroscopy of helium excited states. In: Xxix International Conference On Photonic, Electronic, and Atomic Collisions (Icpeac2015),Pts 1-12, Bd. 635, 092141

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Abstract

Photoelectron spectra measured in the attosecond quantum beat spectroscopy experiment on helium were computed solving the single-electron time-dependent Schrdinger equation. Final momenta of photoelectrons were obtained from the probability flux at the boundary of the simulation region using the time-dependent surface flux (t-SURFF) method [1]. Reaching a very good agreement with the experimental results, simulations allow for deeper understanding of processes underlying the quantum beating, which-way interference and polarization of the excited state.

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