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physics.atom-ph2022★ 5 cited
Ionic Coherence in Resonant Above-Threshold Attosecond Ionization Spectroscopy
Saad Mehmood, Eva Lindroth, Luca Argenti
The ionization of atoms with sequences of attosecond pulses gives rise to excited ionic states that are entangled with the emitted photoelectron. Still, the ionic ensemble preserve…
physics.atom-ph2020★ 3 cited
Coherent control of an Helium-Ion ensemble
Saad Mehmood, Eva Lindroth, Luca Argenti
Attosecond pulses can ionize atoms in a coherent process. Since the emerging fragments are entangled, however, each preserves only a fraction of the initial coherence, thus limitin…
physics.atom-ph2019
Control of the Ion Polarization in the Pump-Probe Ionization of Helium
Saad Mehmood, Eva Lindroth, Luca Argenti
Attosecond pump-probe ionization process can be used to prepare atomic ions in the coherent superposition of states with opposite parity. The multiphoton shake-up ionization of Hel…