Can strong-field ionization prepare attosecond dynamics?
arXiv:1506.08929 · doi:10.1103/PhysRevA.93.023412
Abstract
Strong-field ionization (SFI) has been shown to prepare wave packets with few-femtosecond periods. Here, we explore whether this technique can be extended to the attosecond time scale. We introduce an intuitive model for predicting the bandwidth of ionic states that can be coherently prepared by SFI. This bandwidth is given by the Fourier-transformed sub-cycle SFI rate and decreases considerably with increasing central wavelength of the ionizing pulse. Many-body calculations based on time-dependent configuration-interaction singles (TDCIS) quantitatively support this result and reveal an additional decrease of the bandwidth as a consequence of channel interactions and non-adiabatic dynamics. Our results further predict that multi-cycle femtosecond pulses can coherently prepare attosecond wave packets with higher selectivity and versatility compared to single-cycle pulses.
5 pages, 4 figures
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- Coherence from multiorbital tunneling ionization of molecules
- Probing Vibronic Coherence in Charge Migration of Molecules Using Strong Field Sequential Double Ionization
- Characterization of attosecond pulses in the soft x-ray regime
- Ionic Coherence in Resonant Above-Threshold Attosecond Ionization Spectroscopy
- Rydberg Atomic Antenna in Strongly Driven Multi-Electron Atoms
- Coherent control of an Helium-Ion ensemble
- Entanglement Transfer in a Composite Electron-Ion-Photon System
- Pulse analysis by delayed absorption from a coherently excited atom
- Nonadiabatic theory for subcycle ionic dynamics in multielectron tunneling ionization