Attosecond dynamics of light-induced resonant hole transfer in 
high-order-harmonic generation

You, J. A.; Dahlström, J. M.; Rohringer, N.

doi:10.1103/PhysRevA.95.023409

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Attosecond dynamics of light-induced resonant hole transfer in high-order-harmonic generation

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You, J. A.
Quantum Optics with X-Rays, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science;

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Rohringer, N.
Quantum Optics with X-Rays, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science;

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https://dx.doi.org/10.1103/PhysRevA.95.023409
(Publisher version)

https://arxiv.org/abs/1710.09957
(Preprint)

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PhysRevA.95.023409.pdf
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Citation

You, J. A., Dahlström, J. M., & Rohringer, N. (2017). Attosecond dynamics of light-induced resonant hole transfer in high-order-harmonic generation. Physical Review A, 95(2): 023409. doi:10.1103/PhysRevA.95.023409.

Cite as: https://hdl.handle.net/21.11116/0000-0001-B4CD-D

Abstract

We present a study of high-order-harmonic generation (HHG) assisted by extreme ultraviolet (XUV) attosecond pulses, which can lead to the excitation of inner-shell electrons and the generation of a second HHG plateau. With the treatment of a one-dimensional model of krypton, based on time-dependent configuration interaction singles (TDCIS) of an effective two-electron system, we show that the XUV-assisted HHG spectrum reveals the duration of the semiclassical electron trajectories. The results are interpreted by the strong-field approximation (SFA) and the importance of the hole transfer during the tunneling process is emphasized. Finally, coherent population transfer between the inner and outer holes with attosecond pulse trains is discussed.