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Attosecond dynamics of light-induced resonant hole transfer in high-order-harmonic generation
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 3
2017 (English)In: Physical Review A, ISSN 2469-9926, Vol. 95, no 2, 023409Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2017. Vol. 95, no 2, 023409
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-142596DOI: 10.1103/PhysRevA.95.023409ISI: 000393851600007OAI: oai:DiVA.org:su-142596DiVA: diva2:1092701
Available from: 2017-05-03 Created: 2017-05-03 Last updated: 2017-05-03Bibliographically approved

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