Terahertz-Field-Induced Time Shifts in Atomic Photoemission

dc.citation.doi10.1103/PhysRevLett.122.073001
dc.citation.issn0031-9007
dc.citation.issue7
dc.citation.jtitlePhysical Review Letters
dc.citation.volume122
dc.contributor.authorSchmid, Georg
dc.contributor.authorSchnorr, Kirsten
dc.contributor.authorAugustin, Sven
dc.contributor.authorMeister, Severin
dc.contributor.authorLindenblatt, Hannes
dc.contributor.authorTrost, Florian
dc.contributor.authorLiu, Yifan
dc.contributor.authorStojanovic, Nikola
dc.contributor.authorAl-Shemmary, Alaa
dc.contributor.authorGolz, Torsten
dc.contributor.authorTreusch, Rolf
dc.contributor.authorGensch, Michael
dc.contributor.authorKübel, Matthias
dc.contributor.authorFoucar, Lutz
dc.contributor.authorRudenko, Artem
dc.contributor.authorUllrich, Joachim
dc.contributor.authorSchröter, Claus Dieter
dc.contributor.authorPfeifer, Thomas
dc.contributor.authorMoshammer, Robert
dc.date.accessioned2023-12-07T22:38:01Z
dc.date.available2023-12-07T22:38:01Z
dc.date.issued2019-02-19
dc.date.published2019-02-19
dc.description.abstractTime delays for atomic photoemission obtained in streaking or reconstruction of attosecond bursts by interference of two-photon transitions experiments originate from a combination of the quantum mechanical Wigner time and the Coulomb-laser coupling. While the former was investigated intensively theoretically as well as experimentally, the latter attracted less interest in experiments and has mostly been subject to calculations. Here, we present a measurement of the Coulomb-laser coupling-induced time shifts in photoionization of neon at 59.4 eV using a terahertz (THz) streaking field (λ=152 μm). Employing a reaction microscope at the THz beamline of the free-electron laser in Hamburg (FLASH), we have measured relative time shifts of up to 70 fs between the emission of 2p photoelectrons (∼38 eV) and low-energetic (<1 eV) photoelectrons. A comparison with theoretical predictions on Coulomb-laser coupling reveals reasonably good agreement.
dc.identifier.urihttps://hdl.handle.net/2097/44051
dc.relation.urihttps://link.aps.org/doi/10.1103/PhysRevLett.122.073001
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dc.titleTerahertz-Field-Induced Time Shifts in Atomic Photoemission
dc.typeText

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