Title: | Auger electron wave packet interferometry on extreme timescales with coherent soft x-rays | Authors: | Usenko, Sergey Schwickert, David Przystawik, Andreas Baev, Karolin Baev, Ivan Braune, Markus Bocklage, Lars Czwalinna, Marie Kristin Deinert, Sascha Düsterer, Stefan Hans, Andreas Hartmann, Gregor Haunhorst, Christian Kuhlmann, Marion Palutke, Steffen Röhlsberger, Ralf Rönsch-Schulenburg, Juliane Puntel Schmidt, Philipp Skruszewicz, Slawomir Toleikis, Sven Viefhaus, Jens Martins, Michael Knie, André Kip, Detlef Laarmann, Tim |
Language: | eng | Issue Date: | Nov-2020 | Publisher: | IOP Publ. | Document Type: | Article | Journal / Series / Working Paper (HSU): | Journal of physics : one of the major international journals in atomic, molecular and optical physics, covering the study of atoms, ion, molecules or clusters, their structure and interactions with particles, photons or fields. B, Atomic, molecular and optical physics | Volume: | 53 | Publisher Place: | Bristol | Abstract: | Wave packet interferometry provides benchmark information on light-induced electronic quantum states by monitoring their relative amplitudes and phases during coherent excitation, propagation, and decay. The relative phase control of soft x-ray pulse replicas on the single-digit attosecond timescale achieved in our experiments makes this method a powerful tool to probe ultrafast quantum phenomena such as the excitation of Auger shake-up states with sub-cycle precision. In this contribution we present first results obtained for different Auger decay channels upon generating L-shell vacancies in argon atoms using Michelson-type all-reflective interferometric autocorrelation at a central free-electron laser photon energy of 274.7 eV. |
Organization Units (connected with the publication): | Experimentalphysik und Materialwissenschaften | ISSN: | 1361-6455 0953-4075 |
Publisher DOI: | 10.1088/1361-6455/abc661 |
Appears in Collections: | 3 - Publication references (without fulltext) |
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