Time-Resolved Ultrafast Interatomic Coulombic Decay in Superexcited Sodium-Doped Helium NanodropletsClick to copy article linkArticle link copied!
- Jakob D. AsmussenJakob D. AsmussenDepartment of Physics and Astronomy, Aarhus University, 8000 Aarhus C, DenmarkMore by Jakob D. Asmussen
- Rupert MichielsRupert MichielsInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Rupert Michiels
- Ulrich BangertUlrich BangertInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Ulrich Bangert
- Nicolas SisouratNicolas SisouratSorbonne Université, CNRS, Laboratoire de Chimie Physique Matière et Rayonnement, 75005 Paris, FranceMore by Nicolas Sisourat
- Marcel BinzMarcel BinzInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Marcel Binz
- Lukas BruderLukas BruderInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Lukas Bruder
- Miltcho DanailovMiltcho DanailovElettra-Sincrotrone Trieste S.C.p.A., 34149 Basovizza TS, ItalyMore by Miltcho Danailov
- Michele Di FraiaMichele Di FraiaElettra-Sincrotrone Trieste S.C.p.A., 34149 Basovizza TS, ItalyMore by Michele Di Fraia
- Raimund FeifelRaimund FeifelDepartment of Physics, University of Gothenburg, 41133 Gothenburg, SwedenMore by Raimund Feifel
- Luca Giannessi
- Oksana Plekan
- Kevin C. PrinceKevin C. PrinceElettra-Sincrotrone Trieste S.C.p.A., 34149 Basovizza TS, ItalyMore by Kevin C. Prince
- Richard J. SquibbRichard J. SquibbDepartment of Physics, University of Gothenburg, 41133 Gothenburg, SwedenMore by Richard J. Squibb
- Daniel UhlDaniel UhlInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Daniel Uhl
- Andreas WituschekAndreas WituschekInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Andreas Wituschek
- Marco ZangrandoMarco ZangrandoElettra-Sincrotrone Trieste S.C.p.A., 34149 Basovizza TS, ItalyMore by Marco Zangrando
- Carlo CallegariCarlo CallegariElettra-Sincrotrone Trieste S.C.p.A., 34149 Basovizza TS, ItalyMore by Carlo Callegari
- Frank StienkemeierFrank StienkemeierInstitute of Physics, University of Freiburg, 79104 Freiburg im Breisgau, GermanyMore by Frank Stienkemeier
- Marcel Mudrich*Marcel Mudrich*[email protected]Department of Physics and Astronomy, Aarhus University, 8000 Aarhus C, DenmarkMore by Marcel Mudrich
Abstract
The autoionization dynamics of superexcited superfluid He nanodroplets doped with Na atoms is studied by extreme-ultraviolet (XUV) time-resolved electron spectroscopy. Following excitation into the higher-lying droplet absorption band, the droplet relaxes into the lowest metastable atomic 1s2s 1,3S states from which interatomic Coulombic decay (ICD) takes place either between two excited He atoms or between an excited He atom and a Na atom attached to the droplet surface. Four main ICD channels are identified, and their decay times are determined by varying the delay between the XUV pulse and a UV pulse that ionizes the initial excited state and thereby quenches ICD. The decay times for the different channels all fall in the range of ∼1 ps, indicating that the ICD dynamics are mainly determined by the droplet environment. A periodic modulation of the transient ICD signals is tentatively attributed to the oscillation of the bubble forming around the localized He excitation.
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