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Fano resonances observed in helium nanodroplets

Doubly excited Rydberg states of helium (He) have been studied in nanodroplets using synchrotron radiation. Although qualitatively similar to their atomic counterparts, the Fano resonances in droplets are broader and exhibit blueshifts which increase for the higher excited states. However, varying t...

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Main Authors: LaForge, Aaron (Author) , Regina, D. (Author) , Jabbari, Ghazal (Author) , Gokhberg, Kirill (Author) , Kryzhevoi, Nikolai V. (Author) , Krishnan, S. R. (Author) , Hess, M. (Author) , O'Keeffe, P. (Author) , Ciavardini, A. (Author) , Prince, K. C. (Author) , Richter, R. (Author) , Stienkemeier, F. (Author) , Cederbaum, L. S. (Author) , Pfeifer, T. (Author) , Moshammer, R. (Author) , Mudrich, M. (Author)
Format: Article (Journal)
Language:English
Published: 10 May 2016
In: Physical review
Year: 2016, Volume: 93, Issue: 5, Pages: 1-4
ISSN:2469-9934
DOI:10.1103/PhysRevA.93.050502
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.93.050502
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.93.050502
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Author Notes:A. C. LaForge, D. Regina, G. Jabbari, K. Gokhberg, N. V. Kryzhevoi, S. R. Krishnan, M. Hess, P. O'Keeffe, A. Ciavardini, K. C. Prince, R. Richter, F. Stienkemeier, L. S. Cederbaum, T. Pfeifer, R. Moshammer, and M. Mudrich
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Summary:Doubly excited Rydberg states of helium (He) have been studied in nanodroplets using synchrotron radiation. Although qualitatively similar to their atomic counterparts, the Fano resonances in droplets are broader and exhibit blueshifts which increase for the higher excited states. However, varying the droplet size hardly affects the shapes of the resonances. Furthermore, additional dipole-forbidden resonances appear which are not seen in the He atom. We discuss these features in terms of localized atomic states perturbed by the surrounding He atoms.
Item Description:Gesehen am 08.06.2020
Physical Description:Online Resource
ISSN:2469-9934
DOI:10.1103/PhysRevA.93.050502

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