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  Attosecond correlated electron dynamics at C60 giant plasmon resonance

Biswas, S., Trabattoni, A., Rupp, P., Magrakvelidze, M., Madjet, M.-E.-A., de Giovannini, U., et al. (2021). Attosecond correlated electron dynamics at C60 giant plasmon resonance.

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2111.14464.pdf (Preprint), 2MB
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https://arxiv.org/abs/2111.14464 (Preprint)
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 Creators:
Biswas, S.1, 2, Author
Trabattoni, A.3, Author
Rupp, P.1, 2, Author
Magrakvelidze, M.4, 5, Author
Madjet, M. E.-A.5, 6, Author
de Giovannini, U.7, Author              
Castrovilli, M. C.8, 9, Author
Galli, M.3, 10, Author
Liu, Q.1, 2, Author
Månsson, E. P.3, Author
Schötz, J.1, 2, Author
Wanie, V.3, Author
Légaré, F.11, Author
Wnuk, P.1, 2, Author
Nisoli, M.8, 10, Author
Rubio, A.7, 12, Author              
Chakraborty, H. S.5, Author
Kling, M. F.13, 14, Author
Calegari, F.3, 8, 15, 16, Author
Affiliations:
1Max Planck Institute of Quantum Optics, ou_persistent22              
2Department of Physics, Ludwig-Maximilians-Universität München, ou_persistent22              
3Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, ou_persistent22              
4Science Department, Cabrini University, ou_persistent22              
5Department of Natural Sciences, D.L. Hubbard Center for Innovation, ou_persistent22              
6Bremen Center for Computational Materials Science, University of Bremen, ou_persistent22              
7Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
8Institute for Photonics and Nanotechnologies CNR-IFN, ou_persistent22              
9Istituto Struttura della Materia, ISM-CNR, ou_persistent22              
10Department of Physics, Politecnico di Milano, ou_persistent22              
11Institut National de la Recherche Scientifique, ou_persistent22              
12Center for Computational Quantum Physics (CCQ), The Flatiron Institute, ou_persistent22              
13SLAC National Laboratory, ou_persistent22              
14Applied Physics Department, Stanford University, ou_persistent22              
15The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, ou_persistent22              
16Physics Department, University of Hamburg, ou_persistent22              

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Free keywords: Physics, Atomic Physics, physics.atom-ph, Physics, Optics, physics.optics,Quantum Physics, quant-ph
 Abstract: Fullerenes have unique physical and chemical properties that are associated with their delocalized conjugated electronic structure. Among them, there is a giant ultra-broadband - and therefore ultrafast - plasmon resonance, which for C60 is in the extreme-ultraviolet energy range. While this peculiar resonance has attracted considerable interest for the potential downscaling of nanoplasmonic applications such as sensing, drug delivery and photocatalysis at the atomic level, its electronic character has remained elusive. The ultrafast decay time of this collective excitation demands attosecond techniques for real-time access to the photoinduced dynamics. Here, we uncover the role of electron correlations in the giant plasmon resonance of C60 by employing attosecond photoemission chronoscopy. We find a characteristic photoemission delay of up to 200 attoseconds pertaining to the plasmon that is purely induced by coherent large-scale correlations. This result provides novel insight into the quantum nature of plasmonic resonances, and sets a benchmark for advancing nanoplasmonic applications.

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Language(s): eng - English
 Dates: 2021-11-29
 Publication Status: Published online
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: arXiv: 2111.14464
 Degree: -

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