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  Floquet dynamics in light-driven solids

Nuske, M., Broers, L., Schulte, B., Jotzu, G., Sato, S., Cavalleri, A., et al. (2020). Floquet dynamics in light-driven solids. Physical Review Research, 2(4): 043408. doi:10.1103/PhysRevResearch.2.043408.

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PhysRevResearch.2.043408.pdf (Verlagsversion), 2MB
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PhysRevResearch.2.043408.pdf
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Open Access. - Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
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2020
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https://arxiv.org/abs/2005.10824 (Preprint)
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https://dx.doi.org/10.1103/PhysRevResearch.2.043408 (Verlagsversion)
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Urheber

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 Urheber:
Nuske, M.1, 2, 3, Autor
Broers, L.1, 2, Autor
Schulte, B.4, Autor           
Jotzu, G.5, Autor           
Sato, S.6, 7, Autor           
Cavalleri, A.5, Autor           
Rubio, A.6, 8, Autor           
McIver, J. W.4, Autor           
Mathey, L.1, 2, 3, Autor
Affiliations:
1Zentrum für Optische Quantentechnologien, Universität Hamburg, ou_persistent22              
2Institut für Laserphysik, Universität Hamburg,, ou_persistent22              
3The Hamburg Center for Ultrafast Imaging, ou_persistent22              
4Ultrafast Transport in Quantum Materials, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3185036              
5Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
6Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
7Center for Computational Sciences, University of Tsukuba, ou_persistent22              
8Center for Computational Quantum Physics (CCQ),Flatiron Institute, ou_persistent22              

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 Zusammenfassung: We demonstrate how the properties of light-induced electronic Floquet states in solids impact natural physical observables, such as transport properties, by capturing the environmental influence on the electrons. We include the environment as dissipative processes, such as interband decay and dephasing, often ignored in Floquet predictions. These dissipative processes determine the Floquet band occupations of the emergent steady state, by balancing out the optical driving force. In order to benchmark and illustrate our framework for Floquet physics in a realistic solid, we consider the light-induced Hall conductivity in graphene recently reported by McIver et al. [Nat. Phys. 16, 38 (2020)]. We show that the Hall conductivity is estimated by the Berry flux of the occupied states of the light-induced Floquet bands, in addition to the kinetic contribution given by the average band velocity. Hence, Floquet theory provides an interpretation of this Hall conductivity as a geometric-dissipative effect. We demonstrate this mechanism within a master equation formalism, and obtain good quantitative agreement with the experimentally measured Hall conductivity, underscoring the validity of this approach which establishes a broadly applicable framework for the understanding of ultrafast nonequilibrium dynamics in solids.

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Sprache(n): eng - English
 Datum: 2020-05-272020-12-082020-12-22
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: arXiv: 2005.10824
DOI: 10.1103/PhysRevResearch.2.043408
 Art des Abschluß: -

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Projektname : -
Grant ID : 319286
Förderprogramm : Funding Programme 7 (FP7)
Förderorganisation : European Commission (EC)
Projektname : We acknowledge support from the Deutsche Forschungsgemeinschaft through the SFB 925. This work is supported by the Cluster of Excellence “CUI: Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG) - EXC 2056 - project ID 390715994. The research leading to these results received funding from the European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC Grant Agreement No. 319286 (QMAC). M.N. acknowledges support from Stiftung der Deutschen Wirtschaft. A.R. acknowledge supported by the European Research Council (ERC-2015-AdG694097) and the Flatiron Institute of the Simons Foundation.
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Quelle 1

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Titel: Physical Review Research
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: College Park, Maryland, United States : American Physical Society (APS)
Seiten: - Band / Heft: 2 (4) Artikelnummer: 043408 Start- / Endseite: - Identifikator: ISSN: 2643-1564
CoNE: https://pure.mpg.de/cone/journals/resource/2643-1564