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  Microscopic theory for the light-induced anomalous Hall effect in graphene

Sato, S., McIver, J. W., Nuske, M., Tang, P., Jotzu, G., Schulte, B., et al. (2019). Microscopic theory for the light-induced anomalous Hall effect in graphene. Physical Review B, 99(21): 214302. doi:10.1103/PhysRevB.99.214302.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-9C0D-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-B7F6-8
Genre: Journal Article

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PhysRevB.99.214302.pdf (Publisher version), 2MB
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2019
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© American Physical Society

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https://arxiv.org/abs/1905.04508 (Preprint)
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https://dx.doi.org/10.1103/PhysRevB.99.214302 (Publisher version)
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 Creators:
Sato, S.1, 2, Author              
McIver, J. W.3, Author              
Nuske, M.4, Author
Tang, P.2, Author              
Jotzu, G.3, Author              
Schulte, B.3, Author              
Hübener, H.2, Author              
de Giovannini, U.2, Author              
Mathey, L.4, 5, Author
Sentef, M. A.6, Author              
Cavalleri, A.3, Author              
Rubio, A.2, 7, Author              
Affiliations:
1Center for Computational Sciences, University of Tsukuba, ou_persistent22              
2Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
3Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
4Zentrum für Optische Quantentechnologien and Institut für Laserphysik, Universität Hamburg, ou_persistent22              
5The Hamburg Centre for Ultrafast Imaging, University of Hamburg, ou_persistent22              
6Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              
7Center for Computational Quantum Physics (CCQ), Flatiron Institute, ou_persistent22              

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 Abstract: We employ a quantum Liouville equation with relaxation to model the recently observed anomalous Hall effect in graphene irradiated by an ultrafast pulse of circularly polarized light. In the weak-field regime, we demonstrate that the Hall effect originates from an asymmetric population of photocarriers in the Dirac bands. By contrast, in the strong-field regime, the system is driven into a nonequilibrium steady state that is well described by topologically nontrivial Floquet-Bloch bands. Here, the anomalous Hall current originates from the combination of a population imbalance in these dressed bands together with a smaller anomalous velocity contribution arising from their Berry curvature. This robust and general finding enables the simulation of electrical transport from light-induced Floquet-Bloch bands in an experimentally relevant parameter regime and creates a pathway to designing ultrafast quantum devices with Floquet-engineered transport properties.

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Language(s): eng - English
 Dates: 2019-01-202019-06-102019-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: arXiv: 1905.04508
DOI: 10.1103/PhysRevB.99.214302
 Degree: -

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Project name : This work was supported by the European Research Council (ERC-2015-AdG694097) and the Deutsche Forschungsgemeinschaft through the SFB 925. The Flatiron Institute is a division of the Simons Foundation. S.A.S. gratefully acknowledges the fellowship from the Alexander von Humboldt Foundation. M.A.S. acknowledges financial support by the DFG through the Emmy Noether program (SE 2558/2-1). P.T. acknowledges the received funding from the European Unions Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement No 793609. M.N. acknowledges support from Stiftung der Deutschen Wirtschaft. L.M., A.R., and A.C. acknowledge support from the Cluster of Excellence Advanced Imaging of Matter (AIM).
Grant ID : 793609
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

Source 1

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 99 (21) Sequence Number: 214302 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008