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  Nonlinear electric conductivity and THz-induced charge transport in graphene

Sato, S., & Rubio, A. (2021). Nonlinear electric conductivity and THz-induced charge transport in graphene. New Journal of Physics, 23: 063047. doi:10.1088/1367-2630/ac03d0.

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Sato_2021_New_J._Phys._23_063047.pdf (Verlagsversion), 3MB
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Sato_2021_New_J._Phys._23_063047.pdf
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Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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© The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft

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https://dx.doi.org/10.1088/1367-2630/ac03d0 (Verlagsversion)
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https://arxiv.org/abs/2103.11969 (Preprint)
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 Urheber:
Sato, S.1, 2, Autor           
Rubio, A.2, 3, Autor           
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              
3Center for Computational Quantum Physics (CCQ), Flatiron Institute, ou_persistent22              

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 Zusammenfassung: Based on the quantum master equation approach, the nonlinear electric conductivity of graphene is investigated under static electric fields for various chemical potential shifts. The simulation results show that, as the field strength increases, the effective conductivity is firstly suppressed, reflecting the depletion of effective carriers due to the large displacement in the Brillouin zone caused by the strong field. Then, as the field strength exceeds 1 MV m−1, the effective conductivity increases, overcoming the carrier depletion via the Landau–Zener tunneling process. Based on the nonlinear behavior of the conductivity, the charge transport induced by few-cycle THz pulses is studied to elucidate the ultrafast control of electric current in matter.

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Sprache(n): eng - English
 Datum: 2021-05-152021-04-062021-05-212021-06-17
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1088/1367-2630/ac03d0
arXiv: 2103.11969
 Art des Abschluß: -

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Projektname : his work was supported by JSPS KAKENHI Grant Number JP20K14382, the European Research Council (ERC-2015-AdG694097), the Cluster of Excellence ’Advanced Imaging of Matter’ (AIM), Grupos Consolidados (IT1249-19) and SFB925 ‘Light induced dynamics and control of correlated quantum systems’. We thank Enago for the English language review. The Flatiron Institute is a division of the Simons Foundation.
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Quelle 1

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Titel: New Journal of Physics
  Kurztitel : New J. Phys.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Bristol : IOP Publishing
Seiten: - Band / Heft: 23 Artikelnummer: 063047 Start- / Endseite: - Identifikator: ISSN: 1367-2630
CoNE: https://pure.mpg.de/cone/journals/resource/954926913666