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  High-order harmonic generation in graphene: Nonlinear coupling of intraband and interband transitions

Sato, S., Hirori, H., Sanari, Y., Kanemitsu, Y., & Rubio, A. (2021). High-order harmonic generation in graphene: Nonlinear coupling of intraband and interband transitions. Physical Review B, 103(4): L041408. doi:10.1103/PhysRevB.103.L041408.

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PhysRevB.103.L041408.pdf (Verlagsversion), 545KB
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PhysRevB.103.L041408.pdf
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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. Open access publication funded by the Max Planck Society.
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The Supplemental Material contains a description of the theoretical modeling used in the main text.
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https://dx.doi.org/10.1103/PhysRevB.103.L041408 (Verlagsversion)
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https://arxiv.org/abs/2010.06275 (Preprint)
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 Urheber:
Sato, S.1, 2, Autor           
Hirori, H.3, Autor
Sanari, Y.3, Autor
Kanemitsu, Y.3, Autor
Rubio, A.2, 4, 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              
3Institute for Chemical Research, Kyoto University, ou_persistent22              
4Center for Computational Quantum Physics (CCQ), Flatiron Institute, ou_persistent22              

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 Zusammenfassung: We investigate high-order harmonic generation (HHG) in graphene with a quantum master equation approach. The simulations reproduce the observed enhancement in HHG in graphene under elliptically polarized light [N. Yoshikawa et al., Science 356, 736 (2017)]. On the basis of a microscopic decomposition of the emitted high-order harmonics, we find that the enhancement in HHG originates from an intricate nonlinear coupling between the intraband and interband transitions that are respectively induced by perpendicular electric field components of the elliptically polarized light. Furthermore, we reveal that contributions from different excitation channels destructively interfere with each other. This finding suggests a path to potentially enhance the HHG by blocking a part of the channels and canceling the destructive interference through band-gap or chemical potential manipulation.

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Sprache(n): eng - English
 Datum: 2020-12-042020-10-132021-01-132021-01-292021-01-15
 Publikationsstatus: Erschienen
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1103/PhysRevB.103.L041408
arXiv: 2010.06275
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Projektname : This work was supported by JSPS KAKENHI Grants No. JP20K14382 and No. JP19H05465, the European Research Council (ERC-2015-AdG694097), the International Collaborative Research Program of Institute for Chemical Research, Kyoto University (Grant No. 2020-13), the Cluster of Excellence “Advanced Imaging of Matter” (AIM), Grupos Consolidados (IT1249-19), and SFB925 “Light induced dynamics and control of correlated quantum systems.” The Flatiron Institute is a division of the Simons Foundation.
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Quelle 1

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Titel: Physical Review B
  Kurztitel : Phys. Rev. B
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Woodbury, NY : American Physical Society
Seiten: - Band / Heft: 103 (4) Artikelnummer: L041408 Start- / Endseite: - Identifikator: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008