Competing pairing propensities in twisted bilayer graphene

ORAL

Abstract

We employ a synopsis of random phase approximation (RPA) and functional renormalization group (fRG) to investigate twisted bilayer graphene based on a two-orbital effective model on the honeycomb lattice. Exploiting the ability of N-patch fRG to resolve the harmonic composition of a given superconducting instability channel, we develop a detailed profile of electronically mediated unconventional superconducting instabilities in twisted bilayer graphene, and highlight experimental signatures to distinguish between the resulting possible scenarios.

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Presenters

  • Xianxin Wu

    Institute for Theoretical Physics and Astrophysics, University of Wuerzburg, Physics, University of Wurzburg, Institute for Theoretical Physics and Astrophysics, Julius-Maximilians University of Wurzburg, Am Hubland, D-97074 Wurzburg, Germany, Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg, Institute of Physics, Chinese Academy of Sciences, Univ of Wuerzburg, Institute for Theoretical Physics, University of Wuerzburg, Univ of Wurzburg

Authors

  • Xianxin Wu

    Institute for Theoretical Physics and Astrophysics, University of Wuerzburg, Physics, University of Wurzburg, Institute for Theoretical Physics and Astrophysics, Julius-Maximilians University of Wurzburg, Am Hubland, D-97074 Wurzburg, Germany, Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg, Institute of Physics, Chinese Academy of Sciences, Univ of Wuerzburg, Institute for Theoretical Physics, University of Wuerzburg, Univ of Wurzburg

  • mario Fink

    Institute for Theoretical Physics and Astrophysics, University of Wuerzburg, Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg

  • Michael Klett

    Institute for theoretical physics, University of Wuerzburg, Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg, Institute for Theoretical Physics, University of Wuerzburg

  • Tim Wehling

    Institute for Theoretical Physics, Bremen Center for Computational Material Science, University of Bremen, University of Bremen

  • Werner R Hanke

    Institute for Theoretical Physics and Astrophysics, University of Wuerzburg, Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg

  • Ronny Thomale

    Institute for Theoretical Physics and Astrophysics, University of Wuerzburg, University of Wurzburg, Institute for theoretical physics, University of Wuerzburg, Institute for Theoretical Physics and Astrophysics, University Wuerzburg, Institut für Theoretische Physik und Astrophysik, Julius-Maximilians-Universität Würzburg, Univ of Wuerzburg, Institute for Theoretical Physics and Astrophysics, University of Würzburg, Institute for Theoretical Physics, University of Wuerzburg, Univ of Wurzburg