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Strong Electronic Correlations in Topological Materials II

ORAL · MAR-C21 · ID: 3089454

Presentations

  • Probe spin, valley, and layer degree of freedom in a moiré superlattice

    ORAL

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    Publication: [1] L. Liu, et al., Isospin competitions and valley polarized correlated insulators in twisted double bilayer gra-phene, Nat. Commun. 13, 3297(2022).<br>[2] L. Liu, et al., Quantum oscillations in field-induced correlated insulators of a moiré superlattice, Science Bulletin 68, 1127(2023).<br>[3] L. Liu, et al., Observation of first-order quantum phase transitions and ferromagnetism in twisted double bilayer graphene, Phys. Rev. X 13, 031015(2023).<br>[4] Y. Yuan, et al., Interplay of Landau quantization and interminivalley scatterings in a weakly coupled moiré superlattice, Nano Letters 24, 6722 (2024).<br>[5] J. Zhu, et al., Probing band topology in ABAB and ABBA stacked twisted double bilayer graphene, arXiv:2409.11023 (2024).

    Presenters

    • Wei Yang

      Chinese Academy of Sciences,Institute of Physics

    Authors

    • Wei Yang

      Chinese Academy of Sciences,Institute of Physics

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  • Plasmon Worldlines Reveal Quantum Geometrical Breakdown of Galilean Invariance in Graphene Bilayer

    ORAL

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    Presenters

    • Suheng Xu

      Columbia University

    Authors

    • Suheng Xu

      Columbia University

    • Birui Yang

      Columbia University

    • Nishchhal Verma

      Columbia University

    • Rocco A Vitalone

      Columbia University

    • Miguel Sánchez Sánchez

      Instituto de Ciencia de Materiales de Madrid (ICMM)

    • Julian P Ingham

      Boston University

    • Ran Jing

      Brookhaven National Laboratory, Columbia University

    • Yinming Shao

      Pennsylvania State University, Columbia University, Pennsylvania State University

    • Tobias Stauber

      Consejo Superior de Investigaciones Cientificas (CSIC)

    • Angel Rubio

      Max Planck Institute for the Structure & Dynamics of Matter, Max Planck Institute for the Structure & Dynamics of Matter; Flatiron Institute's Center for Computational Quantum Physics (CCQ) & Initiative for Computational Catalysis (ICC)

    • Milan Delor

      Columbia University, Columbia university

    • Mengkun Liu

      Stony Brook University (SUNY)

    • Michael M Fogler

      University of California, San Diego

    • Cory R Dean

      Columbia University

    • Andrew J Millis

      Columbia University

    • Raquel Queiroz

      Columbia University

    • Dmitri N Basov

      Columbia University

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  • Edge-driven transition between extended quantum anomalous Hall crystal and fractional Chern insulator in rhombohedral graphene multilayers

    ORAL

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    Publication: arXiv:2409.05043

    Presenters

    • Zezhu Wei

      Los Alamos National Laboratory

    Authors

    • Zezhu Wei

      Los Alamos National Laboratory

    • Ang-Kun Wu

      Los Alamos National Laboratory

    • Miguel d Gonçalves

      Princeton Center for Theoretical Science, Los Alamos National Laboratory

    • Shizeng Lin

      Los Alamos National Laboratory (LANL), Los Alamos National Lab, Los Alamos National Laboratory, LANL

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  • Zero-Field Parafermions and Hall Crystals in Moiré Minibands

    ORAL

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    Publication: Hui Liu, Raul Perea-Causin, Emil J. Bergholtz, "Parafermions in Moiré Minibands", arXiv:2406.08546 (2024)<br>Raul Perea-Causin, Hui Liu, Emil J. Bergholtz, "Anomalous Hall crystals in moiré bands with higher Chern number", planned

    Presenters

    • Raul Perea-Causin

      Stockholm University

    Authors

    • Raul Perea-Causin

      Stockholm University

    • Hui Liu

      Department of Physics, Stockholm University, AlbaNova University Center, 10691 Stockholm, Sweden, Stockholm University

    • Emil J. Bergholtz

      Stockholm Univ, Stockholm University

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  • Fractional quantum Hall effect in non-crystalline systems

    ORAL

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    Publication: A. J. Uria-Alvarez et al. (in preparation)<br>J. Schirmann et al (in preparation)

    Presenters

    • Adolfo G Grushin

      Institut Neel

    Authors

    • Adolfo G Grushin

      Institut Neel

    • Alejandro J Uria Alvarez

      Universidad Autonoma de Madrid

    • Cecile Repellin

      Universite Grenoble Alpes

    • Justin Schirmann

      Neel Institute

    • Peru D'Ornellas

      Neel Institute

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  • Constraints on real space representations of Chern bands

    ORAL

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    Publication: arXiv:2407.02561

    Presenters

    • Qingchen Li

      Department of Physics, Harvard University

    Authors

    • Qingchen Li

      Department of Physics, Harvard University

    • Junkai Dong

      Harvard University

    • Patrick J Ledwith

      Harvard University

    • Eslam Khalaf

      Harvard University

    View abstract →

  • Incipient quantum spin Hall insulator under strong correlations

    ORAL

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    Publication: arXiv:2409.07557

    Presenters

    • Peizhi Mai

      University of Illinois at Urbana-Champaign

    Authors

    • Peizhi Mai

      University of Illinois at Urbana-Champaign

    • Jinchao Zhao

      University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign

    • Philip W Phillips

      UIUC, University of Illinois at Urbana-Champaign

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  • Triangular monolayers: Indenene and beyond

    ORAL

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    Publication: [1] M. Bauernfeind, J. Erhardt, P. Eck, et al. Design and realization of topological Dirac fermions on a triangular lattice. Nat Commun 12, 5396 (2021). https://doi.org/10.1038/s41467-021-25627-y<br><br>[2] P. Eck, C. Ortix, A. Consiglio, et al. Real-space obstruction in quantum spin Hall insulators. Phys. Rev. B 106, 195143 (2022) https://doi.org/10.1103/PhysRevB.106.195143<br><br>[3] C. Schmitt, J. Erhardt, P. Eck, et al. Achieving environmental stability in an atomically thin quantum spin Hall insulator via graphene intercalation. Nat Commun 15, 1486 (2024). https://doi.org/10.1038/s41467-024-45816-9<br><br>[4] J. Erhardt, C. Schmitt, P. Eck, et al. Bias-Free Access to Orbital Angular Momentum in Two-Dimensional Quantum Materials. Phys. Rev. Lett. 132, 196401 (2024). https://doi.org/10.1103/PhysRevLett.132.196401<br><br>[5] H. Menke, N. Enderlein, Y.-T. Tseng, et al. Engineering correlated Dirac fermions and flat bands on SiC with transition-metal adatom lattices https://doi.org/10.48550/arXiv.2410.17165

    Presenters

    • Giorgio Sangiovanni

      Julius-Maximilians University of Wuerzburg

    Authors

    • Giorgio Sangiovanni

      Julius-Maximilians University of Wuerzburg

    • Ralph Claessen

      University of Wuerzburg

    • Simon Moser

      University of Wuerzburg

    • Cedric Schmitt

      University of Wuerzburg

    • Jonas Erhardt

      University of Wuerzburg

    • Domenico Di Sante

      University of Bologna

    • Gianni Profeta

      University of l'Aquila

    • Mattia Iannetti

      University of l'Aquila

    View abstract →

  • Interaction-Induced Crystalline Topology of Excitons

    ORAL

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    Publication: H. Davenport, J. Knolle, and F. Schindler, Interaction-Induced Crystalline Topology of Excitons, Phys. Rev. Lett. 133, 176601 (2024)

    Presenters

    • Henry W Davenport

      Imperial College London

    Authors

    • Henry W Davenport

      Imperial College London

    • Johannes Knolle

      Technical University of Munich, TU Munich

    • Frank Schindler

      Imperial College London, Blackett Laboratory, Imperial College London

    View abstract →