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Non-equilibrium and equilibrium current distributions in Chern insulators

INVITED · W36 · ID: 785107

Presentations

  • Exchange-bias-driven and Interaction-driven Quantum Anomalous Hall Effect in Topological Insulator Heterostructures

    ORAL · Invited

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    Publication: [1] Cui-Zu Chang, Chao-Xing Liu, Allan H. MacDonald, Colloquium: Quantum anomalous Hall effect, arXiv:2202.13902, 2022. (Accepted by Review of Modern Physics)<br>[2] Fu H, Liu C X, Yan B. Exchange bias and quantum anomalous Hall effect in the MnBi2Te4/CrI3 heterostructure[J]. Science advances, 2020, 6(10): eaaz0948.<br>[3] Kaijie Yang, Zian Xu, Yanjie Feng, Frank Schindler, Yuanfeng Xu, Zhen Bi, B. Andrei Bernevig, Peizhe Tang, and Chao-Xing Liu, Z2 nontrivial Moire minibands and interaction-driven Quantum Anomalous Hall insulators in Topological Insulator based Moire Heterostructures, in preparation

    Presenters

    • Chaoxing Liu

      Pennsylvania State University, Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, USA, Department of Physics, The Pennsylvania State University

    Authors

    • Chaoxing Liu

      Pennsylvania State University, Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, USA, Department of Physics, The Pennsylvania State University

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  • When we drive a current through a quantum anomalous Hall insulator, where does it flow? A view informed by measuring a spatial variation of potential in the presence of weak dissipation

    ORAL · Invited

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    Publication: Measured potential profile in a quantum anomalous Hall system suggests bulk-dominated current flow, Ilan T. Rosen, Molly P. Andersen, Linsey K. Rodenbach, Lixuan Tai, Peng Zhang, Kang L. Wang, M. A. Kastner, David Goldhaber-Gordon, arxiv:2112.13123 (2021).

    Presenters

    • David Goldhaber-Gordon

      Stanford Univ, Stanford University

    Authors

    • David Goldhaber-Gordon

      Stanford Univ, Stanford University

    • Ilan T Rosen

      Stanford Univ, Massachusetts Institute of Technology

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  • Electrical control of magnetism in magnetic Chern insulators

    ORAL · Invited

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    Publication: Intrinsic quantized anomalous Hall effect in a moiré heterostructure, Serlin et al, Science, 2020<br>Electrical switching of magnetic order in an orbital Chern insulator, Polshyn et al, Nature, 2020<br>Imaging orbital ferromagnetism in a moiré Chern insulator, Tschirhart et al, Science, 2021<br>Intrinsic spin Hall torque in a moiré Chern magnet, Tschirhart et al, arXiv, 2022

    Presenters

    • Charles L Tschirhart

      UC Santa Barbara, University of California, Santa Barbara

    Authors

    • Charles L Tschirhart

      UC Santa Barbara, University of California, Santa Barbara

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  • Nanoscale imaging of equilibrium quantum Hall edge currents in graphene

    ORAL · Invited

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    Publication: Nanoscale imaging of equilibrium quantum Hall edge currents and of the magnetic monopole response in graphene <br>Nature Physics volume 16, pages164–170 (2020)<br>https://doi.org/10.1038/s41567-019-0713-3

    Presenters

    • Aviram Uri

      MIT

    Authors

    • Aviram Uri

      MIT

    • Youngwook Kim

      Max Planck Institute for Solid State Physics

    • Kousik Bagani

      Weizmann Institute of Science

    • Cyprian K Lewandowski

      Florida State University

    • Sameer Grover

      Weizmann Institute of Science

    • Nadav Auerbach

      Weizmann Institute of Science

    • Ella O Lachman

      University of California, Berkeley

    • Yuri Myasoedov

      Weizmann Institute of Science

    • Takashi Taniguchi

      National Institute for Materials Science, Kyoto Univ, International Center for Materials Nanoarchitectonics, National Institute of Materials Science, Kyoto University, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, National Institute for Materials Science, Japan, National Institute For Materials Science, NIMS, National Institute for Material Science, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Japan, NIMS Japan

    • Kenji Watanabe

      National Institute for Materials Science, Research Center for Functional Materials, National Institute of Materials Science, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan, NIMS, Research Center for Functional Materials, National Institute for Materials Science, National Institute for Materials Science, Japan, Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Japan, NIMS Japan

    • Jurgen H Smet

      Max Planck Institute for Solid State Physics

    • Eli Zeldov

      Weizmann Institute of Science

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