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Progress Report on Higher-Order Topology

ORAL · B59 · ID: 46093

Presentations

  • Observation of room-temperature quantum spin Hall edge state in a higher order topological insulator Bi<sub>4</sub>Br<sub>4</sub>

    ORAL

    –

    Publication: N. Shumiya, Md S. Hossain, J.-X. Yin, Z. Wang, M. Litskevich, C. Yoon, Y. Li, Y. Yang, Y.-X. Jiang, G. Cheng, Y.-C. Lin, Q. Zhang, Z.-J. Cheng, T. A. Cochran, D. Multer, X. P Yang, B. Casas, T.-R. Chang, T. Neupert, Z. Yuan, S. Jia, H. Lin, N. Yao, L. Balicas, F. Zhang, Y. Yao, and M. Z. Hasan, Room-temperature quantum spin Hall edge state in a higher-order topological insulator Bi4Br4, arXiv:2110.05718 (2021).

    Presenters

    • Md. Shafayat Hossain

      Princeton University

    Authors

    • Md. Shafayat Hossain

      Princeton University

    • Nana Shumiya

      Princeton University

    • Jia-Xin Yin

      Princeton University, Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey, USA.

    • Zhiwei Wang

      Beijing Institute of Technology

    • Maksim Litskevich

      Princeton University

    • Chiho Yoon

      Seoul Natl Univ

    • Yongkai Li

      Beijing Institute of Technology

    • Ying Yang

      Beijing Institute of Technology

    • Yuxiao Jiang

      Princeton University

    • Guangming Cheng

      Princeton University

    • Yen-Chuan Lin

      National Taiwan University

    • Qi Zhang

      Princeton University

    • Zijia Cheng

      Princeton University, Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey, USA.

    • Tyler A Cochran

      Princeton University

    • Xian Yang

      Princeton University

    • Brian Casas

      FSU-NHMFL, National High Magnetic Field Laboratory

    • Tay-Rong Chang

      Department of Physics, National Cheng Kung University, Tainan 70101, Taiwan, National Cheng Kung University

    • Titus Neupert

      Univ of Zurich, University of Zurich, University of Zürich

    • Hsin Lin

      Academia Sinica, Institute of Physics, Academia Sinica, Taiwan

    • Nan Yao

      Princeton Institute for Science and Technology of Materials, Princeton University, Princeton University

    • Fan Zhang

      UT Dallas, University of Texas at Dallas

    • Luis Balicas

      National High Magnetic Field Laboratory

    • Yugui Yao

      Beijing Institute of Technology

    • Zahid M Hasan

      Princeton University, Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey, USA.

    View abstract →

  • Beyond hinge states: bulk spin-based signatures of non-axionic higher-order topology

    ORAL

    –

    Presenters

    • Kuan-Sen Lin

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

    Authors

    • Kuan-Sen Lin

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

    • Giandomenico Palumbo

      Dublin Institute for Advanced Studies

    • Gregory A Fiete

      Northeastern University

    • Benjamin J Wieder

      Massachusetts Institute of Technology, Massachusetts Institute of Technology MIT

    • Barry Bradlyn

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

    View abstract →

  • Crystalline Responses for Rotation-Invariant Higher-Order Topological Insulators

    ORAL

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    Publication: arXiv:2108.00008

    Presenters

    • Julian May-Mann

      University of Illinois at Urbana-Champai

    Authors

    • Julian May-Mann

      University of Illinois at Urbana-Champai

    • Taylor L Hughes

      University of Illinois at Urbana-Champaign, Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA

    View abstract →

  • Beyond Axion Electrodynamics in Helical Higher-Order Topological Insulators

    ORAL

    –

    Presenters

    • Benjamin J Wieder

      Massachusetts Institute of Technology, Massachusetts Institute of Technology MIT

    Authors

    • Benjamin J Wieder

      Massachusetts Institute of Technology, Massachusetts Institute of Technology MIT

    • Giandomenico Palumbo

      Dublin Institute for Advanced Studies

    • Kuan-Sen Lin

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

    • Frank Schindler

      Princeton University

    • Stepan S Tsirkin

      University of Zurich

    • Titus Neupert

      Univ of Zurich, University of Zurich, University of Zürich

    • Andrei B Bernevig

      Princeton University

    • Barry Bradlyn

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

    • Gregory A Fiete

      Northeastern University

    View abstract →

  • Higher-order topological insulator phase in a modified Haldane model

    ORAL

    –

    Presenters

    • XIAOTING ZHOU

      Northeastern University

    Authors

    • XIAOTING ZHOU

      Northeastern University

    • Baokai Wang

      Northeastern University

    • Hsin Lin

      Academia Sinica, Institute of Physics, Academia Sinica, Taiwan

    • Arun Bansil

      Northeastern University, Department of Physics, Northeastern University, USA

    View abstract →

  • Higher-Order Topological Phases on Quantum Fractals

    ORAL

    –

    Publication: arXiv:2109.03231

    Presenters

    • Sourav Manna

      Max Planck Institute for the Physics of Complex Systems

    Authors

    • Bitan Roy

      Lehigh University

    • Sourav Manna

      Max Planck Institute for the Physics of Complex Systems

    • Snehasish Nandy

      Department of Physics, University of Virginia, Charlottesville, Virginia, 22904, USA

    View abstract →