Topological Insulators III: Theory

Presentations

• Classification of delicate and multigap topological bands protected by a combination of space inversion and additional discrete symmetries

  ORAL

  March 19, 2025, 11:00 AM – March 19, 2025, 11:12 AM

  Presenters

  • Hyeongmuk Lim

    Seoul National University

  Authors

  • Hyeongmuk Lim

    Seoul National University

  • Tomáš Bzdušek

    Department of Physics, University of Zurich

  • Bohm-Jung Yang

    Seoul Natl Univ, Seoul National University

  View abstract →

• Higher-order topological insulators in three dimensions without crystalline counterparts

  ORAL

  March 19, 2025, 11:12 AM – March 19, 2025, 11:24 AM

  Publication: Y.-F. Mao, Y.-L. Tao, J.-H. Wang, Q.-B. Zeng, and Y. Xu, Higher-order topological insulators in three dimensions without crystalline counterparts, Phys. Rev. B 109, 134205 (2024).

  Presenters

  • Yufeng Mao

    Tsinghua University

  Authors

  • Yufeng Mao

    Tsinghua University

  • Yu-Liang Tao

    Tsinghua University

  • Jiong-Hao Wang

    Tsinghua University

  • Qi-Bo Zeng

    Capital Normal University

  • Yong Xu

    Tsinghua University

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• Non-Hermitian Origin of Wannier Localizability and Detachable Topological Boundary States

  ORAL

  March 19, 2025, 11:24 AM – March 19, 2025, 11:36 AM

  Publication: [1] D. Nakamura, K. Shiozaki, K. Shimomura, M. Sato, and K. Kawabata, arXiv:2407.09458 (2024).<br>[2] K. Shiozaki, D. Nakamura, K. Shimomura, M. Sato, and K. Kawabata, arXiv:2407.18273 (2024).

  Presenters

  • Daichi Nakamura

    ISSP, Univ. of Tokyo, The Institute for Solid State Physics, University of Tokyo

  Authors

  • Daichi Nakamura

    ISSP, Univ. of Tokyo, The Institute for Solid State Physics, University of Tokyo

  • Ken Shiozaki

    Kyoto Univ

  • Kenji Shimomura

    Kyoto Univ

  • Masatoshi Sato

    Kyoto University

  • Kohei Kawabata

    Univ of Tokyo

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• Abstract Withdrawn

  ORAL Withdrawn

  March 19, 2025, 11:36 AM – March 19, 2025, 11:48 AM

  View abstract →

• Unraveling Topological Crystalline Materials with Spin-Resolved Topology in Insulators and Dual Charge-Resolved Topology in Superconductors

  ORAL

  March 19, 2025, 11:48 AM – March 19, 2025, 12:00 PM

  Presenters

  • Benjamin J Wieder

    Université Paris-Saclay

  Authors

  • Benjamin J Wieder

    Université Paris-Saclay

  • Siddhartha Sarkar

    University of Michigan, Max Planck Institute for Physics of Complex Systems

  • Kuan-Sen Lin

    Rice University

  • Giandomenico Palumbo

    Dublin Institute for Advanced Studies

  • Yoonseok Hwang

    University of Illinois Urbana-Champaign

  • Eli Gerber

    Universite Paris-Saclay

  • Senthil Todadri

    Massachusetts Institute of Technology

  • Gregory A Fiete

    Northeastern University

  • Barry Bradlyn

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

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• Nonlinearity-induced topological phase transition characterized by the nonlinear Chern number

  ORAL

  March 19, 2025, 12:00 PM – March 19, 2025, 12:12 PM

  Publication: K. Sone, M. Ezawa, Y. Ashida, N. Yoshioka, and T. Sagawa, Nat. Phys. 4, 023211 (2024).

  Presenters

  • Kazuki Sone

    Univ of Tsukuba

  Authors

  • Kazuki Sone

    Univ of Tsukuba

  • Motohiko Ezawa

    The University of Tokyo

  • Yuto Ashida

    Univ of Tokyo

  • Nobuyuki Yoshioka

    University of Tokyo

  • Takahiro Sagawa

    Univ of Tokyo, University of Tokyo, The University of Tokyo, Department of Applied Physics, The University of Tokyo

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• Hidden zero modes and topology of non-Hermitian quantum systems

  ORAL

  March 19, 2025, 12:12 PM – March 19, 2025, 12:24 PM

  Publication: K. Monkman, J. Sirker, "Hidden zero modes and topology of multiband non-Hermitian systems", arXiv:2405.09728 (2024).<br>Y. Mardani, R.A. Pimenta, J. Sirker, "Bulk-Boundary Correspondence and Exceptional Points for a Dimerized Hatano-Nelson Model with Staggered Potentials", arXiv:2410.01542 (2024).

  Presenters

  • Kyle Monkman

    University of British Columbia, Quantum Matter Institute, UBC, Vancouver

  Authors

  • Jesko Sirker

    University of Manitoba

  • Kyle Monkman

    University of British Columbia, Quantum Matter Institute, UBC, Vancouver

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• Extrinsic Geometry and Gappable Edges in Rotation-Invariant Topological Phases

  ORAL

  March 19, 2025, 12:24 PM – March 19, 2025, 12:36 PM

  Presenters

  • Sounak Sinha

    University of Illinois Urbana Champaign

  Authors

  • Sounak Sinha

    University of Illinois Urbana Champaign

  • Barry Bradlyn

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

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• Subspace-protected Topological Phases

  ORAL

  March 19, 2025, 12:36 PM – March 19, 2025, 12:48 PM

  Publication: [1] S.Ryu et al., New J. Phys. 12, 065010 (2010).<br>[2] N. Hatano and D. R. Nelson, Phys. Rev. Lett. 77, 570 (1996).<br>[3] N. Okuma et al., Phys. Rev. Lett. 124,086801 (2020).<br>[4] K. Zhang et al., Phys. Rev. Lett. 125, 126402 (2020).

  Presenters

  • Ryo Takami

    YITP, Kyoto Univ.

  Authors

  • Ryo Takami

    YITP, Kyoto Univ.

  • Kenji Shimomura

    YITP, Kyoto Univ.

  • Daichi Nakamura

    ISSP, Univ. of Tokyo, The Institute for Solid State Physics, University of Tokyo

  • Masatoshi Sato

    Kyoto University

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• Hyperbolic lattices: Experimentally Realizable Cayley Crystal Decomposition

  ORAL

  March 19, 2025, 12:48 PM – March 19, 2025, 1:00 PM

  Presenters

  • Lavi K Upreti

    Univeristy of Konstanz

  Authors

  • Lavi K Upreti

    Univeristy of Konstanz

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• Abstract Withdrawn

  ORAL Withdrawn

  March 19, 2025, 1:00 PM – March 19, 2025, 1:12 PM

  View abstract →

• Higher order topological knot and complex Chern insulator

  ORAL

  March 19, 2025, 1:12 PM – March 19, 2025, 1:24 PM

  Presenters

  • Yifan Wang

    Emory University

  Authors

  • Yifan Wang

    Emory University

  • Wladimir A Benalcazar

    Emory University

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• 3D stacking of Kagome layers: interplay between symmetry, spin-orbit coupling, and topology

  ORAL

  March 19, 2025, 1:24 PM – March 19, 2025, 1:36 PM

  Presenters

  • Fan Yang

    University of Minnesota

  Authors

  • Fan Yang

    University of Minnesota

  • Turan Birol

    University of Minnesota

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• Universal Wilson-Loop Bound of Quantum Geometry: Z₂ Bound and Physcial Consequences

  ORAL

  March 19, 2025, 1:36 PM – March 19, 2025, 1:48 PM

  Presenters

  • Jiabin Yu

    University of Florida

  Authors

  • Jiabin Yu

    University of Florida

  • Jonah Herzog-Arbeitman

    Princeton University

  • Andrei B Bernevig

    Princeton University

  View abstract →