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Twisted Bilayer Graphene: Structure and Emergent Phases

ORAL · K56 · ID: 46170

Presentations

  • Stacking-dependent binding energy of bilayer graphene from diffusion Monte Carlo

    ORAL

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    Presenters

    • Kittithat Krongchon

      University of Illinois at Urbana-Champaign

    Authors

    • Kittithat Krongchon

      University of Illinois at Urbana-Champaign

    • Tawfiqur Rakib

      University of Illinois at Urbana-Champaign

    • Elif Ertekin

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

    • Harley T Johnson

      University of Illinois at Urbana-Champaign

    • Lucas K Wagner

      University of Illinois at Urbana-Champaign

    View abstract →

  • An accurate tight binding model for twisted bilayer graphene describes topological flat bands without geometric relaxation

    ORAL

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    Presenters

    • Shivesh Pathak

      University of Illinois at Urbana-Champai

    Authors

    • Shivesh Pathak

      University of Illinois at Urbana-Champai

    • Tawfiqur Rakib

      University of Illinois at Urbana-Champaign

    • Run Hou

      Rice Univ

    • Andriy H Nevidomskyy

      Rice Univ, Rice University, Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA, Department of Physics and Astronomy, Rice University, TX, USA, Department of Physics and Astronomy, Rice University, Department of Physics & Astronomy, Rice University

    • Elif Ertekin

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

    • Harley T Johnson

      University of Illinois at Urbana-Champaign

    • Lucas K Wagner

      University of Illinois at Urbana-Champaign

    View abstract →

  • Fractional Chern Insulators and Hofstadter Band Geometry in Magic-Angle Graphene

    ORAL

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    Publication: Fractional Chern Insulators and Hofstadter Band Geometry in Magic-Angle Graphene, in preparation.<br>See also: Fractional Chern insulators in magic-angle twisted bilayer graphene, arXiv: 2107.10854

    Presenters

    • Daniel E Parker

      University of California, Berkeley, Harvard University

    Authors

    • Daniel E Parker

      University of California, Berkeley, Harvard University

    • Patrick J Ledwith

      Harvard University

    • Eslam Khalaf

      Harvard University

    • Tomohiro Soejima

      University of California, Berkeley

    • Johannes Hauschild

      University of California, Berkeley

    • Ashvin Vishwanath

      Harvard University

    View abstract →

  • Fractons in moir\'e materials

    ORAL

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    Presenters

    • Dan Mao

      Cornell University

    Authors

    • Dan Mao

      Cornell University

    • Kevin Zhang

      Cornell University

    • Zhen Bi

      Pennsylvania State University

    • Eun-Ah Kim

      Cornell University

    View abstract →

  • Fractional correlated insulating states at n±1/3 filled magic angle twisted bilayer graphene

    ORAL

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    Publication: A manuscript based on this work was submitted to Nature Communications; preprint available at https://arxiv.org/abs/2105.13371

    Presenters

    • Kevin Zhang

      Cornell University

    Authors

    • Kevin Zhang

      Cornell University

    • Yang Zhang

      Massachusetts Institute of Technology

    • Liang Fu

      Massachusetts Institute of Technology MI, Massachusetts Institute of Technology

    • Eun-Ah Kim

      Cornell University

    View abstract →

  • Landau level degeneracy lifting by the emergence of massive quasiparticles in magic-angle twisted bilayer graphene

    ORAL

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    Publication: S. Wu, Z. Zhang, K. Watanabe, T. Taniguchi, E. Y. Andrei. Nature Materials, 20, 488 (2021)

    Presenters

    • Shuang Wu

      Rutgers University, New Brunswick, Rutgers University

    Authors

    • Shuang Wu

      Rutgers University, New Brunswick, Rutgers University

    • Zhenyuan Zhang

      Rutgers University

    • Kenji Watanabe

      National Institute for Materials Science, Tsukuba, Japan, National Institute for Materials Science, NIMS, Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan., Research Center for Functional Materials, National Institute for Materials Science, Advanced, Materials Laboratory, NIMS, 3 National Institute for Materials Science, Tsukuba, Japan, National Institute for Materials Science; 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan, National Institute of Materials Science, Tsukuba, Japan, National Institute of Materials Science, Advanced Materials Laboratory, National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan, National Institute for Materials Science (Japan), National Institute for Materials Science, Japan, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, Research Center for Functional Materials, Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Japan, Research Center for Functional Materials, National Institute for Materials Science, Japan, Research Center for Functional Materials, National Institute for Materials Science, 1-1Namiki, Tsukuba 305-0044, Japan, National Institute for Material Science, Japan, National Institute for Material Science, National Institute of Material Sciences, Japan, NIMS, Tsukuba, 2National Institute for Materials Science, Namiki 1-1, Ibaraki 305-0044, Japan., National Institute of Materials Science, Tsukuba, Ibaraki 305-0044, Japan, National Institute for Materials Science Japan, NIMS, Japan, nims, National Institute for Materials Science, Research Center for Functional Materials, Japan, National Institute for Materials Science Tsukuba, National Institute for Materials Science, 1-1 Namiki, National Institute for Materials Science of Japan, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, NIMS - National Institute for Material Science, Japan, Research Center for Functional Materials, National Institute for Material Science, Tsukuba, Ibaraki, 305-0044, Japan., National Institute for Material Science, Tsukuba, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan, National Institute for Materials Science (NIMS), National Institute for Materials Science, Research Center for Functional Materials, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan, National Institute of Material Science, Kyoto Univ, National Institute for Materials Science,1-1 Namiki, Tsukuba, 305-0044, Japan

    • Takashi Taniguchi

      National Institute for Materials Science, Tsukuba, Japan, National Institute for Materials Science, NIMS, Kyoto Univ, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Ibaraki 305-0044, Japan., 3 National Institute for Materials Science, Tsukuba, Japan, National Institute for Materials Science; 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan, National Institute of Materials Science, Tsukuba, Japan, National Institute of Materials Science, Advanced Materials Laboratory, National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan, National Institute for Materials Science (Japan), International Center for Materials Nanoarchitectonics, National Institute for Materials Science, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, Kyoto University, International Center for Materials Nanoarchitectonics, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Japan, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Japan, International Center for Materials Nanoarchitectonics, National Institute for MaterialsScience, 1-1 Namiki, Tsukuba 305-0044, Japan, National Institute for Material Science, Japan, National Institute for Material Science, National Institute of Material Sciences, Japan, NIMS, Tsukuba, 2National Institute for Materials Science, Namiki 1-1, Ibaraki 305-0044, Japan., National Institute of Materials Science, Tsukuba, Ibaraki 305-0044, Japan, National Institute for Materials Science, Japan, International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki Tsukuba, Ibaraki 305-0044, Japan., NIMS, Japan, National Institute for Materials Science (NIMS), NIMS. Japan, International Center for Material Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Japan, International Center for Material Nanoarchitectonics, National Institute for Materials Science, National Institute for Materials Science Tsukuba, National Institute for Materials Science, 1-1 Namiki, National Institute for Materials Science of Japan, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, NIMS - National Institute for Material Science, Japan, International Center for Materials Nanoarchitectonics, National Institute for Material Science, Tsukuba, Ibaraki 305-0044, Japan., National Institute for Material Science, Tsukuba, National Institute for Materials Science, International Center for Materials Nanoarchitectonics, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan, National Institute of Material Science, National Institute for Materials Science,1-1 Namiki, Tsukuba, 305-0044, Japan

    • Eva Y Andrei

      Rutgers University, Rutgers University, Department of Physics and Astronomy, 136 Frelinghuysen Rd, Piscataway, 08854, New Jersey, USA

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  • Twist induced ferromagnetism in a bilayer graphene nanoflex

    ORAL

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    Publication: D. Pant, S. Aryal, S. Mandal, and R. Pati, Nano Lett. 2021, 21, 7548-7554.

    Presenters

    • Dharmendra Pant

      Michigan Technological University

    Authors

    • Dharmendra Pant

      Michigan Technological University

    • Sandip Aryal

      Michigan Technological University

    • Subhasish Mandal

      Rutgers University

    • Ranjit Pati

      Michigan Technological University

    View abstract →

  • Moiré Superlattices at Fractional Band Fillings: Emergent Fermi Liquids, Charge Density Waves and Fractional Chern Insulators

    ORAL

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    Publication: [1] Particle-hole duality, Emergent Fermi liquids, and Fractional Chern Insulators in Moiré flatbands, Ahmed Abouelkomsan, Zhao Liu, Emil J Bergholtz, Phys. Rev. Lett. 124, 106803 (2020).<br>[2] Gate-Tunable Fractional Chern Insulators in Twisted Double Bilayer Graphene, Zhao Liu, Ahmed Abouelkomsan, and Emil J. Bergholtz, Phys. Rev. Lett. 124, 106803 (2021)<br>[3] Emergent nesting and competing phases in Moire flatlands of trilayer graphene aligned with boron nitrate, Ahmed Abouelkomsan et al., In prepartion.

    Presenters

    • Ahmed Abouelkomsan

      Stockholm Univ

    Authors

    • Ahmed Abouelkomsan

      Stockholm Univ

    • Zhao Liu

      Zhejiang Univ

    • Kang Yang

      Stockholm Univ, Stockholm University

    • Emil J Bergholtz

      Stockholm University, Stockholm Univ

    View abstract →

  • Band structure of the rippled twisted bilayer graphene

    ORAL

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    Presenters

    • Xu Han

      Hong Kong University of Science and Technology

    Authors

    • Xu Han

      Hong Kong University of Science and Technology

    • Jianpeng Liu

      ShanghaiTech University

    • Junwei Liu

      Hong Kong University of Science and Technology

    • Ding Pan

      Hong Kong University of Science and Technology, The Hong Kong University of Science and Technology

    View abstract →