Correlated insulators in twisted bilayer graphene

被引：4
作者：
Mandal, Ipsita [1 ,2 ,3 ]
Yao, Jia [4 ]
Mueller, Erich J. [3 ]
机构：
[1] Univ Stavanger, Fac Sci & Technol, N-4036 Stavanger, Norway
[2] NORDITA, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden
[3] Cornell Univ, Lab Atom & Solid State Phys, Ithaca, NY 14853 USA
[4] CALTECH, Dept Phys, Pasadena, CA 91125 USA
来源：
PHYSICAL REVIEW B | 2021年 / 103卷 / 12期
关键词：
MOIRE BANDS; ANGLE; STATES;
D O I：
10.1103/PhysRevB.103.125127
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Experiments on graphene bilayers, where the top layer is rotated with respect to the one below, have displayed insulating behavior when the moire bands are partially filled. We calculate the charge distributions in these phases, and estimate the excitation gaps.
引用
收藏
页数：6
相关论文
共 31 条
  • [1] Moire bands in twisted double-layer graphene
    Bistritzer, Rafi
    MacDonald, Allan H.
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2011, 108 (30) : 12233 - 12237
  • [2] Correlated insulator behaviour at half-filling in magic-angle graphene superlattices
    Cao, Yuan
    Fatemi, Valla
    Demir, Ahmet
    Fang, Shiang
    Tomarken, Spencer L.
    Luo, Jason Y.
    Sanchez-Yamagishi, Javier D.
    Watanabe, Kenji
    Taniguchi, Takashi
    Kaxiras, Efthimios
    Ashoori, Ray C.
    Jarillo-Herrero, Pablo
    [J]. NATURE, 2018, 556 (7699) : 80 - +
  • [3] Unconventional superconductivity in magic-angle graphene superlattices
    Cao, Yuan
    Fatemi, Valla
    Fang, Shiang
    Watanabe, Kenji
    Taniguchi, Takashi
    Kaxiras, Efthimios
    Jarillo-Herrero, Pablo
    [J]. NATURE, 2018, 556 (7699) : 43 - +
  • [4] Electronic correlations in twisted bilayer graphene near the magic angle
    Choi, Youngjoon
    Kemmer, Jeannette
    Peng, Yang
    Thomson, Alex
    Arora, Harpreet
    Polski, Robert
    Zhang, Yiran
    Ren, Hechen
    Alicea, Jason
    Refael, Gil
    von Oppen, Felix
    Watanabe, Kenji
    Taniguchi, Takashi
    Nadj-Perge, Stevan
    [J]. NATURE PHYSICS, 2019, 15 (11) : 1174 - +
  • [5] Ewald PP, 1921, ANN PHYS-BERLIN, V64, P253
  • [6] Charge order and broken rotational symmetry in magic-angle twisted bilayer graphene
    Jiang, Yuhang
    Lai, Xinyuan
    Watanabe, Kenji
    Taniguchi, Takashi
    Haule, Kristjan
    Mao, Jinhai
    Andrei, Eva Y.
    [J]. NATURE, 2019, 573 (7772) : 91 - +
  • [7] Strong Coupling Phases of Partially Filled Twisted Bilayer Graphene Narrow Bands
    Kang, Jian
    Vafek, Oskar
    [J]. PHYSICAL REVIEW LETTERS, 2019, 122 (24)
  • [8] Maximized electron interactions at the magic angle in twisted bilayer graphene
    Kerelsky, Alexander
    McGilly, Leo J.
    Kennes, Dante M.
    Xian, Lede
    Yankowitz, Matthew
    Chen, Shaowen
    Watanabe, K.
    Taniguchi, T.
    Hone, James
    Dean, Cory
    Rubio, Angel
    Pasupathy, Abhay N.
    [J]. NATURE, 2019, 572 (7767) : 95 - +
  • [9] Tunable moire bands and strong correlations in small-twist-angle bilayer graphene
    Kim, Kyounghwan
    DaSilva, Ashley
    Huang, Shengqiang
    Fallahazad, Babak
    Larentis, Stefano
    Taniguchi, Takashi
    Watanabe, Kenji
    LeRoy, Brian J.
    MacDonald, Allan H.
    Tutuc, Emanuel
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2017, 114 (13) : 3364 - 3369
  • [10] Maximally Localized Wannier Orbitals and the Extended Hubbard Model for Twisted Bilayer Graphene
    Koshino, Mikito
    Yuan, Noah F. Q.
    Koretsune, Takashi
    Ochi, Masayuki
    Kuroki, Kazuhiko
    Fu, Liang
    [J]. PHYSICAL REVIEW X, 2018, 8 (03):
1234