• 文献标题:   Moumlbius graphene strip as a topological insulator
  • 文献类型:   Article
  • 作  者:   GUO ZL, GONG ZR, DONG H, SUN CP
  • 作者关键词:   band structure, graphene, insulating material, strip, tightbinding calculation
  • 出版物名称:   PHYSICAL REVIEW B
  • ISSN:   2469-9950 EI 2469-9969
  • 通讯作者地址:   Peking Univ
  • 被引频次:   39
  • DOI:   10.1103/PhysRevB.80.195310
  • 出版年:   2009

▎ 摘  要

We study the electronic properties of the Moumlbius graphene strip with a zigzag edge. We show that such a graphene strip behaves as a topological insulator with a gapped bulk and a robust metallic surface, which enjoys some features due to its nontrivial topology of the spatial configuration such as the existence of edge states and the non-Abelian induced gauge field. We predict that the topological properties of the Moumlbius graphene strip can be experimentally displayed by the destructive interference in the transmission spectrum, and the robustness of edge states under certain perturbations.