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Topological edge modes in multilayer graphene systems

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Optics express
  • 摘要:Plasmons can be supported on graphene sheets as the Dirac electrons oscillate collectively. A tight-binding model for graphene plasmons is a good description as the field confinement in the normal direction is strong. With this model, the topological properties of plasmonic bands in multilayer graphene systems are investigated. The Zak phases of periodic graphene sheet arrays are obtained for different configurations. Analogous to Su-Schrieffer-Heeger (SSH) model in electronic systems, topological edge plasmon modes emerge when two periodic graphene sheet arrays with different Zak phases are …
  • 论文类型:期刊论文
  • 卷号:23
  • 期号:17
  • 页面范围:21585-21595
  • 是否译文:
  • 发表时间:2015

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