Fermi arc surface state and topological switch in the gyromagnetic metamaterials

A landmark feature of the Weyl system is that it possesses the Fermi arc surface states. In this work, we demonstrate that the Fermi arc surface states connect the vacuum state and the Weyl points of gyromagnetic metamaterials (GMs). The nonzero Chern numbers and Berry phases show the nontrivial top...

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发表在:New Journal of Physics
Main Authors: Mingzhu Li, Ning Han, Lu Qi, Zhuhong Lin, Songya Cui, Guang Chen, Liang Peng
格式: 文件
语言:英语
出版: IOP Publishing 2023-01-01
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在线阅读:https://doi.org/10.1088/1367-2630/acd26f

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