Weyl Point and Nontrivial Surface States in a Helical Topological Material

Meize Li; Yahong Liu; Lianlian Du; Xin Zhou; Kun Song; Ruonan Ji; Xiaopeng Zhao

doi:10.3389/fmats.2021.805862

Weyl Point and Nontrivial Surface States in a Helical Topological Material

Meize Li
, Yahong Liu
, Lianlian Du
, Xin Zhou
, Kun Song
, Ruonan Ji
, Xiaopeng Zhao

物理科学与技术学院

Northwestern Polytechnical University Xian
The National Research Institute of Radio Spectrum Management

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

Topological material has been widely studied in recent years because of excellent physical properties. In this paper, a Weyl topological material composed of the double left-handed helixes is presented. It is demonstrated that the proposed structure possesses a two-dimensional complete topological nontrivial bandgap for a fixed k_z in the microwave frequency, and the robust surface states are observed. This unique function provides a promising platform for the development of photonics and electromagnetics.

源语言	英语
文章编号	805862
期刊	Frontiers in Materials
卷	8
DOI	https://doi.org/10.3389/fmats.2021.805862
出版状态	已出版 - 6 1月 2022

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abstract = "Topological material has been widely studied in recent years because of excellent physical properties. In this paper, a Weyl topological material composed of the double left-handed helixes is presented. It is demonstrated that the proposed structure possesses a two-dimensional complete topological nontrivial bandgap for a fixed kz in the microwave frequency, and the robust surface states are observed. This unique function provides a promising platform for the development of photonics and electromagnetics.",

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AU - Li, Meize

AU - Liu, Yahong

AU - Du, Lianlian

AU - Zhou, Xin

AU - Song, Kun

AU - Ji, Ruonan

AU - Zhao, Xiaopeng

PY - 2022/1/6

Y1 - 2022/1/6

N2 - Topological material has been widely studied in recent years because of excellent physical properties. In this paper, a Weyl topological material composed of the double left-handed helixes is presented. It is demonstrated that the proposed structure possesses a two-dimensional complete topological nontrivial bandgap for a fixed kz in the microwave frequency, and the robust surface states are observed. This unique function provides a promising platform for the development of photonics and electromagnetics.

AB - Topological material has been widely studied in recent years because of excellent physical properties. In this paper, a Weyl topological material composed of the double left-handed helixes is presented. It is demonstrated that the proposed structure possesses a two-dimensional complete topological nontrivial bandgap for a fixed kz in the microwave frequency, and the robust surface states are observed. This unique function provides a promising platform for the development of photonics and electromagnetics.

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KW - band structure

KW - nontrivial

KW - surface state

KW - topological material

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Weyl Point and Nontrivial Surface States in a Helical Topological Material

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