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

School of Physical Science and Technology

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

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 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.

Original language	English
Article number	805862
Journal	Frontiers in Materials
Volume	8
DOIs	https://doi.org/10.3389/fmats.2021.805862
State	Published - 6 Jan 2022

Keywords

Weyl point
band structure
nontrivial
surface state
topological material

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10.3389/fmats.2021.805862

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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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author = "Meize Li and Yahong Liu and Lianlian Du and Xin Zhou and Kun Song and Ruonan Ji and Xiaopeng Zhao",

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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.

KW - Weyl point

KW - band structure

KW - nontrivial

KW - surface state

KW - topological material

UR - https://www.scopus.com/pages/publications/85123052993

U2 - 10.3389/fmats.2021.805862

DO - 10.3389/fmats.2021.805862

M3 - 文章

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VL - 8

JO - Frontiers in Materials

JF - Frontiers in Materials

M1 - 805862

ER -

Weyl Point and Nontrivial Surface States in a Helical Topological Material

Abstract

Keywords

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