Direct observation of chiral edge current at zero magnetic field in a magnetic topological insulator

Direct observation of chiral edge current at zero magnetic field in a magnetic topological insulator

Abstract The chiral edge current is the boundary manifestation of the Chern number of a quantum anomalous Hall (QAH) insulator. The van der Waals antiferromagnet MnBi2Te4 is theorized to be a QAH in odd-layers but has shown Hall resistivity below the quantization value at zero magnetic field. Here,...

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Main Authors: Jinjiang Zhu, Yang Feng, Xiaodong Zhou, Yongchao Wang, Hongxu Yao, Zichen Lian, Weiyan Lin, Qiushi He, Yishi Lin, Youfang Wang, Yongqian Wang, Shuai Yang, Hao Li, Yang Wu, Chang Liu, Jing Wang, Jian Shen, Jinsong Zhang, Yayu Wang, Yihua Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-56326-7
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https://doi.org/10.1038/s41467-025-56326-7

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