Observation of quadratic Weyl points and double-helicoid arcs

Novel topological quasiparticles have attracted many interests recently. Here, He et al. observe quadratic Weyl points and identify double-helicoid surface arcs in sound waves traveling in a three-dimensional chiral metacrystal.

Bibliographic Details
Main Authors: Hailong He, Chunyin Qiu, Xiangxi Cai, Meng Xiao, Manzhu Ke, Fan Zhang, Zhengyou Liu
Format: Article
Language:English
Published: Nature Publishing Group 2020-04-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-020-15825-5

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