Observation of quadratic Weyl points and double-helicoid arcs

Hailong He; Chunyin Qiu; Xiangxi Cai; Meng Xiao; Manzhu Ke; Fan Zhang; Zhengyou Liu

doi:10.1038/s41467-020-15825-5

Nature Communications (Apr 2020)

Observation of quadratic Weyl points and double-helicoid arcs

Hailong He,
Chunyin Qiu,
Xiangxi Cai,
Meng Xiao,
Manzhu Ke,
Fan Zhang,
Zhengyou Liu

Affiliations

Hailong He: Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education and School of Physics and Technology, Wuhan University
Chunyin Qiu: Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education and School of Physics and Technology, Wuhan University
Xiangxi Cai: Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education and School of Physics and Technology, Wuhan University
Meng Xiao: Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education and School of Physics and Technology, Wuhan University
Manzhu Ke: Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education and School of Physics and Technology, Wuhan University
Fan Zhang: Department of Physics, University of Texas at Dallas
Zhengyou Liu: Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education and School of Physics and Technology, Wuhan University

DOI: https://doi.org/10.1038/s41467-020-15825-5
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 6

Abstract

Read online

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.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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