Xiao Xiang, Yu-Gui Peng*, Feng Gao, Xiaoxiao Wu, Peng Wu, Zhaoxian Chen, Xiang Ni*, and Xue-Feng Zhu*.

Demonstration of Acoustic Higher-Order Topological Stiefel-Whitney Semimetal.

Phys. Rev. Lett. 132, 197202.

DOI: https://doi.org/10.1103/PhysRevLett.132.197202.