Author(s): Linyun Yang, Yin Wang, Yan Meng, Zhenxiao Zhu, Xiang Xi, Bei Yan, Shuxin Lin, Jingming Chen, Bin-jie Shi, Yong Ge, Shou-qi Yuan, Hongsheng Chen, Hong-xiang Sun, Gui-Geng Liu, Yihao Yang, and Zhen Gao
Acoustic measurements reveal the full hierarchy of Dirac cones and the corresponding hierarchy of band topology in 3D acoustic crystals.
[Phys. Rev. Lett. 129, 125502] Published Fri Sep 16, 2022