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physics.app-ph2024
Topological Edge States in Reconfigurable Multi-stable Mechanical Metamaterials
Zhen Wang, Feiyang Sun, Xiaodong Xu +3
Multi-stable mechanical structures find cutting-edge applications across various domains due to their reconfigurability, which offers innovative possibilities for engineering and t…
physics.app-ph2019
Elastic higher-order topological insulators with quantization of the quadrupole moments
Zhen Wang, Qi Wei, Heng-Yi Xu +1
We demonstrate that HOTIs with the quantization of the quadrupole moments can be realized in the two-dimensional elastic phononic crystals (PnCs). Both one-dimensional (1D) topolog…
physics.app-ph2018★ 29 cited
Guiding Robust Valley-dependent Edge States by Surface Acoustic Waves
Zhen Wang, Fu-Kang Liu, Si-Yuan Yu +4
Recently, the concept of valley pseudospin, labeling quantum states of energy extrema in momentum space, has attracted enormous attention because of its potential as a new type of…