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4 papers
3D Topologically Polarized Elastic Metamaterials Enable Asymmetric Energy Isolation at Low Frequencies
Shaoyuan Zhang, Xuejian Gong, Fangyuan Ma +5
Topologically polarized elasticity has been extensively studied in lower-dimensions, yet its three-dimensional (3D) counterpart remains largely unexplored. Here, we demonstrate omn…
Coexisting Euler and Stiefel-Whitney Topological Phases in Elastic Metamaterials
Jijie Tang, Adrien Bouhon, Yue Shen +6
The study of topological band theory in classical structures has led to the development of novel topological metamaterials with intriguing properties. While single-gap topologies a…
Quadrupole topological behavior of elastic waves in two-dimensional square lattices with nonsymmorphic symmetries
Yijie Liu, Yuyang Chen, Zhaoyang Guo +4
We investigate a novel higher-order topological behavior in elastic lattices characterized by nonsymmorphic symmetries. In the theoretical spring-mass lattice, altering the vertex…
Floquet Chern Vector Topological Insulators in Three Dimensions
Fangyuan Ma, Junrong Feng, Feng Li +2
We theoretically and numerically investigate Chern vector insulators and topological surface states in a three-dimensional lattice, based on phase-delayed temporal-periodic interac…