165 citations · 479 across the 12 of their papers we have counts for
12 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…
Fully-Polarized Topological Isostatic Metamaterials in Three Dimensions
Zheng Tang, Fangyuan Ma, Feng Li +2
Topological surface states are unique to topological materials and are immune to disturbances. In isostatic lattices, mechanical topological floppy modes exhibit softness depending…
Probing fragile topology with a screw dislocation
Ying Wu, Zhi-Kang Lin, Yating Yang +3
Fragile topology, akin to twisted bilayer graphene and the exotic phases therein, is a notable topological class with intriguing properties. However, due to its unique nature and t…
Observation of fourfold Dirac nodal line semimetal and its unconventional surface responses in sonic crystals
Chang-Yin Ji, Xiao-Ping Li, Zheng Tang +5
Three-dimensional nodal line semimetals (NLSMs) provide remarkable importance for both enrich topological physics and wave management. However, NLSMs realized in acoustic systems a…
Strongly Nonlinear Topological Phases of Cascaded Topoelectrical Circuits
Jijie Tang, Fangyuan Ma, Feng Li +2
Circuits provide ideal platforms of topological phases and matter, yet the study of topological circuits in the strongly nonlinear regime, has been lacking. We propose and experime…
Observation of Single Pair of Type-III Weyl Points in Sonic Crystals
Xiao-Ping Li, Feng Li, Di Zhou +3
In electronics systems, the Weyl points can be classified into three types based on the geometry of the Fermi surface, and each type exhibits various unique and intriguing phenomen…
Experimental realization of single-plaquette gauge flux insertion and topological Wannier cycles
Zhi-Kang Lin, Ying Wu, Bin Jiang +4
Gauge fields are at the heart of the fundamental science of our universe and various materials. For instance, Laughlin's gedanken experiment of gauge flux insertion played a major…
Observation of non-Abelian topological semimetals and their phase transitions
Bin Jiang, Adrien Bouhon, Zhi-Kang Lin +5
Topological phases of matter lie at the heart of physics, connecting elegant mathematical principles to real materials that are believed to shape future electronic and quantum comp…
Observation of a phononic higher-order Weyl semimetal
Li Luo, Hai-Xiao Wang, Bin Jiang +4
Weyl semimetals are extraordinary systems where exotic phenomena such as Fermi arcs, pseudo-gauge fields and quantum anomalies arise from topological band degeneracy in crystalline…