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physics.app-ph2025
Topological edge states and amplitude-dependent delocalization in quasiperiodic elliptically geared lattices
Shuaifeng Li, Di Zhou, Feng Li +2
We present a class of mechanical lattices based on elliptical gears with quasiperiodic modulation and geometric nonlinearity, capable of exhibiting topologically protected modes an…
physics.app-ph2019★ 29 cited
Elastic Weyl points and surface arc states in 3D structures
Xiaotian Shi, Rajesh Chaunsali, Feng Li +1
The study of Weyl points in electronic systems has inspired many recent researches in classical systems such as photonic and acoustic lattices. Here we show how the Weyl physics ca…