Topological metamaterials
The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …
invariant, are global features that cannot change continuously but only through abrupt …
Topological phononic metamaterials
The concept of topological energy bands and their manifestations have been demonstrated
in condensed matter systems as a fantastic paradigm toward unprecedented physical …
in condensed matter systems as a fantastic paradigm toward unprecedented physical …
Phononic crystal-induced standing Lamb wave for the translation of subwavelength microparticles
Phononic crystals (PCs) can modulate an incident acoustic wave to provide subwavelength
microparticles with stable and flexible manipulation. However, fixed artificial structures of the …
microparticles with stable and flexible manipulation. However, fixed artificial structures of the …
Microparticles separation using acoustic topological insulators
Acoustic topological insulators have exotic states on their topological interfaces, which
provide an extraordinary approach to control the sound wave with a backscattering-immune …
provide an extraordinary approach to control the sound wave with a backscattering-immune …
Superwavelength self-healing of spoof surface sonic Airy-Talbot waves
Self-imaging phenomena for nonperiodic waves along a parabolic trajectory encompass
both the Talbot effect and the accelerating Airy beams. Beyond the ability to guide waves …
both the Talbot effect and the accelerating Airy beams. Beyond the ability to guide waves …
Fiber‐Reinforced Energy‐Absorbing and Vibration‐Isolating Mechanical Metamaterials Based on Triply Periodic Minimal Surfaces
H Dai, H Xiao, Z Qiu, N Dai… - Advanced Engineering …, 2024 - Wiley Online Library
Mechanical metamaterials designed using triply periodic minimal surfaces (TPMS) are
notable for their mathematically defined topologies that yield specific and impressive …
notable for their mathematically defined topologies that yield specific and impressive …
Acoustic higher-order topological states in kagome lattice with split-ring resonators
The next-nearest-neighbour (NNN) hoppings can induce many unique topological
phenomena but are rarely considered in acoustics. This work investigates the higher-order …
phenomena but are rarely considered in acoustics. This work investigates the higher-order …
Topological rainbow trapping and broadband piezoelectric energy harvesting of acoustic waves in gradient phononic crystals with coupled interfaces
Topological phononic crystals (PCs) offer a novel approach to control the behavior of
acoustic or elastic waves. In this paper, we design the gradient PC structures with coupled …
acoustic or elastic waves. In this paper, we design the gradient PC structures with coupled …
[HTML][HTML] Topological interface states in solid/liquid phononic crystal waveguides and sensing applications
Topologically protected states in phononic crystals provide a new avenue to design robust
acoustic devices as they are immune to structural imperfections or defects. In this work, the …
acoustic devices as they are immune to structural imperfections or defects. In this work, the …
Robust boundary-induced bulk propagations in elastic waveguides with nonplanar surfaces
B Xia, J Zhang, Z Jiang, J Liu - Science China Physics, Mechanics & …, 2024 - Springer
Trivial elastic waveguides induced by line defects and nontrivial elastic waveguides
protected by topological edge states have been extensively examined in planar waveguide …
protected by topological edge states have been extensively examined in planar waveguide …