Topological metamaterials

X Ni, S Yves, A Krasnok, A Alu - Chemical Reviews, 2023‏ - ACS Publications
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 …

From photonic crystals to seismic metamaterials: A review via phononic crystals and acoustic metamaterials

Muhammad, CW Lim - Archives of Computational Methods in Engineering, 2022‏ - Springer
The advancement in electromagnetic metamaterials, which commenced three decades ago,
experienced a rapid transformation into acoustic and elastic systems in the forms of …

Band-gap property of a novel elastic metamaterial beam with X-shaped local resonators

Z Wu, W Liu, F Li, C Zhang - Mechanical Systems and Signal Processing, 2019‏ - Elsevier
A new type of the elastic metamaterial beam with X-shaped local resonators is designed and
the vibration attenuation property of the proposed structure is investigated by the spectral …

Recent advances in topological elastic metamaterials

H Huang, J Chen, S Huo - Journal of Physics: Condensed Matter, 2021‏ - iopscience.iop.org
Topological elastic metamaterials have emerged as a new frontier in the quest of topological
phases in condensed matter physics. Their exotic topological properties open a wealth of …

Excitation and detection of acoustic phonons in nanoscale systems

RC Ng, A El Sachat, F Cespedes, M Poblet, G Madiot… - Nanoscale, 2022‏ - pubs.rsc.org
Phonons play a key role in the physical properties of materials, and have long been a topic
of study in physics. While the effects of phonons had historically been considered to be a …

2D phononic crystals: Progress and prospects in hypersound and thermal transport engineering

M Sledzinska, B Graczykowski, J Maire… - Advanced Functional …, 2020‏ - Wiley Online Library
The central concept in phononics is the tuning of the phonon dispersion relation, or phonon
engineering, which provides a means of controlling related properties such as group velocity …

Topological acoustic waveguide with high-precision internal-mode-induced multiband

C Ma, JH Wu, Z Cui, L Wang - Composite Structures, 2024‏ - Elsevier
In this paper, we propose a topological acoustic waveguide which can transmit high-
precision and multiband sound energy with backscattering suppression and no energy loss …

Multi-band acoustic topological insulator

Z Huang, JH Wu, Y Lei, C Liu, F Ma - Materials Today Physics, 2022‏ - Elsevier
As an analog of topological insulators in acoustics, acoustic topological insulators possess
the pseudospin-dependent one-way transmission of sound edge states immune to …

Topological wave insulators: a review

F Zangeneh-Nejad, A Alù… - Comptes …, 2020‏ - comptes-rendus.academie-sciences …
Originally discovered in condensed matter systems, topological insulators (TIs) have been
ubiquitously extended to various fields of classical wave physics including photonics …

Tunable nonlinear topological insulator for acoustic waves

A Darabi, MJ Leamy - Physical Review Applied, 2019‏ - APS
Inspired by the quantum spin Hall effect, we propose the first two-dimensional tunable
nonlinear topological insulator for acoustic waves that activates simply by inputting energy …