Topological acoustics

H Xue, Y Yang, B Zhang - Nature Reviews Materials, 2022 - nature.com
Topological acoustics is an emerging field that lies at the intersection of condensed matter
physics, mechanical structural design and acoustics engineering. It explores the design and …

Additive manufacturing of metallic lattice structures: Unconstrained design, accurate fabrication, fascinated performances, and challenges

LY Chen, SX Liang, Y Liu, LC Zhang - Materials Science and Engineering …, 2021 - Elsevier
Lattice structures, which are also known as architected cellular structures, have been
applied in various industrial sectors, owing to their fascinated performances, such as low …

Higher-order band topology

B ** and topology
R Citro, M Aidelsburger - Nature Reviews Physics, 2023 - nature.com
Thouless pum** provides one of the simplest manifestations of topology in quantum
systems and has attracted a lot of recent interest, both theoretically and experimentally …

Topological phononic metamaterials

W Zhu, W Deng, Y Liu, J Lu, HX Wang… - Reports on Progress …, 2023 - iopscience.iop.org
The concept of topological energy bands and their manifestations have been demonstrated
in condensed matter systems as a fantastic paradigm toward unprecedented physical …

[HTML][HTML] Progress and perspectives on phononic crystals

T Vasileiadis, J Varghese, V Babacic… - Journal of Applied …, 2021 - pubs.aip.org
Phononic crystals (PnCs) control the transport of sound and heat similar to the control of
electric currents by semiconductors and metals or light by photonic crystals. Basic and …

Acoustic realization of quadrupole topological insulators

Y Qi, C Qiu, M **ao, H He, M Ke, Z Liu - Physical Review Letters, 2020 - APS
A quadrupole topological insulator, being one higher-order topological insulator with
nontrivial quadrupole quantization, has been intensely investigated very recently. However …

Observation of a phononic higher-order Weyl semimetal

L Luo, HX Wang, ZK Lin, B Jiang, Y Wu, F Li… - Nature Materials, 2021 - nature.com
Weyl semimetals (WSMs) exhibit phenomena such as Fermi arc surface states, pseudo-
gauge fields and quantum anomalies that arise from topological band degeneracy in …

Higher-order topological semimetal in acoustic crystals

Q Wei, X Zhang, W Deng, J Lu, X Huang, M Yan… - Nature Materials, 2021 - nature.com
The notion of higher-order topological insulators has endowed materials with topological
states beyond the first order. Particularly, a three-dimensional (3D) higher-order topological …