Topological phenomena at defects in acoustic, photonic and solid-state lattices

ZK Lin, Q Wang, Y Liu, H Xue, B Zhang… - Nature Reviews …, 2023 - nature.com
There are two prominent applications of the mathematical concept of topology to the physics
of materials: band topology, which classifies different topological insulators and semimetals …

A second wave of topological phenomena in photonics and acoustics

X Zhang, F Zangeneh-Nejad, ZG Chen, MH Lu… - Nature, 2023 - nature.com
Light and sound are the most ubiquitous forms of waves, associated with a variety of
phenomena and physical effects such as rainbows and echoes. Light and sound, both …

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 …

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 …

Filling the gap between topological insulator nanomaterials and triboelectric nanogenerators

M Li, HW Lu, SW Wang, RP Li, JY Chen… - Nature …, 2022 - nature.com
Reliable energy modules and higher-sensitivity, higher-density, lower-powered sensing
systems are constantly required to develop wearable electronics and the Internet of Things …

Realization of photonic p-orbital higher-order topological insulators

Y Zhang, D Bongiovanni, Z Wang, X Wang, S Xia, Z Hu… - Elight, 2023 - Springer
The orbital degrees of freedom play a pivotal role in understanding fundamental
phenomena in solid-state materials as well as exotic quantum states of matter including …

Exciton polaritons in emergent two-dimensional semiconductors

H Kang, J Ma, J Li, X Zhang, X Liu - ACS nano, 2023 - ACS Publications
The “marriage” of light (ie, photon) and matter (ie, exciton) in semiconductors leads to the
formation of hybrid quasiparticles called exciton polaritons with fascinating quantum …

Regulating the thermal conductivity of monolayer MnPS 3 by a magnetic phase transition

D Zhang, K Wang, S Chen, L Zhang, Y Ni, G Zhang - Nanoscale, 2023 - pubs.rsc.org
In this study, based on ab initio calculations and the phonon Boltzmann transport equation,
we found that magnetic phase transitions can lead to a significant change in the thermal …

Topological orbital angular momentum extraction and twofold protection of vortex transport

Z Hu, D Bongiovanni, Z Wang, X Wang, D Song, J Xu… - Nature …, 2024 - nature.com
Vortex phenomena are ubiquitous in nature. In optics, despite the availability of numerous
techniques for vortex generation and detection, topological protection of vortex transport with …

Experimental realization of nonreciprocal adiabatic transfer of phonons in a dynamically modulated nanomechanical topological insulator

T Tian, Y Zhang, L Zhang, L Wu, S Lin, J Zhou… - Physical review …, 2022 - APS
High quality nanomechanical oscillators are promising platforms for quantum entanglement
and quantum technology with phonons. Realizing coherent transfer of phonons between …