Topological sound

X Zhang, M Xiao, Y Cheng, MH Lu… - Communications …, 2018 - nature.com
Recently, we witnessed a tremendous effort to conquer the realm of acoustics as a possible
playground to test with topologically protected sound wave propagation. In this article, we …

Topological phononics: from fundamental models to real materials

Y Liu, X Chen, Y Xu - Advanced Functional Materials, 2020 - Wiley Online Library
Effective manipulation of phonons is crucial to modern energy‐information science and
technologies but limited by the charge neutral and spinless nature of phonons. Recently …

Direct observation of topological phonons in graphene

J Li, J Li, J Tang, Z Tao, S Xue, J Liu, H Peng… - Physical Review Letters, 2023 - APS
Phonons, as the most fundamental emergent bosons in condensed matter systems, play an
essential role in the thermal, mechanical, and electronic properties of crystalline materials …

Observation of interplay between phonon chirality and electronic band topology

FGG Hernandez, A Baydin, S Chaudhary, F Tay… - Science …, 2023 - science.org
The recently demonstrated chiral modes of lattice motion carry angular momentum and
therefore directly couple to magnetic fields. Notably, their magnetic moments are predicted …

Emerging theory and phenomena in thermal conduction: A selective review

J Chen, J He, D Pan, X Wang, N Yang, J Zhu… - Science China Physics …, 2022 - Springer
Recently, emerging phonon phenomena have been discovered and rapidly developed,
which have become an active hot research topic. In this review article, we present state-of …

Double-Weyl phonons in transition-metal monosilicides

T Zhang, Z Song, A Alexandradinata, H Weng, C Fang… - Physical review …, 2018 - APS
We employed ab initio calculations to identify a class of crystalline materials of M Si (M= Fe,
Co, Mn, Re, Ru) having double-Weyl points in both their acoustic and optical phonon …

Measuring phonon dispersion at an interface

R Qi, R Shi, Y Li, Y Sun, M Wu, N Li, J Du, K Liu… - Nature, 2021 - nature.com
The breakdown of translational symmetry at heterointerfaces leads to the emergence of new
phonon modes localized at the interface. These modes have an essential role in thermal …

Phonon thermal transport and its tunability in GaN for near-junction thermal management of electronics: A review

DS Tang, BY Cao - International Journal of Heat and Mass Transfer, 2023 - Elsevier
The heat dissipation issue has now become one of the most important bottlenecks for power
electronics due to the rapid increase in power density and working frequency. Towards the …

Computation and data driven discovery of topological phononic materials

J Li, J Liu, SA Baronett, M Liu, L Wang, R Li… - Nature …, 2021 - nature.com
The discovery of topological quantum states marks a new chapter in both condensed matter
physics and materials sciences. By analogy to spin electronic system, topological concepts …

Edge states of topological acoustic phonons in graphene zigzag nanoribbons

ZK Ding, YJ Zeng, H Pan, N Luo, J Zeng, LM Tang… - Physical Review B, 2022 - APS
The tight-binding method is an effective way to study topological insulators. However, an
intrinsic element, ie, the acoustic sum rule (ASR) in phonon systems, has often been …