Controlling mass and energy diffusion with metamaterials

F Yang, Z Zhang, L Xu, Z Liu, P Jin, P Zhuang… - Reviews of Modern …, 2024 - APS
Diffusion driven by temperature or concentration gradients is a fundamental mechanism of
energy and mass transport that inherently differs from wave propagation in both physical …

Topological thermal transport

Z Liu, P Jin, M Lei, C Wang, F Marchesoni… - Nature Reviews …, 2024 - nature.com
Thermal transport is a fundamental mechanism of energy transfer process quite distinct from
wave propagation phenomena. It can be manipulated well beyond the possibilities offered …

Non-Hermitian chiral heat transport

G Xu, X Zhou, Y Li, Q Cao, W Chen, Y Xiao, L Yang… - Physical Review Letters, 2023 - APS
Exceptional point (EP) has been captivated as a concept of interpreting eigenvalue
degeneracy and eigenstate exchange in non-Hermitian physics. The chirality in the vicinity …

Deep Learning‐Assisted Active Metamaterials with Heat‐Enhanced Thermal Transport

P Jin, L Xu, G Xu, J Li, CW Qiu, J Huang - Advanced Materials, 2024 - Wiley Online Library
Heat management is crucial for state‐of‐the‐art applications such as passive radiative
cooling, thermally adjustable wearables, and camouflage systems. Their adaptive versions …

Nonreciprocal heat circulation metadevices

R Ju, PC Cao, D Wang, M Qi, L Xu, S Yang… - Advanced …, 2024 - Wiley Online Library
Thermal nonreciprocity typically stems from nonlinearity or spatiotemporal variation of
parameters. However, constrained by the inherent temperature‐dependent properties and …

Observation of parity-time symmetry in diffusive systems

PC Cao, R Ju, D Wang, M Qi, YK Liu, YG Peng… - Science …, 2024 - science.org
Phase modulation has scarcely been mentioned in diffusive physical systems because the
diffusion process does not carry the momentum like waves. Recently, non-Hermitian physics …

Higher-order topological in-bulk corner state in pure diffusion systems

Z Liu, PC Cao, L Xu, G Xu, Y Li, J Huang - Physical Review Letters, 2024 - APS
Compared with conventional topological insulator that carries topological state at its
boundaries, the higher-order topological insulator exhibits lower-dimensional gapless …

Topological plasma transport from a diffusion view

Z Liu, J Huang - Chinese Physics Letters, 2023 - iopscience.iop.org
Recent studies have identified plasma as a topological material. Yet, these researches often
depict plasma as a fluid governed by electromagnetic fields, ie, a classical wave system …

Hierarchical bound states in heat transport

S Yang, G Xu, X Zhou, J Li, X Kong, C Zhou… - Proceedings of the …, 2024 - pnas.org
Higher-order topological phases in non-Hermitian photonics revolutionize the
understanding of wave propagation and modulation, which lead to hierarchical states in …

Thermal metamaterials: From static to dynamic heat manipulation

C Fan, CL Wu, Y Wang, B Wang, J Wang - Physics Reports, 2024 - Elsevier
Static and dynamic metamaterials have been extensively studied for their ability to
manipulate different physical fields and directed to broad applications. Because the …