Exceptional points and non-Hermitian photonics at the nanoscale

A Li, H Wei, M Cotrufo, W Chen, S Mann, X Ni… - Nature …, 2023 - nature.com
Exceptional points (EPs) arising in non-Hermitian systems have led to a variety of intriguing
wave phenomena, and have been attracting increased interest in various physical platforms …

A review on non-Hermitian skin effect

X Zhang, T Zhang, MH Lu, YF Chen - Advances in Physics: X, 2022 - Taylor & Francis
The past decades have witnessed the flourishing of non-Hermitian physics in non-
conservative systems, leading to unprecedented phenomena of unidirectional invisibility …

Topological photonic crystals: physics, designs, and applications

GJ Tang, XT He, FL Shi, JW Liu… - Laser & Photonics …, 2022 - Wiley Online Library
Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

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 …

Observation of higher-order non-Hermitian skin effect

X Zhang, Y Tian, JH Jiang, MH Lu, YF Chen - Nature communications, 2021 - nature.com
Beyond the scope of Hermitian physics, non-Hermiticity fundamentally changes the
topological band theory, leading to interesting phenomena, eg, non-Hermitian skin effect, as …

[HTML][HTML] A brief review of topological photonics in one, two, and three dimensions

Z Lan, MLN Chen, F Gao, S Zhang, EI Wei - Reviews in Physics, 2022 - Elsevier
Topological photonics has attracted increasing attention in recent years due to the unique
opportunities it provides to manipulate light in a robust way immune to disorder and defects …

Chirality as generalized spin–orbit interaction in spintronics

T Yu, Z Luo, GEW Bauer - Physics Reports, 2023 - Elsevier
Chirality or handedness distinguishes an object from its mirror images, such as the spread
thumb, index finger, and middle finger of the right and left hand. In mathematics, it is …

Hybrid skin-topological modes without asymmetric couplings

W Zhu, J Gong - Physical Review B, 2022 - APS
The non-Hermitian skin effect (NHSE) in non-Hermitian lattice systems, associated with a
point gap on the complex energy plane, has attracted great theoretical and experimental …

Controlling sound in non-hermitian acoustic systems

Z Gu, H Gao, PC Cao, T Liu, XF Zhu, J Zhu - Physical Review Applied, 2021 - APS
The concept of non-Hermitian physics has inspired numerous intriguing phenomena in
classical wave systems. By introducing judicious arrangements of gain and loss media, non …

Transient non-Hermitian skin effect

Z Gu, H Gao, H Xue, J Li, Z Su, J Zhu - Nature Communications, 2022 - nature.com
The discovery of non-Hermitian skin effect (NHSE) has opened an exciting direction for
unveiling unusual physics and phenomena in non-Hermitian system. Despite notable …