Non-Hermitian topology and exceptional-point geometries

K Ding, C Fang, G Ma - Nature Reviews Physics, 2022 - nature.com
Non-Hermitian theory is a theoretical framework used to describe open systems. It offers a
powerful tool in the characterization of both the intrinsic degrees of freedom of a system and …

Topological non-Hermitian skin effect

R Lin, T Tai, L Li, CH Lee - Frontiers of Physics, 2023 - Springer
This article reviews recent developments in the non-Hermitian skin effect (NHSE),
particularly on its rich interplay with topology. The review starts off with a pedagogical …

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 …

Gain-loss-induced hybrid skin-topological effect

Y Li, C Liang, C Wang, C Lu, YC Liu - Physical Review Letters, 2022 - APS
Non-Hermitian topological effects are of crucial importance both in fundamental physics and
applications. Here we discover the gain-loss-induced hybrid second-order skin-topological …

Observation of geometry-dependent skin effect in non-Hermitian phononic crystals with exceptional points

Q Zhou, J Wu, Z Pu, J Lu, X Huang, W Deng… - Nature …, 2023 - nature.com
Exceptional points and skin effect, as the two distinct hallmark features unique to the non-
Hermitian physics, have each attracted enormous interests. Recent theoretical works reveal …

Electrical circuit realization of topological switching for the non-Hermitian skin effect

H Zhang, T Chen, L Li, CH Lee, X Zhang - Physical Review B, 2023 - APS
Non-Hermitian systems reveal rich physics beyond the Hermitian regime, and have aroused
great interest. One remarkable physical phenomenon is the non-Hermitian skin effect …

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 …

Observation of non-Hermitian topological Anderson insulator in quantum dynamics

Q Lin, T Li, L Xiao, K Wang, W Yi, P Xue - Nature Communications, 2022 - nature.com
Disorder and non-Hermiticity dramatically impact the topological and localization properties
of a quantum system, giving rise to intriguing quantum states of matter. The rich interplay of …

Manipulating directional flow in a two-dimensional photonic quantum walk under a synthetic magnetic field

Q Lin, W Yi, P Xue - Nature Communications, 2023 - nature.com
Matter transport is a fundamental process in nature. Understanding and manipulating flow in
a synthetic media often have rich implications for modern device design. Here we …

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 …