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 …

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 …

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 …

Entanglement phase transition induced by the non-Hermitian skin effect

K Kawabata, T Numasawa, S Ryu - Physical Review X, 2023 - APS
Recent years have seen remarkable development in open quantum systems effectively
described by non-Hermitian Hamiltonians. A unique feature of non-Hermitian topological …

Symmetry breaking and spectral structure of the interacting Hatano-Nelson model

SB Zhang, MM Denner, T Bzdušek, MA Sentef… - Physical review B, 2022 - APS
We study the Hatano-Nelson model, ie, a one-dimensional non-Hermitian chain of spinless
fermions with nearest-neighbor nonreciprocal hop**, in the presence of repulsive nearest …

Non-Hermitian topology in static mechanical metamaterials

A Wang, Z Meng, CQ Chen - Science advances, 2023 - science.org
The combination of broken Hermiticity and band topology in physical systems unveils a
novel bound state dubbed as the non-Hermitian skin effect (NHSE). Active control that …

Non-Hermitian topological magnonics

T Yu, J Zou, B Zeng, JW Rao, K **a - Physics Reports, 2024 - Elsevier
Dissipation in mechanics, optics, acoustics, and electronic circuits is nowadays recognized
to be not always detrimental but can be exploited to achieve non-Hermitian topological …

Quantum time reflection and refraction of ultracold atoms

Z Dong, H Li, T Wan, Q Liang, Z Yang, B Yan - Nature Photonics, 2024 - nature.com
Time reflection and refraction are temporal analogies of the spatial boundary effects derived
from Fermat's principle. They occur when classical waves strike a time boundary where an …

Photonic Floquet skin-topological effect

Y Sun, X Hou, T Wan, F Wang, S Zhu, Z Ruan… - Physical Review Letters, 2024 - APS
Non-Hermitian skin effect and photonic topological edge states are of great interest in non-
Hermitian physics and optics. However, the interplay between them is largely unexplored …

Optomechanical realization of the bosonic Kitaev chain

JJ Slim, CC Wanjura, M Brunelli, J Del Pino… - Nature, 2024 - nature.com
The fermionic Kitaev chain is a canonical model featuring topological Majorana zero modes.
We report the experimental realization of its bosonic analogue in a nano-optomechanical …