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 …

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 …

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 …

Exact solution of non-Hermitian systems with generalized boundary conditions: size-dependent boundary effect and fragility of the skin effect

CX Guo, CH Liu, XM Zhao, Y Liu, S Chen - Physical Review Letters, 2021 - APS
Systems with non-Hermitian skin effects are very sensitive to the imposed boundary
conditions and lattice size, and thus an important question is whether non-Hermitian skin …

Topological Defect Engineering and Symmetry in Non-Hermitian Electrical Circuits

A Stegmaier, S Imhof, T Helbig, T Hofmann, CH Lee… - Physical Review Letters, 2021 - APS
We employ electric circuit networks to study topological states of matter in non-Hermitian
systems enriched by parity-time symmetry PT and chiral symmetry anti-PT (APT). The …

Observation of the non-Hermitian skin effect and Fermi skin on a digital quantum computer

R Shen, T Chen, B Yang, CH Lee - Nature Communications, 2025 - nature.com
Lately, the non-Hermitian skin effect (NHSE) has been demonstrated in various classical
metamaterials and even ultracold atomic arrays. Yet, its interplay with many-body dynamics …

Enhanced many-body quantum scars from the non-Hermitian Fock skin effect

R Shen, F Qin, JY Desaules, Z Papić, CH Lee - Physical Review Letters, 2024 - APS
In contrast with extended Bloch waves, a single particle can become spatially localized due
to the so-called skin effect originating from non-Hermitian pum**. Here we show that in …

Dimensional transmutation from non-hermiticity

H Jiang, CH Lee - Physical Review Letters, 2023 - APS
Dimensionality plays a fundamental role in the classification of novel phases and their
responses. In generic lattices of 2D and beyond, however, we found that non-Hermitian …

Non-Hermitian photonic band winding and skin effects: a tutorial

H Wang, J Zhong, S Fan - Advances in Optics and Photonics, 2024 - opg.optica.org
Non-Hermitian band structures have gained considerable attention due to the novel
phenomena not present in their Hermitian counterparts and their connection to various …