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 …

Non-Hermitian Floquet topological matter—a review

L Zhou, DJ Zhang - Entropy, 2023 - mdpi.com
The past few years have witnessed a surge of interest in non-Hermitian Floquet topological
matter due to its exotic properties resulting from the interplay between driving fields and non …

Anomalous skin effects in disordered systems with a single non-Hermitian impurity

P Molignini, O Arandes, EJ Bergholtz - Physical Review Research, 2023 - APS
We explore anomalous skin effects at non-Hermitian impurities by studying their interplay
with potential disorder and by exactly solving a minimal lattice model. A striking feature of …

Phase transitions and bunching of correlated particles in a non-Hermitian quasicrystal

S Longhi - Physical Review B, 2023 - APS
Noninteracting particles in non-Hermitian quasicrystals display localization-delocalization
and spectral phase transitions in complex energy plane that can be characterized by point …

Entanglement dynamics in the many-body Hatano-Nelson model

T Orito, KI Imura - Physical Review B, 2023 - APS
The entanglement dynamics in a non-Hermitian quantum system is studied numerically and
analyzed from the viewpoint of quasiparticle picture. As a concrete model, we consider a …

Incoherent non-Hermitian skin effect in photonic quantum walks

S Longhi - Light: Science & Applications, 2024 - nature.com
The non-Hermitian skin effect describes the concentration of an extensive number of
eigenstates near the boundaries of certain dissipative systems. This phenomenon has …

Edge-selective extremal damping from topological heritage of dissipative Chern insulators

SS Hegde, T Ehmcke, T Meng - Physical Review Letters, 2023 - APS
One of the most important practical hallmarks of topological matter is the presence of
topologically protected, exponentially localized edge states at interfaces of regions …

Transfer learning from Hermitian to non-Hermitian quantum many-body physics

S Sayyad, JL Lado - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Identifying phase boundaries of interacting systems is one of the key steps to understanding
quantum many-body models. The development of various numerical and analytical methods …

Real-space topological localizer index to fully characterize the dislocation skin effect

N Chadha, AG Moghaddam, J Van Den Brink, C Fulga - Physical Review B, 2024 - APS
The dislocation skin effect exhibits the capacity of topological defects to trap an extensive
number of modes in two-dimensional non-Hermitian systems. Similar to the corresponding …

Inhibition of non-Hermitian topological phase transitions in sliding photonic quasicrystals

S Longhi - Optics Letters, 2023 - opg.optica.org
Non-Hermitian (NH) quasicrystals have been a topic of increasing interest in current
research, particularly in the context of NH topological physics and materials science …