Non-Hermitian photonic band winding and skin effects: a tutorial
Non-Hermitian band structures have gained considerable attention due to the novel
phenomena not present in their Hermitian counterparts and their connection to various …
phenomena not present in their Hermitian counterparts and their connection to various …
Non-Hermitian Floquet topological matter—a review
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 …
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 …
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 …
and spectral phase transitions in complex energy plane that can be characterized by point …
Entanglement dynamics in the many-body Hatano-Nelson model
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 …
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 …
eigenstates near the boundaries of certain dissipative systems. This phenomenon has …
Edge-selective extremal damping from topological heritage of dissipative Chern insulators
One of the most important practical hallmarks of topological matter is the presence of
topologically protected, exponentially localized edge states at interfaces of regions …
topologically protected, exponentially localized edge states at interfaces of regions …
Transfer learning from Hermitian to non-Hermitian quantum many-body physics
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 …
quantum many-body models. The development of various numerical and analytical methods …
Real-space topological localizer index to fully characterize the dislocation skin effect
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 …
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 …
research, particularly in the context of NH topological physics and materials science …