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 …
Hyperbolic non-Abelian semimetal
We extend the notion of topologically protected semi-metallic band crossings to hyperbolic
lattices in a negatively curved plane. Because of their distinct translation group structure …
lattices in a negatively curved plane. Because of their distinct translation group structure …
A brief review of hybrid skin-topological effect
During the past two decades, non-Hermitian physics has been one of the most active and
rapidly advancing branches of physics, where effective non-Hermitian Hamiltonians [1, 2]∗ …
rapidly advancing branches of physics, where effective non-Hermitian Hamiltonians [1, 2]∗ …
Anomalous Andreev spectrum and transport in non-Hermitian Josephson junctions
We propose a phase-biased non-Hermitian Josephson junction (NHJJ) composed of two
superconductors mediated by a short non-Hermitian link. Such a NHJJ is described by an …
superconductors mediated by a short non-Hermitian link. Such a NHJJ is described by an …
Non-Hermitian quantum fractals
The first quantum fractal discovered in physics is the Hofstadter butterfly. It stems from large
external magnetic fields. We discover instead a class of non-Hermitian quantum fractals …
external magnetic fields. We discover instead a class of non-Hermitian quantum fractals …
Anderson transition and mobility edges on hyperbolic lattices with randomly connected boundaries
T Li, Y Peng, Y Wang, H Hu - Communications Physics, 2024 - nature.com
Hyperbolic lattices, formed by tessellating the hyperbolic plane with regular polygons,
exhibit a diverse range of exotic physical phenomena beyond conventional Euclidean …
exhibit a diverse range of exotic physical phenomena beyond conventional Euclidean …
Hyperbolic fractional Chern insulators
AL He, L Qi, Y Liu, YF Wang - Physical Review B, 2024 - APS
Fractional Chern insulators (FCIs) have attracted intensive attention for the realization of
fractional quantum Hall states in the absence of an external magnetic field. Most FCIs have …
fractional quantum Hall states in the absence of an external magnetic field. Most FCIs have …
Hyperbolic spin liquids
Hyperbolic lattices present a unique opportunity to venture beyond the conventional
paradigm of crystalline many-body physics and explore correlated phenomena in negatively …
paradigm of crystalline many-body physics and explore correlated phenomena in negatively …
Constraints of internal symmetry on the non-Hermitian skin effect and bidirectional skin effect under the action of the Hermitian conjugate of time-reversal symmetry
SX Wang - Physical Review B, 2024 - APS
Non-Hermitian skin effect is a basic phenomenon in non-Hermitian systems, which means
that an extensive number of eigenstates can be localized at the boundary. In this Letter, we …
that an extensive number of eigenstates can be localized at the boundary. In this Letter, we …
Anomalous andreev bound states in non-hermitian josephson junctions
We propose a non-Hermitian Josephson junction composed of two s-wave superconductors
separated by a non-Hermitian barrier. We discover that the Andreev bound states in such a …
separated by a non-Hermitian barrier. We discover that the Andreev bound states in such a …