Topological non-Hermitian skin effect
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 …
particularly on its rich interplay with topology. The review starts off with a pedagogical …
A second wave of topological phenomena in photonics and acoustics
Light and sound are the most ubiquitous forms of waves, associated with a variety of
phenomena and physical effects such as rainbows and echoes. Light and sound, both …
phenomena and physical effects such as rainbows and echoes. Light and sound, both …
Observation of acoustic non-Hermitian Bloch braids and associated topological phase transitions
Topological features embedded in ancient braiding and knotting arts endow significant
impacts on our daily life and even cutting-edge science. Recently, fast growing efforts are …
impacts on our daily life and even cutting-edge science. Recently, fast growing efforts are …
Experimental observation of non-Abelian topological acoustic semimetals and their phase transitions
Topological phases of matter connect mathematical principles to real materials, and may
shape future electronic and quantum technologies. So far, this discipline has mostly focused …
shape future electronic and quantum technologies. So far, this discipline has mostly focused …
Topological phononic metamaterials
The concept of topological energy bands and their manifestations have been demonstrated
in condensed matter systems as a fantastic paradigm toward unprecedented physical …
in condensed matter systems as a fantastic paradigm toward unprecedented physical …
Homotopy, symmetry, and non-Hermitian band topology
Non-Hermitian matrices are ubiquitous in the description of nature ranging from classical
dissipative systems, including optical, electrical, and mechanical metamaterials, to scattering …
dissipative systems, including optical, electrical, and mechanical metamaterials, to scattering …
Experimental observation of non-Abelian topological charges and edge states
In the last few decades, topological phase,,,,,,,,,–has emerged as a new classification of
matter states beyond the Ginzburg–Landau symmetry-breaking paradigm. The underlying …
matter states beyond the Ginzburg–Landau symmetry-breaking paradigm. The underlying …
Floquet non-Abelian topological insulator and multifold bulk-edge correspondence
T Li, H Hu - Nature Communications, 2023 - nature.com
Topological phases characterized by non-Abelian charges are beyond the scope of the
paradigmatic tenfold way and have gained increasing attention recently. Here we …
paradigmatic tenfold way and have gained increasing attention recently. Here we …
Exceptional non-Abelian topology in multiband non-Hermitian systems
Defective spectral degeneracy, known as exceptional point (EP), lies at the heart of various
intriguing phenomena in optics, acoustics, and other nonconservative systems. Despite …
intriguing phenomena in optics, acoustics, and other nonconservative systems. Despite …
Topological Euler class as a dynamical observable in optical lattices
The last years have witnessed rapid progress in the topological characterization of out-of-
equilibrium systems. We report on robust signatures of a new type of topology—the Euler …
equilibrium systems. We report on robust signatures of a new type of topology—the Euler …