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 …
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 …
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 …
Non-Abelian physics in light and sound
Non-Abelian phenomena arise when the sequence of operations on physical systems
influences their behaviors. By possessing internal degrees of freedom such as polarization …
influences their behaviors. By possessing internal degrees of freedom such as polarization …
Phonons as a platform for non-Abelian braiding and its manifestation in layered silicates
Topological phases of matter have revolutionised the fundamental understanding of band
theory and hold great promise for next-generation technologies such as low-power …
theory and hold great promise for next-generation technologies such as low-power …
Nodal lines in momentum space: topological invariants and recent realizations in photonic and other systems
Topological insulators constitute one of the most intriguing phenomena in modern
condensed matter theory. The unique and exotic properties of topological states of matter …
condensed matter theory. The unique and exotic properties of topological states of matter …
Topological acoustic triple point
Acoustic phonon is a classic example of triple degeneracy point in band structure. This triple
point always appears in phonon spectrum because of the Nambu–Goldstone theorem. Here …
point always appears in phonon spectrum because of the Nambu–Goldstone theorem. Here …
Intrinsic in-plane nodal chain and generalized quaternion charge protected nodal link in photonics
Nodal lines are degeneracies formed by crossing bands in three-dimensional momentum
space. Interestingly, these degenerate lines can chain together via touching points and …
space. Interestingly, these degenerate lines can chain together via touching points and …
Experimental observation of non-Abelian earring nodal links in phononic crystals
Nodal lines are symmetry-protected one-dimensional band degeneracies in momentum
space, which can appear in numerous topological configurations such as nodal rings …
space, which can appear in numerous topological configurations such as nodal rings …
Non-Abelian frame charge flow in photonic media
In PT-symmetric systems, the notion of non-Abelian frame charges enables multiband
topological characterization of degeneracies by examining the eigenvector-frame rotations …
topological characterization of degeneracies by examining the eigenvector-frame rotations …