Observation of Modes in an Acoustic Floquet System
Topological phases of matter have remained an active area of research in the last few
decades. Periodic driving is a powerful tool for enriching such exotic phases, leading to …
decades. Periodic driving is a powerful tool for enriching such exotic phases, leading to …
Square-root higher-order Weyl semimetals
The mathematical foundation of quantum mechanics is built on linear algebra, while the
application of nonlinear operators can lead to outstanding discoveries under some …
application of nonlinear operators can lead to outstanding discoveries under some …
Square-root non-Bloch topological insulators in non-Hermitian ring resonators
We investigate the topological skin effect in a ring resonator array which can be mapped into
the square root of a Su-Schrieffer-Heeger (SSH) model with non-Hermitian asymmetric …
the square root of a Su-Schrieffer-Heeger (SSH) model with non-Hermitian asymmetric …
3/2 magic angle quantization rule of flat bands in twisted bilayer graphene and its relationship to the quantum Hall effect
Flat band electronic modes in twisted graphene bilayers are responsible for
superconducting and other highly correlated electron-electron phases. Although some hints …
superconducting and other highly correlated electron-electron phases. Although some hints …
One-dimensional -root topological insulators and superconductors
Square-root topology is a recently emerged subfield describing a class of insulators and
superconductors whose topological nature is only revealed upon squaring their …
superconductors whose topological nature is only revealed upon squaring their …
Square-root higher-order topology in rectangular-lattice acoustic metamaterials
Square-root topology offers a distinctive scheme towards topological phases with
unconventional spectral properties. In many cases, the formation of square-root topology is …
unconventional spectral properties. In many cases, the formation of square-root topology is …
Realization of edge and corner states in photonic crystals with kagome lattices through topological insulator generators
YH He, YF Gao, Y He, XF Qi, JQ Si, M Yang… - Optics & Laser …, 2023 - Elsevier
High-order topological insulators can be realized via two-dimensional photonic crystals
(PCs) with different lattices including honeycomb, square and kagome lattices. In this paper …
(PCs) with different lattices including honeycomb, square and kagome lattices. In this paper …
th-root non-Hermitian Floquet topological insulators
Floquet phases of matter have attracted great attention due to their dynamical and
topological nature that are unique to nonequilibrium settings. In this work, we introduce a …
topological nature that are unique to nonequilibrium settings. In this work, we introduce a …
Two-dimensional Weyl nodal-line semimetal and antihelical edge states in a modified Kane-Mele model
The Kane-Mele model has been modified to achieve versatile topological phases. Previous
work [T. Frank, Phys. Rev. Lett. 120, 156402 (2018) 0031-9007 10.1103/PhysRevLett …
work [T. Frank, Phys. Rev. Lett. 120, 156402 (2018) 0031-9007 10.1103/PhysRevLett …
Realization of second-order photonic square-root topological insulators
Square-root higher-order topological insulators (HOTIs) are recently discovered new
topological phases, with intriguing topological properties inherited from a parent lattice …
topological phases, with intriguing topological properties inherited from a parent lattice …