Over the past decade, topology has emerged as a major branch in broad areas of physics,
from atomic lattices to condensed matter. In particular, topology has received significant …

Topological photonics has attracted increasing attention in recent years due to the unique
opportunities it provides to manipulate light in a robust way immune to disorder and defects …

Higher-order topological insulators (HOTIs) which go beyond the description of conventional
bulk-boundary correspondence, broaden the understanding of topological insulating …

Topological photonics is a rapidly emerging field of research in which geometrical and
topological ideas are exploited to design and control the behavior of light. Drawing …

The rapid development of topological photonics and acoustics calls for accurate
understanding of band topology in classical waves, which is not yet achieved in many …

The extraordinary electronic properties of Dirac materials, the two-dimensional partners of
Weyl semimetals, arise from the linear crossings in their band structure. When the dispersion …

The topological phases in materials have been studied in recent decades for their unique
boundary states and transport properties. Photonic systems with band structures embrace …

Photonic topological states have revolutionized the understanding of the propagation and
scattering of light. The recent discovery of higher‐order photonic topological insulators …

Symmetry and topology are two fundamental aspects of many quantum states of matter.
Recently new topological materials, higher-order topological insulators, were discovered …

Originally a pure mathematical concept, topology has been vigorously developed in various
physical systems in recent years, and underlies many interesting phenomena such as the …