Topological elastic metamaterials have emerged as a new frontier in the quest of topological
phases in condensed matter physics. Their exotic topological properties open a wealth of …

The geometric phase provides important mathematical insights to understand the
fundamental nature and evolution of the dynamic response in a wide spectrum of systems …

Topological elastic wave metamaterials provide a new mechanism to tune wave energy and
provide engineering applications which are difficult to realize by traditional structures. This …

Photonic topological insulators protected by the lattice spatial symmetry (eg, inversion and
rotation symmetry) mainly support single type edge state, interpreted by either valley or …

In elastic systems, the researchers have observed the topological valley edge states.
However, the topological valley edge states can only enable elastic waves to propagate …

Periodic plates are regarded as a promising platform for topological insulator investigation.
However, most studies on the topological insulator are conducted by the ω (k) method and …

In conventional theories, topological band properties are intrinsic characteristics of the bulk
material and do not depend on the choice of the reference frame. In this scenario, the …

Due to the bending resistance and defect immunity of the topological optical structure,
topological photonics is extended to researching Fano line shapes or electromagnetically …

Recently, concepts from topological physics have been used to achieve exceptional elastic
wave transport phenomena in 3D mechanical systems. Although interesting, the previously …

We experimentally investigate the valley-Hall effect for interfacial edge states, highlighting
the importance of the modal patterns between geometrically distinct regions within a …