Originally discovered in condensed matter systems, topological insulators (TIs) have been
ubiquitously extended to various fields of classical wave physics including photonics …

Acoustic topological insulators have revolutionized our understanding of acoustic wave
propagation, providing a robust way to manipulate acoustic waves. Acoustic switches offer …

Topological insulators are a research hotspot due to their unique properties of
backscattering immunity and defect insensitivity for edge states propagating on the complex …

Recent progress in topological mechanics has revealed a family of Maxwell lattices that
exhibit topologically protected floppy edge modes. These modes lead to a strongly …

Recently, the quantum effect of condensed matter physics is introduced into the acoustic
field, which lays a new pathway to manipulate the acoustic wave. However, the acoustic …

Acoustic topological insulators inspired by quantum Hall effects exhibit topologically
protected edge states and offer great potential for manipulating sound waves. However …

Abstract Valley Hall topological insulators (VHTIs) in condensed matter physics have been
recently extended to acoustic systems and have attracted great attention. However, the …

Impurities usually affect the transmission of acoustic signals, and how to effectively suppress
their adverse effects is an important content in the research of acoustic materials. In a recent …

Topological phononics are well known for their topological edge states (TES) due to
backscattering immunity and pseudospin-dependent phonon transport. Here, we study two …

The emergence and development of phononic crystals provide a feasible way to manipulate
the propagation of elastic waves in structures. In this study, a class of single-phase 2D …