Topological acoustics is an emerging field that lies at the intersection of condensed matter
physics, mechanical structural design and acoustics engineering. It explores the design and …

Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …

Phonons, as the most fundamental emergent bosons in condensed matter systems, play an
essential role in the thermal, mechanical, and electronic properties of crystalline materials …

The concept of topological energy bands and their manifestations have been demonstrated
in condensed matter systems as a fantastic paradigm toward unprecedented physical …

Higher-order topological phases have raised widespread interest in recent years with the
occurrence of the topological boundary states of dimension two or more less than that of the …

Chiral anomaly as the hallmark feature lies in the heart of the researches for Weyl
semimetal. It is rooted in the zeroth Landau level of the system with an applied magnetic …

Nontrivial band topologies have been discovered in classical systems and hold great
potential for device applications. Unlike photons, sound has fundamentally different …

In the past few decades, the discovery of topological matter states has ushered in a new era
in topological physics, providing a robust framework for strategically controlling the transport …

Topological phonons in crystalline materials have been attracting great interest. Most cases
studied so far are direct generalizations of the topological states from electronic systems …