Topological corner states are exotic topological boundary states bounded to zero-
dimensional geometry even when the dimension of bulk systems is larger than one. So far …

Local density of states (LDOS) is emerging as powerful means of exploring classical-wave
topological phases. However, the current LDOS detection method remains rare and merely …

The local density of states (LDOS), which describes the space-resolved density of states,
has been studied in the context of exploring topological materials. Here, we report the …

In topological crystalline insulators, the presence of crystalline symmetries can lead to a
filling anomaly—a mismatch in electron counts that causes quantized fractional charges at …

Observations of acoustic Wannier configurations revealing topological corner anomaly
Observations of acoustic Wannier configurations revealing topological corner anomaly Sci Bull …

The measurement of topological insulators is usually achieved by measuring spectra, which
is inadequate in higher-order topological insulators because the separation of bandgaps …

Acoustic vortices (AVs) carrying orbital angular momentum (OAM) have attracted a lot of
scientific interest due to their unique applications in microparticle trap** and manipulation …

Fractal is an intriguing geometry with self-similarity and non-integer dimensions, the elastic-
wave topological phase based on fractal structures has not been revealed up to now. In this …

Non-Hermitian factors play a key role in introducing changes to the topology of acoustic
systems, by significantly expanding the classification of topological phases beyond …

The body–boundary correspondence refers to the relationship between the body and
boundary states of topological insulators (TIs). In TIs, the presence of boundary states is …