Dispersion relations govern wave behaviors, and tailoring them is a grand challenge in
wave manipulation. We demonstrate the inverse design of phononic dispersion using …

We leverage quantum graph theory to quickly and accurately characterize acoustic
metamaterials comprising networks of interconnected pipes. Anisotropic bond lengths are …

Zero group velocity (ZGV) modes can be utilized in many applications in both optics and
acoustics. There exist numerous realizations of metamaterials with ZGVs at higher …

This paper investigates the intriguing roton-like phenomenon occurring in systems with non-
local interactions, wherein a single dispersion curve exhibits positive and negative group …

Over recent decades, the field of metamaterial research has grown rapidly with the intent of
engineering materials with special electromagnetic and acoustic wave properties, see for …

The intrigue of waves on periodic lattices and gratings has resonated with physicists and
mathematicians alike for decades. In-depth analysis has been devoted to the seemingly …

Existing research in metasurface design was based on trial-and-error high-intensity
iterations and requires deep acoustic expertise from the researcher, which severely …

Phonons are quasi-particles associated with mechanical vibrations in materials, at the root
of the propagation of sound, elastic/mechanical waves, and of thermal phenomena, common …