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Acoustic metamaterials using Willis coupling

     PhD        Complex Dynamics

Metamaterials have demonstrated a rich variety of fundamental physical properties in many fields, including optics, microwaves, gravitational water waves, and condensed matter. There has been a strong push to transfer these ideas and create metamaterials for structural mechanics, elastic waves in solids, and acoustic waves in fluids. One of the most interesting types of metamaterials to emerge in recent years are metasurfaces, structures which are much thinner than their operating wavelength...