Quadrature skyrmions in two-dimensionally arrayed parametric resonators
arXiv:2304.05018 · doi:10.1103/PhysRevResearch.5.043076
Abstract
Skyrmions are topological solitons in two-dimensional systems and have been observed in various physical systems. Generating and controlling skyrmions in artificial resonator arrays lead to novel acoustic, photonic, and electric devices, but it is a challenge to implement a vector variable with the chiral exchange interaction. Here, we propose to use quadrature variables, where their parametric coupling enables skyrmions to be stabilized. A finite-element simulation indicates that a acoustic skyrmion would exist in a realistic structure consisting of a piezoelectric membrane array.
arXiv comment24 pages, 12 figures
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