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Vortex-ring quantum droplets in a radially-periodic potential
Abstract We establish stability and characteristics of two-dimensional (2D) vortex ring-shaped quantum droplets (QDs) formed by binary BoseāEinstein condensates. The system is modeled by the GrossāPitaevskii (GP) equation with the cubic term multiplied by a logarithmic factor (as produced by the Lee-Huang-Yang correction to the mean-field theory) and a potential ā¦