Vortex dynamics in coupled BEC rings is governed by circulating acoustic excitations; frequency and damping are predicted by a hydrodynamic model matching BdG analysis and GPE simulations, with resonant barrier modulation enabling controlled transfer even for density-separated condensates.
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Controlled acoustic-driven vortex transport in coupled superfluid rings
Vortex dynamics in coupled BEC rings is governed by circulating acoustic excitations; frequency and damping are predicted by a hydrodynamic model matching BdG analysis and GPE simulations, with resonant barrier modulation enabling controlled transfer even for density-separated condensates.