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Updated: Jun 5, 2026

Preparation of Free-Surface Hyperbolic Water Vortices
Published on: July 28, 2023
Vortices and the entrainment transition in the two-dimensional Kuramoto model
Tony E Lee1, Heywood Tam, G Refael
1Department of Physics, California Institute of Technology, Pasadena, California 91125, USA.
Abstract:
We study synchronization in the two-dimensional lattice of coupled phase oscillators with random intrinsic frequencies. When the coupling K is larger than a threshold K{E} , there is a macroscopic cluster of frequency-synchronized oscillators. We explain why the macroscopic cluster disappears at K{E} . We view the system in terms of vortices, since cluster boundaries are delineated by the motion of these topological defects. In the entrained phase (K>K{E}) , vortices move in fixed paths around clusters, while in the unentrained phase (K
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