Abstract
The structural properties of an economical model for a confined plasma turbulence governor are investigated through bifurcation and stability analyses. Two types of discontinuous low to high confinement transition are found. One involves classical hysteresis, governed by viscous dissipation. The other is intrinsically oscillatory and non‐hysteretic, and thus provides a model for observed “dithering” transitions. This metamorphosis of the system dynamics is an important late side‐effect of symmetry‐breaking, which manifests as an unusual non‐symmetric transcritical bifurcation induced by a significant shear flow drive.
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