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Updated: Feb 10, 2026

Basic Research in Plasma Medicine - A Throughput Approach from Liquids to Cells
Published on: November 17, 2017
Nonlinear Electromagnetic Stabilization of Plasma Microturbulence
G G Whelan1, M J Pueschel1,2, P W Terry1
1Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
Abstract:
The physical causes for the strong stabilizing effect of finite plasma β on ion-temperature-gradient-driven turbulence, which far exceeds quasilinear estimates, are identified from nonlinear gyrokinetic simulations. The primary contribution stems from a resonance of frequencies in the dominant nonlinear interaction between the unstable mode, the stable mode, and zonal flows, which maximizes the triplet correlation time and therefore the energy transfer efficiency. A modification to mixing-length transport estimates is constructed, which reproduces nonlinear heat fluxes throughout the examined β range.
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