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physics.plasm-ph2026
Gyrokinetic simulations on zonal flow-turbulence spreading coupling
Min Ki Jung, Sumin Yi, Taik Soo Hahm +1
Zonal flows and turbulence spreading play important roles in magnetic fusion plasma confinement, yet their coupling mechanisms remain elusive. Using global nonlinear gyrokinetic si…
physics.plasm-ph2024
Inelastic collisions facilitating runaway electron generation in weakly-ionized plasmas
Y. Lee, P. Aleynikov, P. C. de Vries +7
Dreicer generation is one of the main mechanisms of runaway electrons generation, in particular during tokamak startup. In fully ionized plasma it is described as a diffusive flow…