Alpha-Channeling Simulation Experiment in the DIII-D Tokamak
Published Web Locationhttps://doi.org/10.1103/physrevlett.93.085002
Alfvén instabilities can reduce the central magnetic shear via redistribution of energetic ions. They can sustain a steady state internal transport barrier as demonstrated in this DIII-D tokamak experiment. Improvement in burning plasma performance based on this mechanism is discussed.