Calming the plasma edge: The tail that wags the dog

Experiments on the DIII-D tokamak that General Atomics operates for the U.S. Department of Energy (DOE) have demonstrated the ability of lithium injections to transiently double the temperature and pressure at the edge of the plasma and delay the onset of instabilities and other transients. Researchers conducted the experiments using a lithium- injection device developed at the DOE's Princeton Plasma Physics Laboratory (PPPL).

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