Sauter, OlivierKim, DoohyunBehn, RolandCoda, StefanoDuval, B. P.Goodman, T. P.2013-04-142013-04-142013-04-142013https://infoscience.epfl.ch/handle/20.500.14299/91472It is shown that contrary to the plasma core, the edge region between rho_V=0.8 and 1 is not stiff. This non-stiffness is crucial for global confinement understanding. It is also shown that it can explain the strong confinement improvement with negative triangularity observed in TCV.transportturbulencetokamakplasmafusionconfinementprofile stiffnesstext::conference output::conference presentation