Abstract
The mechanisms leading to the onset and sustainment of an Internal Transport Barrier are overviewed. It is shown that both magnetic shear and shear flow are important at different stages of a barrier evolution. The role of turbulent structures is also assessed. Large scale transport events are found to be impeded by the shear flow that takes place within a transport barrier. Zonal Flows appear to be quenched in most cases due to the cancellation of the Reynolds stress.
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Garbet, X., Ghendrih, P., Sarazin, Y., Beyer, P., Figarella, C., Benkadda, S. (2005). Internal Transport Barriers in Magnetised Plasmas. In: Burton, W., et al. Nonequilibrium Phenomena in Plasmas. Astrophysics and Space Science Library, vol 321. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3109-2_11
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