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Simulation of zonal flow excitation by drift mode turbulence: applications to tokamaks and the magnetopause

Davies, J. A.; Vaivads, A.; Dunlop, M. W. +5 more

Recently, we investigated the interaction between broadband drift mode turbulence and zonal flows near the edge of a region of magnetized plasma (Trines et al 2005 Phys. Rev. Lett. 94 165002). Our simulation results showed the development of a zonal flow through the modulational instability of the drift wave distribution, as well as the existence …