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Physics of Plasmas
A detailed study of blob formation, dynamics, and the associated convective transport in the scrape-off layer ͑SOL͒ of tokamak plasmas is presented. Dissipation level in the system, in addition to the blob size, is shown to play an important role in determining whether a blob propagates as a coherent object. Nonlinear SOL interchange/ballooning modes are shown to be capable of creating blobs near the separatrix without relying on the core or edge-plasma dynamics. Finally, the SOL densitydoi:10.1063/1.1927539 fatcat:dw5lnwon5ja7bjpual2n4azrju