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Classical and Neoclassical Transport in Tokamaks

P. Helander

Fusion Science and Technology / Volume 61 / Number 2T / February 2012 / Pages 133-141

Transport Theory / Proceedings of the Tenth Carolus Magnus Summer School on Plasma and Fusion Energy Physics

These lecture notes provide a short overview of classical and neoclassical transport in tokamaks. The classical theory is widely applicable in laboratory and space plasma physics if the mean free path is shorter than the macroscopic scale length. The neoclassical theory predicts important phenomena in tokamaks such as the bootstrap current, electric conductivity, transport in the scrape-off layer, and cross-field transport in regions where the turbulence is suppressed.

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