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Advanced tokamak physics in DIII-D

et al.

Published Web Location

https://doi.org/10.1088/0741-3335/42/12b/307
Creative Commons 'BY' version 4.0 license
Abstract

Advanced tokamaks seek to achieve a high bootstrap current fraction without sacrificing fusion power density or fusion gain. Good progress has been made towards the DIII-D research goal of demonstrating a high-β advanced tokamak plasma in steady state with a relaxed, fully non-inductive current profile and a bootstrap current fraction greater than 50%. The limiting factors for transport, stability, and current profile control in advanced operating modes are discussed in this paper.

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