Magnetic Island Formation Due to Error Field in the JFT-2 Tokamak

概要

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A formation of islands in magnetic surfaces due to the error field in resonance with the rotational transform of magnetic lines of force in the tokamak device is described. The size of the islands has been obtained analytically so far, and is shown to be proportional to the square root of the intensity ratio of the error field to the azimuthal field and also inversely proportional to the square root of the shear. This theory is ascertained by a simple analysis which gives a physical picture more clearly. Islands which may appear due to the resonant components of the pulsed vertical field provided in the JFT-2 tokamak device are examined numerically, following the magnetic lines of force by the R. K. G, method and then are compared with the theory.
社団法人応用物理学会の論文
1975-01-05