Reconstruction of flux coordinates from discretized magnetic field maps

I. Predebon,B. Momo,Yasuhiro Suzuki,F. Auriemma

PLASMA PHYSICS AND CONTROLLED FUSION（2018）

Cited 3|Views25

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Abstract

We provide a simple method to build a straight field-line coordinate system from discretized (Poincare) magnetic field maps. The method is suitable for any plasma domain with nested flux surfaces, including magnetic islands. Illustrative examples are shown for tokamak, heliotron, and reversed-field-pinch plasmas with m = 1 islands.

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Key words

flux coordinates,magnetic topology,magnetic islands,3D equilibria

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