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Theoretical study of the structure of the electric field in helical toroidal plasmas by the use of an anomalous transport model

S Toda, K Itoh2002年Plasma Physics and Controlled FusionIF 2.2出版社

A set of transport equations is analysed, including the bifurcation of theelectric field. The structure of the electric field is studied by the use of atheoretical model for anomalous transport diffusivities.A steep gradient of the electric field is obtained at the electric domain.The suppression of anomalous transport diffusivity is studied in the presence of a strong shear of the electric field. The hard transition between the multiple ambipolar solutions is examined in the structure of the radial electric field. The soft transition (without the multiple ambipolar electric field) is also obtained.

日本語訳

一連の輸送方程式が解析され、電場の分岐が含まれる。電場の構造は、異常輸送拡散係数に対する理論モデルを用いて研究される。電場の急峻な勾配が電場領域において得られる。異常輸送拡散係数の抑制は、電場の強いシアの存在下で研究される。複数の両極性解間のハード遷移が、径方向電場の構造において検討される。ソフト遷移(複数の両極性解を伴わない)もまた得られる。

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Anomalous transport
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