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Guiding centre simulation of the bootstrap current in a plasma with a current hole

A. Bergmann, E. Strumberger, A.G. Peeters2005年被引用 6Nuclear FusionIF 3出版社

The bootstrap current in a tokamak plasma with a very small poloidal magnetic field near the magnetic axis (current hole) is computed with guiding centre particle simulations including a Monte Carlo model of pitch-angle scattering. We find that the bootstrap current is very small inside the current hole, while the parallel plasma flow is of similar size as the neoclassical flow due to the pressure gradient outside the current hole.

日本語訳

磁気軸近傍に非常に小さいポロイダル磁場(電流ホール)を持つトカマクプラズマ中のブートストラップ電流を、ピッチ角散乱のモンテカルロモデルを含むジャイロ中心粒子シミュレーションにより計算した。ブートストラップ電流は電流ホール内部では非常に小さい一方、電流ホール外部では、平行プラズマ流は圧力勾配による新古典論的流れと同程度の大きさであることが分かった。

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Bootstrap current
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