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arXiv physics/0510140physics.plasm-phphysics.class-ph
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关于磁微分方程的可解性

On the Solvability of Magnetic Differential Equations

Wolfgang Engelhardt

摘要:

电阻平衡和理想等离子体平衡的计算相当于求解多个$\vec {B}\cdot \nabla Φ=s$型磁微分方程。应用势$Φ$存在的充要条件,发现轴对称环形几何中不存在磁约束等离子体的静力平衡位形.

英文摘要:

The calculation of both resistive and ideal plasma equilibria amounts to solving a number of magnetic differential equations which are of the type $\vec {B}\cdot \nabla Φ=s$. We apply the necessary and sufficient criterion for the existence of the potential $Φ$ and find that a static equilibrium configuration of a magnetically confined plasma does not exist in axi-symmetric toroidal geometry.

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