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arXiv 0801.2781physics.plasm-ph
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托卡马克中的电场

Electric Fields in a Tokamak

Robert W. Johnson

摘要:

在环对称托卡马克中建立了平衡态的消失网静电场[R. W.约翰逊,出现在物理修订版D],一个是左需要一个解释的测量表观径向电场在实验中。根据所考虑的测量类型,提出了两种设想。通过杂质物质的径向运动方程的间接测量可能测量该物质的净径向粘性力,并且通过运动斯塔克效应的直接测量可能揭示由环形磁通量密度的移位产生的电场。

英文摘要:

With the establishment of vanishing net electrostatic fields in a toroidally symmetric tokamak at equilibrium [R. W. Johnson, to appear in Phys. Rev. D], one is left needing an explanation for the measurement of an apparent radial electric field in experiments. Two scenarios are proposed, depending on the type of measurement being considered. Indirect measurement via the radial equation of motion for an impurity species possibly measures that species' net radial viscous force, and direct measurement via the motional Stark effect might reveal electric fields generated by the shifting of the toroidal magnetic flux density.

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