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Flux surface: Difference between revisions
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:<math>\vec B \cdot \vec n = 0</math> | :<math>\vec B \cdot \vec n = 0</math> | ||
everywhere. | everywhere. It is then possible to define a scalar ''flux function'' (''f'') such that its value is constant on the surface ''S'', and | ||
:<math>\vec B \cdot \vec \nabla f = 0</math> | :<math>\vec B \cdot \vec \nabla f = 0</math> | ||