Magnetic well: Difference between revisions

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where <math>\bar r</math> is the average radius of a flux surface.
where <math>\bar r</math> is the average radius of a flux surface.
A positive gradient of ''w'' corresponds to a magnetic well, and a negative gradient to a magnetic hill.
A positive gradient of ''w'' corresponds to a magnetic well (stable), and a negative gradient to a magnetic hill (unstable).


== References ==
== References ==
<references />
<references />

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