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Magnetic flux tubes

  1. Apr 5, 2012 #1
    Does a magnetic flux tube always have a current flowing in it?

    Where is the current? Electrons on the surface and protons inside?

    Why are flux tubes magnetically buoyant? That is, why is there a difference in pressure inside and outside the tube.

    As far as these questions go, is there any difference between ordinary Type I flux tubes and quantum Type II flux tubes?
  2. jcsd
  3. Apr 5, 2012 #2
    No replies. Now what do I do? The last time I reposted in another group I was penalized.
  4. Apr 9, 2012 #3
    I found it. It is called Birkeland current.
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