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Pure spin current vs. spin-polarized charge current?

  1. Apr 6, 2009 #1
    Is there anyone who understands (or has ever heard of) the difference between a pure spin current and a spin-polarized charge current?

    It causes a great deal of confusion for me, because I cannot imagine a current flowing without an accompanying charge flow... Guesses and conjectures are welcome. I have been struggling about this for quite some time now.

    Here's the paper and the context if you are interested in learning more:
    (hopefully you have a Nature subscription)

    http://www.nature.com/nphys/journal/v4/n11/full/nphys1095.html
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Apr 7, 2009 #2
    bump.

    I don't want to believe that nobody has even an opinion on this!
     
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