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Cooper pair spin

  1. Sep 25, 2012 #1
    Does the cooper pairs spins (up and down) cancelling out have anything to do with anything? Is the current spin polarized in a superconductor?
     
  2. jcsd
  3. Sep 26, 2012 #2
    The spins in a cooper pair add to zero so you have a scaler particle that behaves a little like the higgs'. It gives mass to the photon stopping the electromagnetic field from penetrating the material. This is known as the Meissener effect.
     
  4. Sep 26, 2012 #3

    DrDu

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    Science Advisor

    I think there are some exotic superconductors with a triplet (parallel spins) instead of singlet pairing.
    The properties of the ground state are then richer.
     
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