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Bose Einstein condensation in 2D finite space

  1. Nov 1, 2014 #1
    It can be easily proved that Bose Einstein condensation can be got in infinite 2D. But what about finite 2D with extreme large "Volume" L^2 ?
  2. jcsd
  3. Nov 4, 2014 #2


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    Staff: Mentor

    Actually, you can't get BEC in an infinite 2D system. If the volume is finite, then you can get a coherence length greater than the size of the system, and have effective condensation. You can also constrain a 3D condensate so much along one direction that it behaves as an effective 2D condensate.
  4. Nov 4, 2014 #3
    Thank you very much. I should have typed cannot but somehow made a mistake.
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