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RG dimension change

  1. Dec 17, 2012 #1

    atyy

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    In http://arxiv.org/abs/0912.3272 , figure 1.2 says that the 2D and 3D Ising universality classes are related by a renormalization flow. How can the RG flow change dimension? Is there anything I could read that does the calculation in more detail?
     
  2. jcsd
  3. Dec 18, 2012 #2

    DrDu

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    Maybe if the coupling between neighbouring sheets becomes irrelevant?
     
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