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Explaining renormalization group equations for effective couplings

  1. May 9, 2013 #1
    Hi Everyone,

    I am currently working through the mathematics of a paper and I've hit a bit of a block when trying to find a set of differential renormalization group equations.

    To the best of my knowledge, a renormalization equation is like a re-scaling equation; instead of repeating a transformation again and again, you can find a set of equations for the couplings that scale the original equation for you. So you don't have to keep repeating the transformation; is this the right idea?

    I'm just looking for help to explain this in plain english if that is possible please.
     
  2. jcsd
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