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Help with renormalization

  1. Dec 13, 2005 #1
    for a divergent series i can write an expression in the form:

    [tex]\int_{R}dxC(x)w(x)e^{-ax} [/tex]

    where a is a divegent quantity in the form [tex]a=ln\epsilon[/tex]

    the qeustion is how i would apply renormalization?..in fact if we apply functional differentiation respect to e^{-ax} we get

    [tex]C(x)w(x) [/tex] the divergent term magically disappears
    Last edited: Dec 13, 2005
  2. jcsd
  3. Dec 25, 2005 #2

    Tom Mattson

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    Moving from Homework Help.
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