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Thermal Field Theory Integration over the modes?

  1. Jul 21, 2010 #1
    The question is more of a mathematical question then one about physics in the attached file between equations 6 and 7 it says "integration over the modes" i don't know how they go from the integration measure

    \int D\phi \rightarrow \int D\phi_1 D\phi_2...D\phi_N

    any advice would be helpful, thanks in advance!

    Attached Files:

  2. jcsd
  3. Jul 22, 2010 #2


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    Last edited by a moderator: Apr 25, 2017
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