- #1
beda
- 2
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I state that I am a beginner in QFT, but it seems to me that the methods to regularize the integrals of the perturbation series before renormalize serve to cut off the high-energy modes that are responsable for the UV divergences. This ( the cut off of high-energy modes ) nevertheless is not so obvius with regard to the dimensional regulaization.I would therefore understand the link that there is between the dimensional regularization and high-energy modes. Thank you