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Exact evolution equation for the effective potential

Authors
  • Wetterich, Christof
Type
Preprint
Publication Date
Oct 16, 2017
Submission Date
Oct 16, 2017
Identifiers
DOI: 10.1016/0370-2693(93)90726-X
Source
arXiv
License
Yellow
External links

Abstract

We derive a new exact evolution equation for the scale dependence of an effective action. The corresponding equation for the effective potential permits a useful truncation. This allows one to deal with the infrared problems of theories with massless modes in less than four dimensions which are relevant for the high temperature phase transition in particle physics or the computation of critical exponents in statistical mechanics.

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