Critical behavior in the electroweak phase transition

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Abstract
We examine the behavior of the standard-model electroweak phase transition in the early Universe. We argue that close to the critical temperature it is possible to estimate the effective infrared corrections to the one-loop potential using well-known ɛ-expansion results from the theory of critical phenomena in three spatial dimensions. The theory with the ɛ-corrected potential exhibits much larger fluctuations in the spatial correlations of the order parameter, considerably weakening the strength of the transition.
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