Critical Behavior in the Electroweak Phase Transition

Details Critical Behavior in the Electroweak Phase Transition Critical Behavior in the Electroweak Phase Transition

1992-08-19

arxiv.org/abs/hep-ph/9208231v1

Phys.Rev. D48 (1993) 1560-1570

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages

Scientific paper

10.1103/PhysRevD.48.1560

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 {\it effective} infrared corrections to the 1-loop potential using well known $\varepsilon$-expansion results from the theory of critical phenomena in 3 spatial dimensions. The theory with the $\varepsilon$-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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