Non-Perturbative Analysis of the Coleman-Weinberg Phase Transition
D. Litim, C. Wetterich, N. Tetradis
Abstract
We perform a non-perturbative study of the Coleman-Weinberg phase transition in scalar QED. Our method permits a consistent treatment of the effective potential near the origin, a region not accessible to perturbation theory. As a result, we establish reliably the first order character of the phase transition for arbitrary values of the scalar coupling.
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