Renormalization-group study of weakly first-order phase transitions

Details Renormalization-group study of weakly first-order phase transitions Renormalization-group study of weakly first-order phase transitions

1997-06-12

arxiv.org/abs/hep-th/9706088v3

Phys.Lett. B431 (1998) 380-386

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, 4 figures in eps format

Scientific paper

10.1016/S0370-2693(98)00575-9

We study the universal critical behaviour near weakly first-order phase transitions for a three-dimensional model of two coupled scalar fields -- the cubic anisotropy model. Renormalization-group techniques are employed within the formalism of the effective average action. We calculate the universal form of the coarse-grained free energy and deduce the ratio of susceptibilities on either side of the phase transition. We compare our results with those obtained through Monte Carlo simulations and the epsilon-expansion.

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