Recent Results in Scalar QED

Abstract

In this talk we present some recent and new results on the phase structure and the continuum limit of lattice formulation of pure gauge QED coupled to Higgs fields. We show the presence of second order phase transition lines allowing for a continuum limit. Nevertheless, finite size analysis shows that this theory is logarithmically trivial. The role of magnetic monopoles is also shown.

Comments: PS file with figures included, 3 pag., Pre-UAB-FT-330 (to appear in the Lattice93 Proceedings)