Fermionic effective action and the pahse estructure of non compact quantum electrodynamics in 2+1 dimensions

Abstract

We study the phase diagram of non compact $QED_3$ using the microcanonical fermionic average method described elsewhere. We present evidence for a continuous phase transition line in the $\beta, N$ plane, extending down to arbitrarily small flavour number $N$.Comment: 12 pags + 1 table + 5 figs; Ref: DFTUZ 93.0