A pr 2 00 4 Phase Structure of Non-Compact QED 3 and the Abelian Higgs Model ∗

Abstract

We review the phase structure of a three-dimensional, non-compact Abelian gauge theory (QED3) as a function of the number N of 4-component massless fermions. There is a critical N c up to which there is dynamical fermion mass generation and an associated global symmetry breaking. We discuss various approaches to the determination of N c , which lead to… (More)

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