Beta function of three-dimensional QED
  We have carried out a Schrodinger-functional calculation for the Abelian gauge theory with Nf=2 four-component fermions in three dimensions. We find no fixed point in the beta function, meaning that the theory is confining rather than conformal. 
Benjamin Svetitsky, Ohad Raviv and Yigal Shamir (Tel Aviv University)
hep-lat cond-mat.str-el