Abstract
The four-fermion interaction in 2+1 dimensions is nonrenormalizable in weak coupling perturbation theory. We show that this model is in fact renormalizable order by order in the 1/ expansion, and we find this theory a finite ultraviolet fixed point.
- Received 13 October 1988
DOI:https://doi.org/10.1103/PhysRevLett.62.1433
©1989 American Physical Society