Infra-Red Finite, Physical Electron Propagator in 2+1 Dimensions
arXiv:hep-th/0412261 · doi:10.1016/j.physletb.2004.06.075
Abstract
In this paper we study the infra-red behaviour of a gauge invariant and physically motivated description of a charged particle in 2+1 dimensions. We show that both the mass shift and the wave function renormalisation are infra-red finite on-shell.
11 pages