Abstract
We study the lattice gauge boson propagator of3 D compact QED in Landau gauge at zero and non-zero temperature. Non-perturbative effects are reflected by the generation of a mass m, by an anomalous dimension α and by the photon wave function renormalisation Z. These effects can be attributed to monopoles: they are absent in the propagator of the regular part of the gauge field. The role of Gribov copies is carefully investigated.
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