Instantons and constituent monopoles

Abstract

We review how instanton solutions at finite temperature can be seen as boundstates of constituent monopoles, discuss some speculations concerning their physical relevance and the lattice evidence for their presence in a dynamical context.

34 pages, 14 figs (in 35 parts), presented at the Cracow School of Theoretical Physics, Zakopane, May 30 - June 8, 2003