  A study is made of properties of the Z(3) interface which forms between the
different ordered phases of pure SU(3) gauge theory above a critical
temperature. The theory is simulated on a (2+1)-D lattice at various
temperatures above this critical point. At high temperatures, the interface
tension is shown to agree well with the prediction of perturbation theory. Near
the critical temperature, the interface behaviour is characterised by various
displacement moments, and modelled by an interacting scalar field theory. This
thesis is provided for reference, as it gives full details of the computational
and statistical methods outlined only briefly in preprints hep-lat/9605040 and
hep-lat/9607005.
