Mesoscopic transport revisited

Having driven a large part of the decade's progress in physics, nanoelectronics is now passing from today's realm of the extraordinary to tomorrow's commonplace. This carries the problem of turning proofs of concept into practical artefacts. Better and more sharply focussed predictive modelling will be the ultimate guide to optimising mesoscopic technology as it matures. Securing this level of understanding needs a reassessment of the assumptions at the base of the present state of the field. We offer a brief overview of the underlying assumptions of mesoscopic transport.