The properties of electronic transport and the cohesion force of quantum wires ( nanowires ) have been intensively concerned . these properties are not only signif - ical basic physical problems but also are of important potential application in the future as the theoretical basis of tomorrow ' s nanocircuit and nanodevice 量子线(纳米线)系统中的电子输运和内聚力一直是人们非常关心的问题，因为它不仅是一个重要的基础物理问题，而且有着潜在的应用前景，它将是今后纳米电路、纳米器件的重要物理基础
