The electronic structure of quasi-periodic metallic superlattices has been studied under the tight-binding approximation.The electronic densities of states are displayed for typical examples as results of numerical ev...The electronic structure of quasi-periodic metallic superlattices has been studied under the tight-binding approximation.The electronic densities of states are displayed for typical examples as results of numerical evalution.展开更多
The percolation critical line of an inhomogeneous system with simple cubic structure and periodic boundary condition is computed using a Monte Carlo method.We conclude that Hoshen and Kopelman's criterion applies ...The percolation critical line of an inhomogeneous system with simple cubic structure and periodic boundary condition is computed using a Monte Carlo method.We conclude that Hoshen and Kopelman's criterion applies to inhomogeneous systems,too.The implications on the localization of electron and phonon states in modulated alloys are also discussed.展开更多
文摘The electronic structure of quasi-periodic metallic superlattices has been studied under the tight-binding approximation.The electronic densities of states are displayed for typical examples as results of numerical evalution.
基金Institute of Condensed Matter Physics,Jiaotong University,Shanghai,China.
文摘The percolation critical line of an inhomogeneous system with simple cubic structure and periodic boundary condition is computed using a Monte Carlo method.We conclude that Hoshen and Kopelman's criterion applies to inhomogeneous systems,too.The implications on the localization of electron and phonon states in modulated alloys are also discussed.
