Mode entanglement of an electron in one-dimensional determined and random potentials
arXiv:0710.2586 · doi:10.1103/PhysRevA.71.042333
Abstract
By using the measure of concurrence, mode entanglement of an electron moving in four kinds of one-dimensional determined and random potentials is studied numerically. The extended and local- ized states can be distinguished by mode entanglement. There are sharp transitions in concurrence at mobility edges. It provides that the mode entanglement may be a new index for a metal-insulator transition.
6 pages,16 figures
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