Anderson has shown that the one-dimensional disordered system has a pure point spectrum and all the electronic states are localized.

安德森的研究证明，一维无序系统的电子能谱是纯点谱，即所有的电子态都是局域态。

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The electronic structure of quasi one dimensional disordered system is studied by the computation of the density of electronic states with the help of the negative eigenvalue theory.

利用负本征值理论的态密度计算方法，研究了准一维双链无序系统的电子结构。

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