We study the localization properties of the tight-binding equation un+1+un-1+Vn=Eun, where the on-site potential Vn is neither periodic nor random, but is aperiodic or pseudorandom. We carry out numerical work involving direct diagonalization to study localization properties of the model.
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H. Cruz, J. Appl. Phys. 113, 153706 (2013).