On the role of a new type of correlated disorder in extended electronic states in the Thue-Morse lattice
Arunava Chakrabarti, S. N. Karmakar, R. K. Moitra
Abstract
A new type of correlated disorder is shown to be responsible for the appearance of extended electronic states in one-dimensional aperiodic systems like the Thue-Morse lattice. Our analysis leads to an understanding of the underlying reason for the extended states in this system, for which only numerical evidence is available in the literature so far. The present work also sheds light on the restrictive conditions under which the extended states are supported by this lattice.
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