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Díaz García, Elena ; Sedrakyan, A. ; Sedrakyan, D. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2007-01We consider a ladder model of DNA for describing carrier transport in a fully coherent regime through finite segments. A single orbital is associated to each base, and both interstrand and intrastrand overlaps are considered within the nearest-n[...]texto impreso
Hakobyan, T. ; Sedrakyan, D. ; Sedrakyan, A. ; Gómez, I. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2000-05-01Electron and phonon states in two different models of intentionally disordered superlattices are studied analytically as well as numerically. The localization length is calculated exactly and we found that it diverges for particular energies or [...]
