Universidad Complutense de Madrid
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Delocalization of states in two-component superlattices with correlated disorder



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Hakobyan, T. y Sedrakyan, D. y Sedrakyan, A. y Gómez, I. y Domínguez-Adame Acosta, Francisco (2000) Delocalization of states in two-component superlattices with correlated disorder. Physical Review B, 61 (17). pp. 11432-11436. ISSN 1098-0121

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URL Oficial: http://dx.doi.org/10.1103/PhysRevB.61.11432

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Electron 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 frequencies, suggesting the existence of delocalized states for both electrons and phonons. Numerical calculations for the transmission coefficient support the existence of these delocalized states.

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© 2000 The American Physical Society.
The work of T.H. and A.S. was supported in part by INTAS, Grant No. 96-524. Work at Madrid was supported by CAM, Grant No. 07N/0034/98.

Palabras clave:Random-Dimer Model, Off-Diagonal Disorder, Scaling Theory, Localization Properties, Electron-Transport, Binary-Alloys, Random Chains, Absence, Systems, Lattices
Materias:Ciencias > Física > Física de materiales
Código ID:27566
Depositado:05 Dic 2014 10:27
Última Modificación:05 Dic 2014 10:27

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