Delocalization of states in two component superlattices with correlated disorder

Details Delocalization of states in two component superlattices with correlated disorder Delocalization of states in two component superlattices with correlated disorder

1999-12-10

arxiv.org/abs/cond-mat/9912175v1

Phys. Rev. B 61, 11432 (2000)

Physics

Condensed Matter

RevTeX, 12 pages, 2 PS figures added

Scientific paper

10.1103/PhysRevB.61.11432

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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