Multifractal scaling of electronic transmission resonances in perfect and imperfect Fibonacci δ-function potentials

PrabhatK. Thakur and Parthapratim Biswas

Physica A: Statistical Mechanics and its Applications, 1999, vol. 265, issue 1, 1-18

Abstract: We present here a detailed multifractal scaling study for the electronic transmission resonances with the system size for an infinitely large one-dimensional perfect and imperfect quasiperiodic system represented by a sequence of δ-function potentials. The electronic transmission resonances in the energy minibands manifest more and more fragmented nature of the transmittance with the change of system size. We claim that when a small perturbation is randomly present at a few number of sites or layers, the nature of electronic states will change and this can be understood by studying the electronic transmittance with the change of system size. We report the different critical states manifested in the size variation of the transmittance corresponding to the resonant energies for both perfect and imperfect cases through multifractal scaling study for few of these resonances.

Keywords: Multifractal scaling; Electronic transmission resonances; Quasiperiodic system (search for similar items in EconPapers)
Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:265:y:1999:i:1:p:1-18

DOI: 10.1016/S0378-4371(98)00559-7

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