Superdiffusive conduction: AC conductivity with correlated noise

Fernando A. Oliveira, Rafael Morgado, Alex Hansen and J.M. Rubi

Physica A: Statistical Mechanics and its Applications, 2005, vol. 357, issue 1, 115-121

Abstract: We present evidence of the existence of a superdiffusive regime in systems with correlated disorder for which localization is suppressed. An expression for anomalous electrical conductivity at low frequencies is found by using a generalized Langevin equation whose memory function accounts for the interactions between the carriers. New mechanisms inducing a superdiffusive conductivity are discussed and experimental possibilities for observing that phenomenon in nanotubes and super-lattices are presented.

Keywords: Anomalous diffusion; Generalized Langevin equation; Conductance (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:357:y:2005:i:1:p:115-121

DOI: 10.1016/j.physa.2005.05.056

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