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 superlattices are presented.
@article{arxiv.cond-mat/0501607,
title = {Superdiffusive Conduction: AC Conductivity with Correlated Noise},
author = {Fernando A. Oliveira and Rafael Morgado and Alex Hansen and J. M. Rubi},
journal= {arXiv preprint arXiv:cond-mat/0501607},
year = {2009}
}