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Superdiffusive conduction: AC conductivity with correlated noise

Author

Listed:
  • Oliveira, Fernando A.
  • Morgado, Rafael
  • Hansen, Alex
  • Rubi, J.M.

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.

Suggested Citation

  • Oliveira, Fernando A. & Morgado, Rafael & Hansen, Alex & Rubi, J.M., 2005. "Superdiffusive conduction: AC conductivity with correlated noise," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 357(1), pages 115-121.
    • Handle: RePEc:eee:phsmap:v:357:y:2005:i:1:p:115-121
    DOI: 10.1016/j.physa.2005.05.056
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