Universal scaling in nonequilibrium transport through an Anderson impurity

Julián Rincón, A. A. Aligia, K. Hallberg

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Using nonequilibrium renormalized perturbation theory, we calculate the conductance G as a function of temperature T and bias voltage V for an Anderson model suitable for describing transport properties through a quantum dot. For renormalized parameters that correspond to the extreme Kondo limit, we do not find a simple scaling formula beyond a quadratic dependence in T and V. However, if valence fluctuations are allowed, we find excellent agreement with recent experiments.

Original languageEnglish (US)
Article number121301
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume79
Issue number12
DOIs
StatePublished - Mar 3 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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