Low-temperature transport through a quantum dot: The Anderson model out of equilibrium

Yigal Meir, Ned S. Wingreen, Patrick A. Lee

Research output: Contribution to journalArticle

835 Scopus citations

Abstract

The infinite-U Anderson model is applied to nonequilibrium transport through a quantum dot containing two spin levels weakly coupled to two leads. At low temperatures, the Kondo peak in the equilibrium density of states is split upon the application of a voltage bias. The split peaks, one at the chemical potential of each lead, are suppressed by nonequilibrium dissipation. In a magnetic field, the Kondo peaks shift away from the chemical potentials by the Zeeman energy, leading to an observable peak in the differential conductance when the nonequilibrium bias equals the Zeeman energy.

Original languageEnglish (US)
Pages (from-to)2601-2604
Number of pages4
JournalPhysical review letters
Volume70
Issue number17
DOIs
StatePublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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