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American Physical Society, Physical Review B (Condensed Matter), 23(67)

DOI: 10.1103/physrevb.67.233308

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Shot noise of a quantum dot with non-Fermi liquid correlations

Journal article published in 2003 by Alessandro Braggio ORCID, Rosario Fazio, Maura Sassetti
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This paper is available in a repository.

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Abstract

The shot noise of a one-dimensional wire interrupted by two barriers shows interesting features related to the interplay between Coulomb blockade effects, Luttinger correlations and discrete excitations. At small bias the Fano factor reaches the lowest attainable value, 1/2, irrespective of the ratio of the two junction resistances. At larger voltages this asymmetry is power-law renormalized by the interaction strength. We discuss how the measurement of current and these features of the noise allow to extract the Luttinger liquid parameter.