Theory of measuring the Luttinger g of a one-dimensional quantum dot

T. Kleimann, F. Cavaliere, M. Sassetti, and B. Kramer
Phys. Rev. B 66, 165311 – Published 17 October 2002
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Abstract

We study electron transport through a quantum dot in a Tomonaga-Luttinger liquid with an inhomogeneity induced either by a nonuniform electron interaction or by the presence of tunnel resistances of contacts. The nonanalytic temperature behavior of the conductance peaks shows crossovers determined by the different energy scales associated with the dot and the inhomogeneity despite the Coulomb blockade remaining intact. This suggests an explanation of recent findings in semiconductor quantum wires and carbon nanotubes.

  • Received 17 July 2002

DOI:https://doi.org/10.1103/PhysRevB.66.165311

©2002 American Physical Society

Authors & Affiliations

T. Kleimann1, F. Cavaliere1, M. Sassetti1, and B. Kramer2

  • 1Dipartimento di Fisica, INFM, Università di Genova, Via Dodecaneso 33, I-16146 Genova, Italy
  • 2I. Institut für Theoretische Physik, Universität Hamburg, Jungiusstraße 9, D-20355 Hamburg, Germany

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Vol. 66, Iss. 16 — 15 October 2002

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