Electron Transport in Granular Metals

Alexander Altland, Leonid I. Glazman, and Alex Kamenev
Phys. Rev. Lett. 92, 026801 – Published 13 January 2004

Abstract

We consider thermodynamic and transport properties of a long granular array with strongly connected grains (intergrain conductance g1). We find that the system’s conductance and differential capacitance exhibits activated behavior, exp{T*/T}. The gap T* represents the energy needed to create a long single-electron charge soliton propagating through the array. This scale is parametrically larger than the energy at which conventional perturbation theory breaks down.

  • Figure
  • Received 17 July 2003

DOI:https://doi.org/10.1103/PhysRevLett.92.026801

©2004 American Physical Society

Authors & Affiliations

Alexander Altland1, Leonid I. Glazman2,3, and Alex Kamenev2

  • 1Institut für theoretische Physik, Zülpicher Strasse 77, 50937 Köln, Germany
  • 2Department of Physics, University of Minnesota, Minneapolis, Minnesota 55454, USA
  • 3W. I. Fine Theoretical Physics Institute, University of Minnesota, Minneapolis, Minnesota 55454, USA

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Vol. 92, Iss. 2 — 16 January 2004

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