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Coulomb drag in graphene single layers separated by a thin spacer

M. I. Katsnelson
Phys. Rev. B 84, 041407(R) – Published 22 July 2011

Abstract

Motivated by very recent studies of Coulomb drag in a graphene-BN-graphene system we develop a theory of Coulomb drag for the Fermi-liquid regime, for the case when the ratio of spacer thickness d to the Fermi wavelength of electrons is arbitrary. The concentration (n) and thickness dependence of the drag resistivity is changed from n3d4 for the thick spacer to n1|ln(nd2)| for the thin one.

  • Figure
  • Received 12 May 2011

DOI:https://doi.org/10.1103/PhysRevB.84.041407

©2011 American Physical Society

Authors & Affiliations

M. I. Katsnelson

  • Radboud University of Nijmegen, Institute for Molecules and Materials, Heyendaalseweg 135, NL-6525 AJ Nijmegen, The Netherlands

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Issue

Vol. 84, Iss. 4 — 15 July 2011

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