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29 March 2024
 
  » arxiv » cond-mat/0606166

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Transport in Bilayer Graphene: Calculations within a self-consistent Born approximation
Mikito Koshino ; Tsuneya Ando ;
Date 7 Jun 2006
Journal Phys. Rev. B 73, 245403 (2006)
Subject Mesoscopic Systems and Quantum Hall Effect
AbstractThe transport properties of a bilayer graphene are studied theoretically within a self-consistent Born approximation. The electronic spectrum is composed of $k$-linear dispersion in the low-energy region and $k$-square dispersion as in an ordinary two-dimensional metal at high energy, leading to a crossover between different behaviors in the conductivity on changing the Fermi energy or disorder strengths. We find that the conductivity approaches $2e^2/pi^2hbar$ per spin in the strong-disorder regime, independently of the short- or long-range disorder.
Source arXiv, cond-mat/0606166
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