Minimal conductivity in bilayer graphene

Details Minimal conductivity in bilayer graphene Minimal conductivity in bilayer graphene

2006-06-23

arxiv.org/abs/cond-mat/0606611v1

Eur. Phys. J. B 52, 151-153 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 1 figure

Scientific paper

10.1140/epjb/e2006-00294-6

Using the Landauer formula approach, it is proven that minimal conductivity of order of $e^{2}/h$ found experimentally in bilayer graphene is its intrinsic property. For the case of ideal crystals, the conductivity turns our to be equal to $e^{2}/2h$ per valley per spin. A zero-temperature shot noise in bilayer graphene is considered and the Fano factor is calculated. Its value $1-2/\pi$ is close to the value 1/3 found earlier for the single-layer graphene.

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