Minimal conductivity in bilayer graphene
Institute for Molecules and Materials, Radboud University Nijmegen, 6525 ED Nijmegen, The Netherlands
Corresponding author: a M.Katsnelson@science.ru.nl
Published online: 31 July 2006
Using the Landauer formula approach, it is proven that minimal conductivity of order e2/h found experimentally in bilayer graphene is an intrinsic property. For the case of ideal crystals, the conductivity turns out to be equal to e2/2h per valley per spin. A zero-temperature shot noise in bilayer graphene is considered and the Fano factor is calculated. Its value 1–2/π is close to the value 1/3 found earlier for single-layer graphene.
PACS: 73.43.Cd – Theory and modeling / 81.05.Uw – Carbon, diamond, graphite
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2006