The minimum conductivity value as well as the linear dependence of conductivity on the charge density near the Dirac point in single and doublelayer graphene is derived from the energy-time uncertainty principle applied to ballistic charge carriers.
Plasmons and near-field amplification in double-layer graphene
Pseudospin Order in Monolayer, Bilayer, and Double-Layer Graphene
Strong Coulomb drag and broken symmetry in double-layer graphene
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