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Theory of charged impurity scattering in two dimensional graphene
S. Adam, E. H. Hwang, E. Rossi +1
We review the physics of charged impurities in the vicinity of graphene. The long-range nature of Coulomb impurities affects both the nature of the ground state density profile as…
Crossover from quantum to Boltzmann transport in graphene
Shaffique Adam, Piet W. Brouwer, S. Das Sarma
We compare a fully quantum mechanical numerical calculation of the conductivity of graphene to the semiclassical Boltzmann theory. Considering a disorder potential that is smooth o…
Effective medium theory for disordered two-dimensional graphene
Enrico Rossi, S. Adam, S. Das Sarma
We develop an Effective Medium Theory to study the electrical transport properties of disordered graphene. The theory includes non-linear screening and exchange-correlation effects…
Density inhomogeneity driven percolation metal-insulator transition and dimensional crossover in graphene nanoribbons
S. Adam, S. Cho, M. S. Fuhrer +1
Transport in graphene nanoribbons with an energy gap in the spectrum is considered in the presence of random charged impurity centers. At low carrier density, we predict and establ…