| Transport properties of disordered graphene are discussed both in quantum and classical regimes. At low temperatures, the quantum interference effects lead to a complicated non-monotonic temperature dependence of conductivity. Mesoscopic conductance fluctuations, although being universal, are different from those in normal metals. Even in the classical limit of high temperatures transport in graphene is very unusual provided the Fermi energy is in the vicinity of the Dirac point. In particular, the magnetoresistance grows quadratically with magnetic field and can be huge even at room temperatures reaching hundreds percent for realistic parameters. The theoretical results are compared with existing experiments. |
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