John P. Robinson, Henning Schomerus, Laszlo Oroszlany, Vladimir I. Fal'ko
Published 2008-08-19, updated 2008-11-05Version 2
We present a theory of electronic transport in graphene in the presence of randomly placed adsorbates. Our analysis predicts a marked asymmetry of the conductivity about the Dirac point, as well as a negative weak-localization magnetoresistivity. In the region of strong scattering, renormalization group corrections drive the system further towards insulating behavior. These results explain key features of recent experiments, and are validated by numerical transport computations.
Comments: 4 pages, 2 figures
Journal: Phys. Rev. Lett. 101, 196803 (2008)
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