Adsorbate-limited conductivity of graphene

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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.
4 pages, 2 figures

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Mesoscale and Nanoscale Physics, Disordered Systems and Neural Networks, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/173122

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0808.2511
 http://arxiv.org/abs/0808.2511
 Phys. Rev. Lett. 101, 196803 (2008)
 doi:10.1103/PhysRevLett.101.196803

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arXiv