Modeling disorder in graphene

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We present a study of different models of local disorder in graphene. Our focus is on the main effects that vacancies -- random, compensated and uncompensated --, local impurities and substitutional impurities bring into the electronic structure of graphene. By exploring these types of disorder and their connections, we show that they introduce dramatic changes in the low energy spectrum of graphene, viz. localized zero modes, strong resonances, gap and pseudogap behavior, and non-dispersive midgap zero modes.
16 pages, lower resolution figures

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Disordered Systems and Neural Networks, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/157235

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.0806
 http://arxiv.org/abs/0712.0806
 Phys. Rev. B 77, 115109 (2008)
 doi:10.1103/PhysRevB.77.115109

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arXiv