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Abstract: We present a study of different models of local disorder in graphene. Ourfocus is on the main effects that vacancies - random, compensated anduncompensated -, local impurities and substitutional impurities bring into theelectronic structure of graphene. By exploring these types of disorder andtheir connections, we show that they introduce dramatic changes in the lowenergy spectrum of graphene, viz. localized zero modes, strong resonances, gapand pseudogap behavior, and non-dispersive midgap zero modes.



Autor: Vitor M. Pereira, J. M. B. Lopes dos Santos, A. H. Castro Neto

Fuente: https://arxiv.org/







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