Nonmagnetic-Defect-Induced Magnetism in Graphene

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It is shown that a strong impurity potential induces short-range antiferromagnetic (ferrimagnetic) order around itself in a Hubbard model on a half-filled honeycomb lattice. This implies that short-range magnetic order is induced in monolayer graphene by a nonmagnetic defect such as a vacancy with full hydrogen termination or a chemisorption defect.
5 pages, 8 figures

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/141831

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0703570
 http://arxiv.org/abs/cond-mat/0703570
 J. Phys. Soc. Jpn. 76 (2007) 064713
 doi:10.1143/JPSJ.76.064713

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arXiv