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Theory of Scanning Tunneling Spectroscopy of Magnetic Adatoms in Graphene
Bruno Uchoa, Ling Yang, S. -W. Tsai +2
We examine theoretically the signatures of magnetic adatoms in graphene probed by scanning tunneling spectroscopy (STS). When the adatom hybridizes equally with the two graphene su…
Magnetism and magnetotransport in disordered graphene
T. G. Rappoport, Bruno Uchoa, A. H. Castro Neto
We perform Monte Carlo simulations to study the interplay of structural and magnetic order in single layer graphene covered with magnetic adatoms. We propose that the presence of r…
Comment on "BCS superconductivity of Dirac fermions in graphene layers"
Bruno Uchoa, A. H. Castro Neto
Comment on "BCS superconductivity of Dirac fermions in graphene layers" by N. B. Kopnin and E. B. Sonin [arXiv:0803.3772; Phys. Rev. Lett. 100, 246808 (2008)].
1/N Expansion in Correlated Graphene
Valeri N. Kotov, Bruno Uchoa, A. H. Castro Neto
We examine the 1/N expansion, where N is the number of two-component Dirac fermions, for Coulomb interactions in graphene with a gap of magnitude . We find that for $Nα\gg1…