619 citations · 619 across the 3 of their papers we have counts for
3 papers
Double Exchange Model at Low Densities: Magnetic Polarons and Coulomb Suppressed Phase Separation
Vitor M. Pereira, J. M. B. Lopes dos Santos, Antonio H. Castro Neto
We consider the double exchange model at very low densities. The conditions for the formation of self-trapped magnetic polarons are analyzed using an independent polaron model. The…
Disorder Induced Localized States in Graphene
Vitor M. Pereira, F. Guinea, J. M. B. Lopes dos Santos +2
We consider the electronic structure near vacancies in the half-filled honeycomb lattice. It is shown that vacancies induce the formation of localized states. When particle-hole sy…
The Double Exchange Model at Low Densities
Vitor M. Pereira, J. M. B. Lopes dos Santos, A. H. Castro Neto
We obtain the phase diagram of the double-exchange model at low electronic densities in the presence of electron-electron interactions. The single particle problem and its extensio…