Interactions and magnetism in graphene boundary states

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dc.creatorWunsch, B.
dc.creatorStauber, T.
dc.creatorSols, F.
dc.creatorGuinea, F.
dc.date2008-03-07
dc.date.accessioned2026-07-07T09:50:36Z
dc.date.available2026-07-07T09:50:36Z
dc.descriptionWe analyze interaction effects on boundary states of single layer graphene. Near a half filled band, both short and long-ranged interactions lead to a fully spin polarized configuration. In addition, the band of boundary states acquires a finite dispersion as function of the momentum parallel to the edge, induced by the interactions. Away from half filling the wavefunction develops charge correlations similar to those in a Wigner crystal, and the spin strongly alternates with the occupation of the boundary states. For certain fillings the ground state has a finite linear momentum, leading to the formation of persistent currents.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0803.1050
dc.identifierhttp://arxiv.org/abs/0803.1050
dc.identifierPhys. Rev. Lett. 101, 036803 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.036803
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164997
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.titleInteractions and magnetism in graphene boundary states
dc.typetext

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