Pseudospin magnetism in graphene (Articolo in rivista)

Type
Label
  • Pseudospin magnetism in graphene (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.77.041407 (literal)
Alternative label
  • Min, H; Borghi, G; Polini, M; MacDonald, AH (2008)
    Pseudospin magnetism in graphene
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Min, H; Borghi, G; Polini, M; MacDonald, AH (literal)
Pagina inizio
  • 041407 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 77 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Min, Hongki; MacDonald, A. H.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA; [Borghi, Giovanni; Polini, Marco] INFM, CNR, NEST, I-56126 Pisa, Italy; [Borghi, Giovanni; Polini, Marco] Scuola Normale Super Pisa, I-56126 Pisa, Italy (literal)
Titolo
  • Pseudospin magnetism in graphene (literal)
Abstract
  • We predict that neutral graphene bilayers are pseudospin magnets in which the charge density contribution from each valley and spin spontaneously shifts to one of the two layers. The band structure of this system is characterized by a momentum-space vortex, which is responsible for unusual competition between band and kinetic energies, leading to symmetry breaking in the vortex core. We discuss the possibility of realizing a pseudospin version of ferromagnetic metal spintronics in graphene bilayers based on hysteresis associated with this broken symmetry. (literal)
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