Coulomb versus spin-orbit interaction in few-electron carbon-nanotube quantum dots (Articolo in rivista)

Type
Label
  • Coulomb versus spin-orbit interaction in few-electron carbon-nanotube quantum dots (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.80.041404 (literal)
Alternative label
  • Secchi, A; Rontani, M (2009)
    Coulomb versus spin-orbit interaction in few-electron carbon-nanotube quantum dots
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Secchi, A; Rontani, M (literal)
Pagina inizio
  • 041404(R) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.80.041404 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 80 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Secchi, A; Rontani, M: CNR INFM Natl Res Ctr S3, I-41125 Modena, Italy. Secchi, A: Univ Modena & Reggio Emilia, Dipartimento Fis, I-41125 Modena, Italy (literal)
Titolo
  • Coulomb versus spin-orbit interaction in few-electron carbon-nanotube quantum dots (literal)
Abstract
  • Few-electron states in carbon-nanotube quantum dots are studied by means of the configuration-interaction method. The peculiar noninteracting feature of the tunneling spectrum for two electrons, recently measured by F. Kuemmeth, S. Ilani, D. C. Ralph, and P. L. McEuen [Nature(London) 452, 448 (2008)], is explained by the splitting of a low-lying isospin multiplet due to spin-orbit interaction. Nevertheless, the strongly interacting ground state forms a \"Wigner molecule\" made of electrons localized in space. Signatures of the electron molecule may be seen in tunneling spectra by varying the tunable dot confinement potential. (literal)
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