Evidence of correlation in spin excitations of few-electron quantum dots (Articolo in rivista)

Type
Label
  • Evidence of correlation in spin excitations of few-electron quantum dots (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.95.266806 (literal)
Alternative label
  • Garcia, CP; Pellegrini, V; Pinczuk, A; Rontani, M; Goldoni, G; Molinari, E; Dennis, BS; Pfeiffer, LN; West, KW (2005)
    Evidence of correlation in spin excitations of few-electron quantum dots
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Garcia, CP; Pellegrini, V; Pinczuk, A; Rontani, M; Goldoni, G; Molinari, E; Dennis, BS; Pfeiffer, LN; West, KW (literal)
Pagina inizio
  • 266806 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevLett.95.266806 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 95 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 26 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Garcia, CP; Pellegrini, V: CNR, NEST, INFM, I-56126 Pisa, Italy and Scuola Normale Super Pisa, I-56126 Pisa, Italy Pinczuk, A: Columbia Univ, Dept Phys and Dept Appl Phys & Appl Math, New York, NY 10027 USA Pinczuk, A; Dennis, BS; Pfeiffer, LN; West, KW: Lucent Technol, Bell Labs, Murray Hill, NJ USA Rontani, M; Goldoni, G; Molinari, E: CNR, INFM, S3, I-41100 Modena, Italy and Univ Modena, Dipartimento Fis, I-41100 Modena, Italy (literal)
Titolo
  • Evidence of correlation in spin excitations of few-electron quantum dots (literal)
Abstract
  • We report inelastic light scattering measurements of spin and charge excitations in nanofabricated AlGaAs/GaAs quantum dots with few electrons. A narrow spin excitation peak is observed and assigned to the intershell triplet-to-singlet monopole mode of dots with four electrons. Configuration-interaction theory provides precise quantitative interpretations that uncover large correlation effects that are comparable to exchange Coulomb interactions. (literal)
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