Spin excitations in few-electrons AlGaAs/GaAs quantum dots probed by inelastic light scattering (Articolo in rivista)

Type
Label
  • Spin excitations in few-electrons AlGaAs/GaAs quantum dots probed by inelastic light scattering (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Garcia, CP; Pellegrini, V; Pinczuk, A; Rontani, M; Goldoni, G; Molinari, E; Dennis, BS; Pfeiffer, LN; West, KW (2006)
    Spin excitations in few-electrons AlGaAs/GaAs quantum dots probed by inelastic light scattering
    (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
  • 304 (literal)
Pagina fine
  • 307 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 34 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, NEST, I-56126 Pisa, Italy; Scuola Normale Super Pisa, I-56126 Pisa, Italy; Lucent Technol, Bell Labs, Murray Hill, NJ USA; Columbia Univ, Dept Phys, Dept Appl Phys & Appl Math, New York, NY USA; Univ Studi Modena & Reggio Emilia, S3 INFM, I-41100 Modena, Italy; Univ Studi Modena & Reggio Emilia, Dipartimento Fis, I-41100 Modena, Italy (literal)
Titolo
  • Spin excitations in few-electrons AlGaAs/GaAs quantum dots probed by inelastic light scattering (literal)
Abstract
  • We present recent studies of electronic excitations in nanofabricated AlGaAs/GaAs semiconductor quantum dots (QDs) by resonant inelastic light scattering. The resonant light scattering spectra are dominated by excitations from parity-allowed inter-shell transitions between Fock-Darwin levels. In QDs With very few electrons the resonant spectra are characterized by distinct charge and spin excitations that reveal the strong impact of both exchange and correlation effects. A sharp inter-shell spin excitation of the triplet spin QD state with four electrons is identified. (c) 2006 Elsevier B.V. All rights reserved. (literal)
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