Far-infrared absorption of noncenter-of-mass modes and an optical sum rule in a few-electron quantum dot with Rashba spin-orbit coupling (Articolo in rivista)

Type
Label
  • Far-infrared absorption of noncenter-of-mass modes and an optical sum rule in a few-electron quantum dot with Rashba spin-orbit coupling (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.75.153310 (literal)
Alternative label
  • P. Lucignano (1,2); B. Jouault (3); A. Tagliacozzo (1,2) (2007)
    Far-infrared absorption of noncenter-of-mass modes and an optical sum rule in a few-electron quantum dot with Rashba spin-orbit coupling
    in Physical review. B, Condensed matter and materials physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • P. Lucignano (1,2); B. Jouault (3); A. Tagliacozzo (1,2) (literal)
Pagina inizio
  • 153310 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://journals.aps.org/prb/abstract/10.1103/PhysRevB.75.153310#authors (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 75 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 15 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Coherentia-CNR-INFM, Monte S.Angelo - via Cintia, I-80126 Napoli, Italy (2) Dipartimento di Scienze Fisiche Università di Napoli, \"Federico II\", Napoli, Italy (3) GES, UMR 5650, Université Montpellier II 34095 Montpellier Cedex 5, France (literal)
Titolo
  • Far-infrared absorption of noncenter-of-mass modes and an optical sum rule in a few-electron quantum dot with Rashba spin-orbit coupling (literal)
Abstract
  • Spin-orbit interaction in a quantum dot couples far-infrared radiation to noncenter-of-mass excitation modes, even for parabolic confinement and dipole approximation. The intensities of the absorption peaks satisfy the optical sum rule, giving direct information on the total number of electrons inside the dot. In the case of a circularly polarized radiation, the sum rule is insensitive to the strength of a Rashba spin-orbit coupling due to an electric field orthogonal to the dot plane, but not to other sources of spin-orbit interaction, thus allowing one to discriminate between the two. (literal)
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