Spin transition in the fractional quantum Hall regime: Effect of the extent of the wave function (Articolo in rivista)

Type
Label
  • Spin transition in the fractional quantum Hall regime: Effect of the extent of the wave function (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.87.081306 (literal)
Alternative label
  • Vanovsky V. V. [ 1,2 ] ; Khrapai V. S. [ 1,2 ] ; Shashkin A. A. [ 1 ] ; Pellegrini V. [ 3,4 ] ; Sorba L. [ 3,4 ] ; Biasiol G. [ 5 ] (2013)
    Spin transition in the fractional quantum Hall regime: Effect of the extent of the wave function
    in Physical review. B, Condensed matter and materials physics; AMER CHEMICAL SOC, WASHINGTON (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vanovsky V. V. [ 1,2 ] ; Khrapai V. S. [ 1,2 ] ; Shashkin A. A. [ 1 ] ; Pellegrini V. [ 3,4 ] ; Sorba L. [ 3,4 ] ; Biasiol G. [ 5 ] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow District, Russia [ 2 ] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow District, Russia [ 3 ] CNR, NEST, Ist Nanoscif, I-56127 Pisa, Italy [ 4 ] Scuola Normale Super Pisa, I-56127 Pisa, Italy [ 5 ] CNR IOM, Lab TASC, I-34149 Trieste, Italy (literal)
Titolo
  • Spin transition in the fractional quantum Hall regime: Effect of the extent of the wave function (literal)
Abstract
  • Using a magnetocapacitance technique, we determine the magnetic field of the spin transition, B*, at filling factor v = 2/3 in the two-dimensional electron system in GaAs/AlGaAs heterojunctions. The field B* is found to decrease appreciably as the wave function extent controlled by back gate voltage is increased. Our calculations show that the contributions to the shift of B* from the change of the Coulomb energy and the g factor change due to nonparabolicity are approximately the same. The observed relative shift of B* is described with no fitting parameters. (literal)
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