Direct measurements of fractional quantum hall effect gaps (Articolo in rivista)

Type
Label
  • Direct measurements of fractional quantum hall effect gaps (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.99.086802 (literal)
Alternative label
  • Khrapai, VS; Shashkin, AA; Trokina, MG; Dolgopolov, VT; Pellegrini, V; Beltram, F; Biasiol, G; Sorba, L (2007)
    Direct measurements of fractional quantum hall effect gaps
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Khrapai, VS; Shashkin, AA; Trokina, MG; Dolgopolov, VT; Pellegrini, V; Beltram, F; Biasiol, G; Sorba, L (literal)
Pagina inizio
  • 1 (literal)
Pagina fine
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 99 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 086802 (literal)
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 Dist, Russia 2. Scuola Normale Super Pisa, INFM, CNR, NEST, I-56126 Pisa, Italy 3. CNR, INFM, NEST, I-34012 Trieste, Italy 4. TASC, INFM, Lab Nazl, I-34012 Trieste, Italy (literal)
Titolo
  • Direct measurements of fractional quantum hall effect gaps (literal)
Abstract
  • We measure the chemical potential jump across the fractional gap in the low-temperature limit in the two-dimensional electron system of GaAs/AlGaAs single heterojunctions. In the fully spin-polarized regime, the gap for filling factor nu=1/3 increases linearly with the magnetic field and is coincident with that for nu=2/3, reflecting the electron-hole symmetry in the spin-split Landau level. In low magnetic fields, at the ground-state spin transition for nu=2/3, a correlated behavior of the nu=1/3 and nu=2/3 gaps is observed. (literal)
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