NMR study of the electron spin polarization in the fractional quantum Hall effect of a single quantum well: Spectroscopic evidence for domain formation

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11954

Stern, O. ; Freytag, N. ; Fay, A. ; Dietsche, W. ; Smet, J. H. ; Klitzing, Klaus von ; Schuh, Dieter ; Wegscheider, Werner

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Veröffentlichungsdatum dieses Volltextes: 11 Jan 2010 13:30

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The authors have developed a technique to determine the electron spin polarization in a single GaAs quantum well by combining resistance-detected (RD) nuclear magnetic resonance (NMR) with conventional NMR. We use this method to study the unpolarized-polarized spin transition at filling factor ν=2∕3 for small and large currents. The formation of domains with these two polarizations at the ...