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

DOI to cite this document:
Stern, O. ; Freytag, N. ; Fay, A. ; Dietsche, W. ; Smet, J. H. ; Klitzing, Klaus von ; Schuh, Dieter ; Wegscheider, Werner
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Date of publication of this fulltext: 11 Jan 2010 13:30


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 ...


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