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Trapped Ion Quantum Computing Quantum Simulation

Dynamic nuclear polarization and nuclear magnetic resonance in the vicinity of edge states of a 2DES in GaAs quantum wells.

PubMed
Authors: Bowers CR, Caldwell JD, Gusev G, Kovalev AE, Olshanetsky E, Reno JL, Simmons JA, Vitkalov SA

Year

2006

Paper ID

12828

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

116

Citations

5

Abstract

Nuclear magnetic resonance is detected via the in-plane conductivity of a two-dimensional electron system at unity Landau level filling factor in the regime of the quantum Hall effect in narrow and wide quantum wells. The NMR is spatially selective to nuclei with a coupling to electrons in the current carrying edge states at the perimeter of the 2DES. Interpretation of the electron-nuclear double resonance signals is facilitated by numerical simulations. A new RF swept method for conductivity-detected NMR is introduced which offers more efficient signal averaging. The method is applied to the study of electric quadrupole interactions, weakly allowed overtone transitions, and evaluation of the extent of electron wave function delocalization in the wide quantum well.

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  • Nuclear magnetic resonance is detected via the in-plane conductivity of a two-dimensional electron system at unity Landau level filling factor in the regime of the quantum Hall...

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References & Citation Signals

[1] DOI https://doi.org/10.1016/j.ssnmr.2005.08.011 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/16216476/

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External citation index: OpenAlex citation signal • updated 2026-06-20 13:04:10

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