Hyperfine-Mediated Gate-Driven Electron Spin Resonance
Gossard, A. C.
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CitationLaird, E. A., C. Barthel, E. I. Rashba, C. M. Marcus, M. P. Hanson, and A. C. Gossard. 2007. “Hyperfine-Mediated Gate-Driven Electron Spin Resonance.” Physical Review Letters 99 (24) (December 13). doi:10.1103/physrevlett.99.246601.
AbstractAn all-electrical spin resonance effect in a GaAs few-electron double quantum dot is investigated experimentally and theoretically. The magnetic field dependence and absence of associated Rabi oscillations are consistent with a novel hyperfine mechanism. The resonant frequency is sensitive to the instantaneous hyperfine effective field, and the effect can be used to detect and create sizable nuclear polarizations. A device incorporating a micromagnet exhibits a magnetic field difference between dots, allowing electrons in either dot to be addressed selectively.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:24820081
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