Quantum Dynamics of Electron-Nuclei Coupled System in a Double Quantum Dot

Details Quantum Dynamics of Electron-Nuclei Coupled System in a Double Quantum Dot Quantum Dynamics of Electron-Nuclei Coupled System in a Double Quantum Dot

2006-09-09

arxiv.org/abs/cond-mat/0609217v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

presented at ICNT+T 2006 Basel

Scientific paper

10.1063/1.2730284

Hyperfine interaction of electron spins with nuclear spins, in coupled double quantum dots is studied. Results of successive electron spin measurements exhibit bunching due to correlations induced via the nuclear spins. Further nuclear spins can be purified via conditional electron spin measurements which lead to electron spin revivals in the conditional probabilities. The electron spin coherence time can be extended via conditional measurements. The results are extended to a single electron on a single QD.

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