Abstract
AbstractManipulations of electron spin and nuclear spin have been studied in AlGaAs/GaAs semiconductor nanosystems. Non‐local manipulation of electron spins has been realized by using the correlation effect between localized and mobile electron spins in a quantum dot‐ quantum wire coupled system. Interaction between electron and nuclear spins was exploited to achieve a coherent control of nuclear spins in a semiconductor point contact device. Using this device, we have demonstrated a fully coherent manipulation of any two states among the four spin levels of Ga and As nuclei. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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