Abstract
We demonstrate coherent control of local nuclear spins in semiconductor devices. Nuclear spins in a limited region along spin-resolved quantum-Hall edge channels are strongly polarized through the hyperfine interaction. Quantum states of the nuclear spins evolve coherently during a pulsed-mode application of RF magnetic field generated by a built-in micro-metal strip. The final nuclear-spin state reached after the pulsed-mode operation is read out by the edge-channel transport. The amplitude of nuclear magnetic resonance oscillates as a function of the pulse duration, i.e. the Rabi oscillation of nuclear spins in semiconductor devices.
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Schedule a callMore From: Physica. E, Low-dimensional systems & nanostructures
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