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Coherence and Control of Quantum Registers Based on Electronic Spin in a Nuclear Spin Bath

Coherence and Control of Quantum Registers Based on Electronic Spin in a Nuclear Spin Bath

We consider a protocol for the control of few-qubit registers comprising one electronic spin embedded in a nuclear spin bath. We show how to isolate a few proximal nuclear spins from the rest of the bath and use them as building blocks for a potentially scalable quantum information processor. We …