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We propose a technique for measuring the state of a single donor-electron spin using a field-effect transistor induced two-dimensional electron gas and electrically detected magnetic-resonance techniques. The scheme is facilitated by hyperfine coupling to the donor nucleus. We analyze the potential sensitivity and outline experimental requirements. Our measurement provides a single-shot, projective, and quantum nondemolition measurement of an electron-encoded qubit state.
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Sarovar et al. (2008) studied this question.
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