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Investigates the impact of local valley splitting on spin qubit coherence in Si/SiGe, suggesting new integration strategies.
map, we achieve transport over tens of microns with coherence limited by the coupling to a static electron spin entangled with the mobile qubit. Our results provide experimental confirmation of the theory of spin decoherence of mobile electron spin-qubits and present practical strategies to integrate conveyor-mode qubit shuttling into silicon quantum chips.
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Volmer et al. (2026) studied this question.
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