Experiments with triple quantum dot devices show that distant qubits can be directly coupled and suggest a potential route to the development of fast, complex quantum circuits.
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Reilly, D. And then there were three. Nature Nanotech 8, 395–396 (2013). https://doi.org/10.1038/nnano.2013.103
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DOI: https://doi.org/10.1038/nnano.2013.103
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