The observation of a phenomenon known as coherent quantum phase slip, across a nanowire in a superconducting system, paves the way for applications in quantum computing and metrology. See Letter p.355
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Bezryadin, A. Tunnelling across a nanowire. Nature 484, 324–325 (2012). https://doi.org/10.1038/484324b
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DOI: https://doi.org/10.1038/484324b