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Quantized current steps due to the a.c. coherent quantum phase-slip effect
Nature, Published online: 25 July 2022; doi:10.1038/s41586-022-04947-z
Direct observation of the physical dual a.c. Josephson effect, a series of quantized current steps in a superconducting nanowire, is reported and may offer a way to establish new metrological standards for currents.
