Noise protection: An optical micrograph of the circuit used in the experiment, showing aluminium electrodes in light grey and niobium electrodes in dark grey. The insets are scanning electron microscope images of one array of large junctions and one small junction. (Courtesy: W C Smith et al., "Magnifying Quantum Phase Fluctuations with Cooper-Pair Pairing", Phys Rev X 12 021002, https://doi.org/10.1103/PhysRevX.12.021002)
A research team at the Laboratoire de Physique de l’Ecole Normale Supérieure (LPENS) in France ha
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