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← ScienceWhich outcome occurs when a Josephson junction gap narrows?
A)Increased Cooper pair tunneling occurs✓
B)Critical current decreases linearly
C)Resonance frequency shifts downward
D)Thermal noise becomes negligible
💡 Explanation
More Cooper pairs tunnel through the narrowed gap because increased proximity and wave function overlap amplifies the Josephson effect. Therefore the supercurent increases, rather than decreases, due to the increased probability of transmission through the barrier.
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