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Which outcome results within a Josephson junction when the oxide layer increases beyond manufacturing tolerances?

A)Reduced Cooper pair density
B)Enhanced critical current
C)Increased quantum entanglement
D)Suppressed electron tunneling

💡 Explanation

Suppressed electron tunneling occurs due to exponential decay of the wave function within the widened barrier; this reduction weakens *tunneling* *probability* because electron transmission drops sharply, therefore fewer pass through rather than more, if the barrier were thinner.

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