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← ScienceWhich outcome inhibits quantum communication when environmental decoherence exceeds entanglement entropy?
A)Increased qubit measurement fidelity.
B)Executable quantum key distribution.
C)Degradation of entangled-pair correlations.✓
D)Enhanced quantum computer performance.
💡 Explanation
Environmental disturbance causes decoherence, therefore diminishing quantum entanglement—the mechanism facilitating instantaneous correlations—degrading correlation to the point quantum communication becomes infeasible, rather than fidelity improving or computer performance enhancing. Measurement increases distinguishability.
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