A parameterized state-independent entropic uncertainty bound γ_s that is strictly better than Maassen-Uffink and asymptotically tight for all observables as s approaches 2.
Quantum Uncertainty and Entropy
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abstract
We review the plethora of uncertainty relations that appear in quantum mechanics and their nuances. We present both foundational applications, e.g. in understanding and defining complementarity, and practical applications, e.g. in quantum metrology and cryptography. Both variance- and entropy-based uncertainties are covered here.
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quant-ph 1years
2026 1verdicts
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Tight Entropic Uncertainty Relations
A parameterized state-independent entropic uncertainty bound γ_s that is strictly better than Maassen-Uffink and asymptotically tight for all observables as s approaches 2.