Unusual Properties of Superoscillating Particles

Unusual quantum states: nonlocality, entropy, Maxwell's daemon, and fractals

Unusual scalar products in Hilbert space of Quantum Mechanics: non-Hermitian square-well model with two coupled channels

Unveiled reality: comment on d'Espagnat's note on measurement

Unveiling optical hidden correlations: the illusionist game

Unveiling quantum entanglement degradation near a Schwarzschild black hole

Unversality of decoherence in the macroworld

Update for "The collapse of Bell determinism"

Updating Quantum Cryptography Report ver. 1

Upper and lower bounds on the mean square radius and criteria for occurrence of quantum halo states

Upper bound by Kolmogorov complexity for the probability in computable POVM measurement

Upper Bound Imposed upon Responsivity of Optical Modulators

Upper bound of the fully entangled fraction

Upper Bound on Fidelity of Classical Sagnac Gyroscope

Upper bound on our knowledge about noncommuting observables for a qubit system

Upper bound on the secret key rate distillable from effective quantum correlations with imperfect detectors

Upper Bounds for the Number of Quantum Clones under Decoherence

Upper bounds for the secure key rate of decoy state quantum key distribution

Upper Bounds for the Security of two Distributed-Phase Reference Protocols of Quantum Cryptography (Coherent-One-Way and Differential-Phase-Shift)

Upper bounds of a class of imperfect quantum sealing protocols