On the operator-sum formalism
On the Optimal Mean Photon Number for Quantum Cryptography
On the optimal measurement for quantum discord of two-qubit states
On the optimality of individual entangling-probe attacks against BB84 quantum key distribution
On the Optimality of Quantum Encryption Schemes
On the origin of noisy states whose teleportation fidelity can be enhanced through dissipation
On the origin of probability in quantum mechanics
On the origin of strong photon antibunching in weakly nonlinear photonic molecules
On the Origin of the $\log d$ Variation of the Electrostatic Force Minimizing Voltage in Casimir Experiments
On The Origin Of The Classical And Quantum Electrodynamic Arrows Of Time
On the Original Proof by Reductio ad Absurdum of the Hohenberg-Kohn Theorem for Many-Electron Coulomb Systems
On the Origins of Quantum Correlations
On the over-barrier reflection in quantum mechanics with multiple degrees of freedom
On the P- and T-non-invariant two-component equation for the neutrino
On the P-representable subset of all bipartite Gaussian separable states
On the Paradoxical Book of Bell
On the parametric approximation in quantum optics
On the partial trace over collective spin-degrees of freedom
On the partial wave amplitude of Coulomb scattering in three dimensions
On the Path Integral of the Relativistic Electron