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Generalized quantum measurements and local realism
Marek Zukowski, Ryszard Horodecki, Michal Horodecki +1
The structure of a local hidden variable model for experiments involving sequences of measurements rigorously is analyzed. Constraints imposed by local realism on the conditional p…
Distillability of Inseparable Quantum Systems
Michal Horodecki, Pawel Horodecki, Ryszard Horodecki
We apply the inseparability criterion for systems, local filtering and Bennett et al. purification protocol [Phys. Rev. Lett. {\bf 76}, 722 (1996)] to show how to dist…
Separability of Mixed States: Necessary and Sufficient Conditions
Michal Horodecki, Pawel Horodecki, Ryszard Horodecki
We provide necessary and sufficient conditions for separability of mixed states. As a result we obtain a simple criterion of separability for and systems. Her…
Teleportation, Bell's Inequalities and Inseparability
Ryszard Horodecki, Michal Horodecki, Pawel Horodecki
Relations between teleportation, Bell's inequalities and inseparability are investigated. It is shown that any mixed two spin- state which violates the Bell-CHSH inequalit…