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Einstein-Podolsky-Rosen paradox without entanglement
Ryszard Horodecki, Michal Horodecki, Pawel Horodecki
We claim that the nonlocality without entanglement revealed quite recently by Bennett {\it et al.} [quant-ph/9804053] should be rather interpreted as {\it Einstein-Podolsky-Rosen p…
General teleportation channel, singlet fraction and quasi-distillation
Pawel Horodecki, Michal Horodecki, Ryszard Horodecki
We prove a theorem on direct relation between the optimal fidelity of teleportation and the maximal singlet fraction attainable by means of trace-preserving LQC…
Bound entanglement can be activated
Pawel Horodecki, Michal Horodecki, Ryszard Horodecki
Bound entanglement is the noisy entanglement which cannot be distilled to a singlet form. Thus it cannot be used alone for quantum communication purposes. Here we show that, nevert…
Entanglement and thermodynamical analogies
Pawel Horodecki, Ryszard Horodecki, Michal Horodecki
We provide some new properties of entanglement of formation. In particular, we obtain an additive lower bound for entanglement of formation. Subsequently we develop the concept of…
Universal Quantum Information Compression
Richard Jozsa, Michal Horodecki, Pawel Horodecki +1
Suppose that a quantum source is known to have von Neumann entropy less than or equal to S but is otherwise completely unspecified. We describe a method of universal quantum data c…
Optimal compression of quantum information for one-qubit source at incomplete data: a new aspect of Jaynes principle
Michal Horodecki, Ryszard Horodecki, Pawel Horodecki
We consider the problem of optimal processing of quantum information at incomplete experimental data characterizing the quantum source. In particular, we then prove that for one-qu…