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Entangling operations and their implementation using a small amount of entanglement

J. I. Cirac, W. Dür, B. Kraus, M. Lewenstein

quant-pharXiv:quant-ph/0007057

Abstract

We study when a physical operation can produce entanglement between two systems initially disentangled. The formalism we develop allows to show that one can perform certain non-local operations with unit probability by performing local measurement on states that are weakly entangled.

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