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Irreversibility in asymptotic manipulations of entanglement

G. Vidal, J. I. Cirac

quant-pharXiv:quant-ph/0102036

Abstract

We show that the process of entanglement distillation is irreversible by showing that the entanglement cost of a bound entangled state is finite. Such irreversibility remains even if extra pure entanglement is loaned to assist the distillation process.

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