Mixed-state entanglement and quantum communication

Details Mixed-state entanglement and quantum communication Mixed-state entanglement and quantum communication

2001-09-25

arxiv.org/abs/quant-ph/0109124v1

Physics

Quantum Physics

42 pages; the article is part of a book entitled {\it Quantum Information: An Introduction to Basic Theoretical Concepts and E

Scientific paper

We present basics of mixed-state entanglement theory. The first part of the article is devoted to mathematical characterizations of entangled states. In second part we discuss the question of using mixed-state entanglement for quantum communication. In particular, a type of entanglement that is not directly useful for quantum communcation (called bound entanglement) is analysed in detail.

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