Witnessed Entanglement

Details Witnessed Entanglement Witnessed Entanglement

2004-05-17

arxiv.org/abs/quant-ph/0405096v5

International Journal of Quantun Information 4, 331 (2006)

Physics

Quantum Physics

Revised version. 7 pages and one figure

Scientific paper

10.1142/S0219749906001803

We present a new measure of entanglement for mixed states. It can be
approximately computable for every state and can be used to quantify all
different types of multipartite entanglement. We show that it satisfies the
usual properties of a good entanglement quantifier and derive relations between
it and other entanglement measures.

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