Quantifying entanglement resources

Abstract

We present an overview of the quantitative theory of single-copy entanglement in finite-dimensional quantum systems. In particular we emphasize the point of view that different entanglement measures quantify different types of resources which leads to a natural interdependence of entanglement classification and quantification. Apart from the theoretical basis, we outline various methods for obtaining quantitative results on arbitrary mixed states.

50+5 pages, 4 figures, contribution to Special Issue of J Phys A on 50 years of Bell's theorem. Typos corrected, various references added. Comments are welcome

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