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arXiv · 0712.1114

How to construct entanglement witnesses

Dariusz Chruscinski·Andrzej Kossakowski
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Abstract

We present very simple method for constructing indecomposable entanglement witnesses out of a given pair -- an entanglement witness W and the corresponding state detected by W. This method may be used to produce new classes of atomic witnesses which are able to detect the `weakest' quantum entanglement. Actually, it works perfectly in the multipartite case, too. Moreover, this method provides a powerful tool for constructing new examples of bound entangled states.

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Dariusz Chruscinski, Andrzej Kossakowski. 2007-12-07. How to construct entanglement witnesses. https://doi.org/10.1088/1751-8113/41/14/145301

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