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A quantitative witness for Greenberger-Horne-Zeilinger entanglement

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Eltschka, Christopher ; Siewert, Jens
Date of publication of this fulltext: 30 Jan 2013 14:20


Along with the vast progress in experimental quantum technologies there is an increasing demand for the quantification of entanglement between three or more quantum systems. Theory still does not provide adequate tools for this purpose. The objective is, besides the quest for exact results, to develop operational methods that allow for efficient entanglement quantification. Here we put forward an ...


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