Entanglement Detection Using Majorization Uncertainty Bounds

Details Entanglement Detection Using Majorization Uncertainty Bounds Entanglement Detection Using Majorization Uncertainty Bounds

2012-04-05

arxiv.org/abs/1204.1289v1

Physics

Quantum Physics

10 pages, 1 figure

Scientific paper

Entanglement detection criteria are developed within the framework of the majorization formulation of uncertainty. The primary results are two theorems asserting linear and nonlinear separability criteria based on majorization relations, the violation of which would imply entanglement. Corollaries to these theorems yield infinite sets of scalar entanglement detection criteria based on quasi-entropic measures of disorder. Examples are analyzed to probe the efficacy of the derived criteria in detecting the entanglement of bipartite Werner states. Characteristics of the majorization relation as a comparator of disorder uniquely suited to information-theoretical applications are emphasized throughout.

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