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The local content of all pure two-qubit states

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arxiv 1204.2982 v1 pith:BSFJFT7V submitted 2012-04-13 quant-ph

Samuel Portmann , Cyril Branciard , Nicolas Gisin This is my paper · ORCID
classification quant-ph
keywords statescontentlocalnon-puretwo-qubitcompletecomputation
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The (non-)local content in the sense of Elitzur, Popescu, and Rohrlich (EPR2) [Phys. Lett. A 162, 25 (1992)] is a natural measure for the (non-)locality of quantum states. Its computation is in general difficult, even in low dimensions, and is one of the few open questions about pure two-qubit states. We present a complete solution to this long-lasting problem.

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