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Multipartite fully-nonlocal quantum states

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arxiv 0911.3559 v3 pith:WMBFA37B submitted 2009-11-18 quant-ph

Mafalda L. Almeida , Daniel Cavalcanti , Valerio Scarani , Antonio Acin This is my paper · ORCID
classification quant-ph
keywords fully-nonlocalmultipartitequantumstatesconditionsstateaccordingallow
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We present a general method to characterize the quantum correlations obtained after local measurements on multipartite systems. Sufficient conditions for a quantum system to be fully-nonlocal according to a given partition, as well as being (genuinely) multipartite fully-nonlocal, are derived. These conditions allow us to identify all completely-connected graph states as multipartite fully-nonlocal quantum states. Moreover, we show that this feature can also be observed in mixed states: the tensor product of five copies of the Smolin state, a biseparable and bound entangled state, is multipartite fully-nonlocal.

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