Multipartite fully-nonlocal quantum states

Details Multipartite fully-nonlocal quantum states Multipartite fully-nonlocal quantum states

2009-11-18

arxiv.org/abs/0911.3559v3

Phys. Rev. A 81, 052111 (2010)

Physics

Quantum Physics

5 pages, 1 figure. Version published in PRA. Note that it does not contain all the results from the previous version; these wi

Scientific paper

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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