Simulation of equatorial von Neumann measurements on GHZ states using nonlocal resources

Details Simulation of equatorial von Neumann measurements on GHZ states using nonlocal resources Simulation of equatorial von Neumann measurements on GHZ states using nonlocal resources

2009-08-18

arxiv.org/abs/0908.2640v2

Advances in Mathematical Physics, vol. 2010, Article ID 293245, 14 pages, 2010

Physics

Quantum Physics

15 pages, 4 figures, published version

Scientific paper

10.1155/2010/293245

Reproducing with elementary resources the correlations that arise when a quantum system is measured (quantum state simulation), allows one to get insight on the operational and computational power of quantum correlations. We propose a family of models that can simulate von Neumann measurements in the x-y plane of the Bloch sphere on n-partite GHZ states using only bipartite nonlocal boxes. For the tripartite and fourpartite states, the models use only bipartite nonlocal boxes; they can be translated into classical communication schemes with finite average communication cost.

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