Simulation of Equatorial von Neumann Measurements on GHZ States Using Nonlocal Resources

Jean-Daniel Bancal, Cyril Branciard and Nicolas Gisin

Advances in Mathematical Physics, 2010, vol. 2010, issue 1

Abstract: 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. 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.

Date: 2010
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https://doi.org/10.1155/2010/293245

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlamp:v:2010:y:2010:i:1:n:293245

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