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Phys Rev Lett. 2002 Apr 22;88(16):167901. doi: 10.1103/PhysRevLett.88.167901. Epub 2002 Apr 04.

Local realistic model for the dynamics of bulk-ensemble NMR information processing.

Physical review letters

N C Menicucci, Carlton M Caves

Affiliations

  1. Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131-1156, USA.

PMID: 11955265 DOI: 10.1103/PhysRevLett.88.167901

Abstract

We construct a local realistic hidden-variable model that describes the states and dynamics of bulk-ensemble NMR information processing up to about 12 nuclear spins. The existence of such a model rules out violation of any Bell inequality, temporal or otherwise, in present high-temperature, liquid-state NMR experiments. The model does not provide an efficient description in that the number of hidden variables grows exponentially with the number of nuclear spins.

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