Progress towards Bell-type polarization experiment with thermal neutrons
Abstract
Experimental tests of Bell-type inequalities distinguishing between quantum mechanics and local realistic theories remain of considerable interest if performed on massive particles, for which no conclusive result has yet been obtained. Only two-particle experiments may specifically test the concept of spatial nonlocality in quantum theory, whereas single-particle experiments may generally test the concept of quantum noncontextuality. Here we have performed the first Bell-type experiment with a beam of thermal-neutron pairs in the singlet state of spin, as originally suggested by J. S. Bell. These measurements confirm the quantum-theoretical predictions, in agreement with the results of the well-known polarization experiments carried out on optical photons years ago.
Cite
@article{arxiv.1502.07338,
title = {Progress towards Bell-type polarization experiment with thermal neutrons},
author = {M. Iannuzzi and R. Messi and D. Moricciani and A. Orecchini and F. Sacchetti},
journal= {arXiv preprint arXiv:1502.07338},
year = {2015}
}