Neutron Matter Wave Quantum Optics |
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Authors: | Helmut Rauch |
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Institution: | (1) Center for Computational Nanoscience, Department of Physics and Astronomy, Ball State University, Muncie, USA |
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Abstract: | Neutron matter-wave optics provides the basis for new quantum experiments and a step towards applications of quantum phenomena.
Most experiments have been performed with a perfect crystal neutron interferometer where widely separated coherent beams can
be manipulated individually. Various geometric phases have been measured and their robustness against fluctuation effects
has been proven, which may become a useful property for advanced quantum communication. Quantum contextuality for single particle
systems shows that quantum correlations are to some extent more demanding than classical ones. In this case entanglement between
external and internal degrees of freedom offers new insights into basic laws of quantum physics. Non-contextuality hidden
variable theories can be rejected by arguments based on the Kochen-Specker theorem. |
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