Realism and Single-Quanta Nonlocality |
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Authors: | G. S. Paraoanu |
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Affiliation: | 1.Low Temperature Laboratory,Aalto University,Aalto,Finland;2.Institute for Quantum Optics and Quantum Information (IQOQI),Austrian Academy of Sciences,Vienna,Austria |
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Abstract: | We show that local realism applied to states characterized by a single quantum equally and coherently shared between a number of qubits (so-called W states) produces predictions incompatible with quantum theory. The origin of this incompatibility is shown to originate from the destructive interference of amplitude probabilities associated with nonlocal states, a phenomenon that has no classical analog. |
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