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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Paraoanu, G.S. Realism and Single-Quanta Nonlocality. Found Phys 41, 734–743 (2011). https://doi.org/10.1007/s10701-010-9513-4
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DOI: https://doi.org/10.1007/s10701-010-9513-4