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Extreme quantum entanglement in a superposition of macroscopically distinct states
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1990
Year
Quantum ScienceEngineeringQuantum ComputingPhysicsBell InequalityNatural SciencesMany-body Quantum PhysicMeasurement ProblemQuantum Mechanical PropertyQuantum InformationQuantum SwitchesExtreme Quantum EntanglementQuantum CommunicationProbability TheoryQuantum SystemQuantum EntanglementDistinct StatesQuantum Decoherence
A Bell inequality is derived for a state of n spin-1/2 particles which superposes two macroscopically distinct states. Quantum mechanics violates this inequality by an amount that grows exponentially with n.
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