Physical Review A · 2015 · 42 citations · 55 references
Quantum ScienceEngineeringQuantum ComputingPhysicsQuantum MetrologyMeasurementNatural SciencesEntangled Quantum StatesQuantum MeasurementQuantum InformationPowerful WitnessQuantum CommunicationQuantum SystemQuantum EntanglementQuantum SensingQuantum DecoherenceMeasurement Problem
Which general properties of entangled quantum states are relevant for quantum metrology? As well as showing that enhanced accuracy is not fundamentally related to nonlocality and distillability, the authors are able to demonstrate that tools from quantum metrology may serve as a powerful witness of entanglement.
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Ryszard Horodecki, Paweł Horodecki, Michał Horodecki et al. · Reviews of Modern Physics · 2009 · 9.6K citations · Full text
Mathematical Methods of Statistics.
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Separability Criterion for Density Matrices
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