Revisiting Quantum Discord for Two-Qubit X States: The Error Bound to an Analytical Formula

Quantum entanglement

Ryszard Horodecki, Paweł Horodecki, Michał Horodecki et al. · Reviews of Modern Physics · 2009 · 9.6K citations · Full text

Quantum Discord: A Measure of the Quantumness of Correlations

H Ollivier, Wojciech H. Zurek · Physical Review Letters · 2001 · 3.5K citations · Full text

Quantum Science, Engineering, Quantum Computing +12

Classical, quantum and total correlations

Leah Henderson, Vlatko Vedral · Journal of Physics A Mathematical and General · 2001 · 2.3K citations · Full text

The classical-quantum boundary for correlations: Discord and related measures

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Quantum Science, Engineering, Quantum Computing +14

Quantum nonlocality without entanglement

Charles H. Bennett, David P. DiVincenzo, Christopher A. Fuchs et al. · Physical Review A · 1999 · 1.1K citations · Full text

Engineering, Product States, Quantum Measurement +18