Analytical expression of quantum discord for rank-2 two-qubit states

DOI10.1007/S11128-018-2007-6zbMath1398.81036arXiv1808.00702OpenAlexW3101999238MaRDI QIDQ1991012

Xianqing Li-Jost, Xue-Na Zhu, Shao-Ming Fei

Publication date: 29 October 2018

Published in: Quantum Information Processing (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1808.00702

zbMATH Keywords

von Neumann entropyquantum discordlinear entropy

Mathematics Subject Classification ID

Measures of association (correlation, canonical correlation, etc.) (62H20) Quantum measurement theory, state operations, state preparations (81P15) Measures of information, entropy (94A17) Quantum coherence, entanglement, quantum correlations (81P40) Quantum information, communication, networks (quantum-theoretic aspects) (81P45)

Related Items (3)

Quantum discord of certain two-qubit states ⋮ Average measurement-dependent symmetric discord ⋮ Upper bounds of quantum discord for certain two-qudit states with maximally mixed marginals

Cites Work

• Classical, quantum and total correlations
• Quantum entanglement
• Quantum discord of two-qubit rank-2 states
• Quantum Discord: A Measure of the Quantumness of Correlations
• Entanglement of Formation of an Arbitrary State of Two Qubits
• Separability criteria and bounds for entanglement measures

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