Progress on quantum discord of two-qubit states: optimization and upper bound

DOI10.1007/s10773-014-2200-zzbMath1315.81020arXiv1304.3914OpenAlexW3103128126WikidataQ62048880 ScholiaQ62048880MaRDI QIDQ2348632

Hamidreza Mohammadi, Seyed Javad Akhtarshenas, Vahid Nassajpour, Fahimeh S. Mousavi

Publication date: 15 June 2015

Published in: International Journal of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1304.3914

zbMATH Keywords

conditional entropyquantum discordtwo-qubit states

Mathematics Subject Classification ID

Quantum coherence, entanglement, quantum correlations (81P40)

Related Items (4)

Revealing quantum correlation by negativity of the Wigner function ⋮ Quantum coherence of two-qubit over quantum channels with memory ⋮ Measuring quantum discord using the most distinguishable steered states ⋮ Analytical expression of genuine tripartite quantum discord for symmetrical X-states

Cites Work

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• Classical, quantum and total correlations
• Quantum discord of two-qubit rank-2 states
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• Quantum Discord: A Measure of the Quantumness of Correlations
• Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?
• [https://portal.mardi4nfdi.de/wiki/Publication:5762040 Die gegenw�rtige Situation in der Quantenmechanik]

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