Geometric discord for multiqubit systems

DOI10.1007/s11128-022-03581-yOpenAlexW3159715720WikidataQ114223652 ScholiaQ114223652MaRDI QIDQ2101548

Zhi-Xi Wang, Bo Li, Chen-Lu Zhu, Bin Hu, Shao-Ming Fei

Publication date: 6 December 2022

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

Full work available at URL: https://arxiv.org/abs/2104.12344

zbMATH Keywords

quantum discordgeometric discordsudden change

Mathematics Subject Classification ID

Quantum coherence, entanglement, quantum correlations (81P40) Quantum information, communication, networks (quantum-theoretic aspects) (81P45) Quantum discord (81P43)

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Geometric discord of GHZ state under decoherence

Cites Work

• Geometric interpretation of the geometric discord
• Two-qubit trace-norm geometric discord: the complete solution
• Classical, quantum and total correlations
• Quantum correlations in a system of nuclears= 1/2 spins in a strong magnetic field
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• Quantum Discord: A Measure of the Quantumness of Correlations
• Necessary and Sufficient Condition for Nonzero Quantum Discord
• Geometric measure of quantum discord
• SUDDEN CHANGE OF QUANTUM DISCORD UNDER SINGLE QUBIT NOISE