2008/06/30 by Zbigniew Walczak
Computer Science · Mathematics · Physics and Astronomy · #Bipartite graph #Coherent information #Computer science #Conditional mutual information #Data mining #Discrete mathematics #Interaction information #Mathematics #Measure (data warehouse) #Mutual information #Open quantum system #Physics #Pointwise mutual information #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum channel #Quantum discord #Quantum information #Quantum mechanics #Quantum mutual information #Quantum state #Statistical physics #Statistics #Total correlation #quant-ph
paper · pdf · doi:10.1016/j.physleta.2009.03.047
published as Physics Letters A 373 (2009) 1818-1822 · 6 pages, 3 figures, published version
openalex publication_date 2009/03/26 · arxiv created 2012/11/15 · arxiv updated 2012/11/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
In quantum information theory it is generally accepted that quantum mutual information is an information-theoretic measure of total correlations of a bipartite quantum state. We argue that there exist quantum states for which quantum mutual information cannot be considered as a measure of total correlations. Moreover, for these states we propose a different way of quantifying total correlations.