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Optimized Measures of Bipartite Quantum Correlation

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Publication:5123942

DOI10.1109/TIT.2020.2964170zbMATH Open1448.81113arXiv1906.10150MaRDI QIDQ5123942

Author name not available (Why is that?)

Publication date: 29 September 2020

Published in: (Search for Journal in Brave)

Abstract: How can we characterize different types of correlation between quantum systems? Since correlations cannot be generated locally, we take any real function of a multipartite state which cannot increase under local operations to measure a correlation. Correlation measures that can be expressed as an optimization of a linear combination of entropies are particularly useful, since they can often be interpreted operationally. We systematically study such optimized linear entropic functions, and by enforcing monotonicity under local processing we identify four cones of correlation measures for bipartite quantum states. This yields two new optimized measures of bipartite quantum correlation that are particularly simple, which have the additional property of being additive.


Full work available at URL: https://arxiv.org/abs/1906.10150




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