arXiv:1610.08146 [quant-ph]AbstractReferencesReviewsResources
von Neumann measurement-related matrices and the nullity condition for quantum correlation
Ming-Jing Zhao, Teng Ma, Ting-Gui Zhang, Shao-Ming Fei
Published 2016-10-26Version 1
We study von Neumann measurement-related matrices, and the nullity condition of quantum correlation. We investigate the properties of these matrices that are related to a von Neumann measurement. It is shown that these (m^2-1)* (m^2-1) matrices are idempotent, and have rank m-1. These properties give rise to necessary conditions for the nullity of quantum correlations in bipartite systems. Finally, as an example we discuss quantum correlation in Bell diagonal states.
Journal: Sci. China-Phys. Mech. Astron. 59, 120313 (2016)
Categories: quant-ph
Keywords: quantum correlation, nullity condition, study von neumann measurement-related matrices, bell diagonal states, properties
Tags: journal article
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