Decompositions of n-Partite Nonsignaling Correlation-Type Tensors With Applications
نویسندگان
چکیده
When an n -partite physical system is measured by observers, the joint probabilities of outcomes conditioned on observables chosen parties form a nonnegative tensor, called correlation tensor (CT). In this paper, we aim to establish some characterizations nonsignaling and Bell locality CT, respectively. By placing CTs within linear space correlation-type tensors (CTTs), prove that every CTT can be decomposed as combination all local deterministic using single-value decomposition matrices mathematical induction. As consequence, CT (resp. local) if only it written quasi-convex convex) outer products CTs, implying has hidden variable model governed quasi-probability distribution. application these results, two ones, revealing close relationship between ones.
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ژورنال
عنوان ژورنال: Frontiers in Physics
سال: 2022
ISSN: ['2296-424X']
DOI: https://doi.org/10.3389/fphy.2022.864452