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On total correlations in a bipartite quantum joint probability distribution

Quantum Physics 2014-12-17 v3

Abstract

We discuss the problem of separating the total correlations in a given quantum joint probability distribution into nonlocality, contextuality and classical correlations. Bell discord and Mermin discord which qunatify nonlocality and contextuality of quantum correlations are interpreted as distance measures in the nonsignaling polytope. A measure of total correlations is introduced to divide the total amount of correlations into a purely nonclassical part and a classical part. We show that quantum correlations satisfy additivity relations among these three measures.

Keywords

Cite

@article{arxiv.1410.1472,
  title  = {On total correlations in a bipartite quantum joint probability distribution},
  author = {C. Jebarathinam},
  journal= {arXiv preprint arXiv:1410.1472},
  year   = {2014}
}

Comments

Revised version, 8 pages, RevTeX 4-1, all comments are welcome. arXiv admin note: text overlap with arXiv:1407.3170

R2 v1 2026-06-22T06:14:17.346Z