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|Title:||Coherent and incoherent contents of correlations||Authors:||Modi, K.
Geometry of states
|Issue Date:||30-Jan-2013||Citation:||Modi, K., Gu, M. (2013-01-30). Coherent and incoherent contents of correlations. International Journal of Modern Physics B 27 (1-3) : -. ScholarBank@NUS Repository. https://doi.org/10.1142/S0217979213450276||Abstract:||We examine bipartite and multipartite correlations within the construct of unitary orbits. We show that the set of product states is a very small subset of set of all possible states, while all unitary orbits contain classically correlated states. Using this we give meaning to degeneration of quantum correlations due to a unitary interactions, which we call coherent correlations. The remaining classical correlations are called incoherent correlations and quantified in terms of the distance of the joint probability distributions to its marginals. Finally, we look at how entanglement looks in this picture for the two-qubit case. © 2013 World Scientific Publishing Company.||Source Title:||International Journal of Modern Physics B||URI:||http://scholarbank.nus.edu.sg/handle/10635/116265||ISSN:||02179792||DOI:||10.1142/S0217979213450276|
|Appears in Collections:||Staff Publications|
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