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On the correlations between quantum entanglement and q-information measures

AuthorsBatle, Josep; Casas, Montserrat ; Plastino, Ángel R.
Issue Date2003
CitationPhysics Letters A 318: 506-513 (2003)
Abstractn the present Letter we revisit the application of the q-informationmeasuresRq of Rényi and Sq of Tsallis to the discussion of special features of two qubits systems. More specifically, we study the correlations between the q-informationmeasures and the entanglement of formation of a general (pure or mixed) state ρ describing a system of two qubits. The analysis uses a Monte Carlo procedure involving the 15-dimensional 2-qubits space of pure and mixed states, under the assumption that these states are uniformly distributed according to the product measure recently introduced by Zyczkowski et al.
DescriptionPACS: 03.67.-a; 89.70.+c; 03.65.Bz. Texto completo arXiv:quant-ph/0302143v1
Publisher version (URL)http://dx.doi.org/10.1016/j.physleta.2003.09.059
Appears in Collections:(IMEDEA) Artículos
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