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dc.contributor.authorK. Berrada
dc.contributor.authorY. Hassouni
dc.contributor.authorEleuch, Hichem
dc.descriptionBerrada, K., Hassouni, Y., & Eleuch, H. (2011). Degree of entanglement and violation of bell inequality by two-spin-1/2 states. Communications in Theoretical Physics, 56(4), 679.en_US
dc.description.abstractBell inequality is violated by the quantum mechanical predictions made from an entangled state of the composite system. In this paper we examine this inequality and entanglement measures in the construction of the coherent states for two-qubit pure and mixed states. we find a link to some entanglement measures through some new parameters (amplitudes of coherent states). Conditions for maximal entanglement and separability are then established for both pure and mixed states. Finally, we analyze and compare the violation of Bell inequality for a class of mixed states with the degree of entanglement by applying the formalism of Horodecki et al.en_US
dc.publisherChinese Physical Society and IOP Publishing Ltden_US
dc.subjectBell Inequalityen_US
dc.subjectCoherent Statesen_US
dc.subjectPure and Mixed Statesen_US
dc.titleDegree of Entanglement and Violation of Bell Inequality by Two-Spin-1/2 Statesen_US

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