Bell inequalities classifying biseparable three-qubit states

Bao-Zhi Sun and Shao-Ming Fei
Phys. Rev. A 74, 032335 – Published 29 September 2006
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    Abstract

    We present a set of Bell inequalities that gives rise to a finer classification of the entanglement for tripartite systems. These inequalities distinguish three possible biseparable entanglements for three-qubit states. The three Bell operators we employed constitute an external sphere of the separable cube.

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    • Received 7 July 2006

    DOI:https://doi.org/10.1103/PhysRevA.74.032335

    ©2006 American Physical Society

    Authors & Affiliations

    Bao-Zhi Sun1,2 and Shao-Ming Fei1,3

    • 1Department of Mathematics, QuFu Normal University, Shandong 273165, People’s Republic of China
    • 2Department of Mathematics, Capital Normal University, Beijing 100037, People’s Republic of China
    • 3Institut für Angewandte Mathematik, Universität Bonn, D-53115, Germany

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    Vol. 74, Iss. 3 — September 2006

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