%0 Journal Article %A Wei-Chih Su and Kuan-Peng Chen and Ming-Chung Tsai and Zheng-Yao Su %D 2011 %J International Journal of Nuclear and Quantum Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 52, 2011 %T A Decomposition Method for the Bipartite Separability of Bell Diagonal States %U https://publications.waset.org/pdf/1777 %V 52 %X A new decomposition form is introduced in this report to establish a criterion for the bi-partite separability of Bell diagonal states. A such criterion takes a quadratic inequality of the coefficients of a given Bell diagonal states and can be derived via a simple algorithmic calculation of its invariants. In addition, the criterion can be extended to a quantum system of higher dimension. %P 624 - 627