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Entanglement Detection and Distillation for Arbitrary Bipartite Systems
Ming-Jing Zhao, Ting-Gui Zhang, Xianqing Li-Jost and Shao-Ming Fei
We present an inequality for detecting entanglement and distillability of arbitrary dimensional bipartite systems. This inequality provides a sufficient condition of entanglement for bipartite mixed states, and a necessary and sufficient condition of entanglement for bipartite pure states. Moreover, the inequality also gives a necessary and sufficient condition for distillability.