Proper monogamy inequality for arbitrary pure quantum states (4 pages)

@inproceedings{Ou2008ProperMI,
  title={Proper monogamy inequality for arbitrary pure quantum states (4 pages)},
  author={Yong-Cheng Ou and Heng Fan and Shao-Ming Fei},
  year={2008}
}
We provide a detailed proof of an analytical lower bound of entanglement quantified by concurrence for arbitrary bipartite quantum states. It is shown that though the bound does not allow one to detect bound entanglement, it is tight for some mixed states and can detect most of the free entanglement. On the other hand, it is known that the entanglement monogamy inequality proposed by Coffman, Kundu, and Wootters is, in general, not true for higher-dimensional quantum states. Inducing from the… CONTINUE READING

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