A note on bound entanglement and local realism

Details A note on bound entanglement and local realism A note on bound entanglement and local realism

2001-07-31

arxiv.org/abs/quant-ph/0107154v1

Physics

Quantum Physics

5 pages

Scientific paper

10.1103/PhysRevA.65.032107

We show using a numerical approach that gives necessary and sufficient conditions for the existence of local realism, that the bound entangled state presented in Bennett et. al. Phys. Rev. Lett. 82, 5385 (1999) admits a local and realistic description. We also find the lowest possible amount of some appropriate entangled state that must be ad-mixed to the bound entangled state so that the resulting density operator has no local and realistic description and as such can be useful in quantum communication and quantum computation.

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