Detection of high-dimensional genuine multi-partite entanglement of mixed states

Details Detection of high-dimensional genuine multi-partite entanglement of mixed states Detection of high-dimensional genuine multi-partite entanglement of mixed states

2009-12-09

arxiv.org/abs/0912.1870v2

Phys. Rev. Lett. 104, 210501 (2010)

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

We derive a general framework to identify genuinely multipartite entangled mixed quantum states in arbitrary-dimensional systems and show in exemplary cases that the constructed criteria are stronger than those previously known. Our criteria are simple functions of the given quantum state and detect genuine multipartite entanglement that had not been identified so far. They are experimentally accessible without quantum state tomography and are easily computable as no optimization or eigenvalue evaluation is needed.

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