MiS Preprint Repository

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MiS Preprint

Complete Entanglement Witness for Quantum Teleportation

Ming-Jing Zhao, Shao-Ming Fei and Xianqing Li-Jost


We propose a set of linear quantum entanglement witnesses constituted by local quantum-mechanical observables with each two possible measurement outcomes. These witnesses detect all the entangled resources which give rise to a better fidelity than separable states in quantum teleportation and present both sufficient and necessary conditions in experimentally detecting the useful resources for quantum teleportation.

Aug 17, 2012
Aug 20, 2012
03.65.Ud, 03.67.Mn

Related publications

2012 Repository Open Access
Ming-Jing Zhao, Shao-Ming Fei and Xianqing Li-Jost

Complete entanglement witness for quantum teleportation

In: Physical review / A, 85 (2012) 5, p. 054301