Approximate transformations and robust manipulation of bipartite pure state entanglement
arXiv:quant-ph/9910099 · doi:10.1103/PhysRevA.62.012304
Abstract
We analyze approximate transformations of pure entangled quantum states by local operations and classical communication, finding explicit conversion strategies which optimize the fidelity of transformation. These results allow us to determine the most faithful teleportation strategy via an initially shared partially entangled pure state. They also show that procedures for entanglement manipulation such as entanglement catalysis [Jonathan and Plenio, Phys. Rev. Lett. 83, 3566 (1999)] are robust against perturbation of the states involved, and motivate the notion of non-local fidelity, which quantifies the difference in the entangled properties of two quantum states.
11 pages, 4 figures
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Cited by in corpus (87)
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