Remote information concentration by GHZ state and by bound entangled state
arXiv:quant-ph/0212021 · doi:10.1103/PhysRevA.68.024303
Abstract
We compare remote information concentration by a maximally entangled GHZ state with by an unlockable bound entangled state. We find that the bound entangled state is as useful as the GHZ state, even do better than the GHZ state in the context of communication security.
4 pages,1 figure
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- Many-to-one remote information concentration for qudits and multipartite entanglement