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Nonadditivity of bipartite distillable entanglement follows from a conjecture on bound entangled Werner states | P W Shor
; J A Smolin
; B M Terhal
; | Date: |
19 Mar 2001 | Journal: | Phys Rev Lett, 86 (12), 2681-4 | Abstract: | Assuming the validity of a conjecture given by DiVincenzo et al. [Phys. Rev. A 61, 062312 (2000)] and by Dür et al. [Phys. Rev. A 61, 062313 (2000)], we show that the distillable entanglement for two bipartite states, each of which individually has zero distillable entanglement, can be nonzero. We show that this also implies that the distillable entanglement is not a convex function. Our example consists of the tensor product of a bound entangled state based on an unextendible product basis with an entangled Werner state which lies in the class of conjectured undistillable states. | Source: | PubMed, pmid11290010 | Services: | Forum | Review | Favorites |
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