Local Indistinguishability and Possibility of Hiding cbits in Activable Bound Entangled States
arXiv:0711.0475 · doi:10.1016/j.physleta.2007.01.030
Abstract
In this letter we prove local indistinguishability of four orthogonal activable bound entangled states shared among even number of parties. All reduced density matrices of such states are maximally mixed. We further proceed to establish a multipartite quantum data hiding scheme on those states and explore its power and limitations.
10 pages, no figure, latex, final version
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