Local Indistinguishability and Possibility of Hiding cbits in Activable Bound Entangled States

Details Local Indistinguishability and Possibility of Hiding cbits in Activable Bound Entangled States Local Indistinguishability and Possibility of Hiding cbits in Activable Bound Entangled States

2007-11-03

arxiv.org/abs/0711.0475v1

Physics Letters A, 365 (2007) 273-277

Physics

Quantum Physics

10 pages, no figure, latex, final version

Scientific paper

10.1016/j.physleta.2007.01.030

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.

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