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quant-ph2000
On the Number of Elements Needed in a POVM Attaining the Accessible Information
Peter W. Shor
We investigate a symmetric set of three quantum states in three dimensions having interesting properties, which we call the lifted trine states. We show that for the ensemble consi…
quant-ph2000
Superactivation of Bound Entanglement
Peter W. Shor, John A. Smolin, Ashish V. Thapliyal
We show that, in a multi-party setting, two non-distillable (bound-entangled) states tensored together can make a distillable state. This is an example of true superadditivity of d…