Low dimensional bound entanglement with one-way distillable cryptographic key

Details Low dimensional bound entanglement with one-way distillable cryptographic key Low dimensional bound entanglement with one-way distillable cryptographic key

2005-06-24

arxiv.org/abs/quant-ph/0506203v1

IEEE Trans. Inf. Theory 54, 2621 (2008)

Physics

Quantum Physics

5 pages, ReVTex4

Scientific paper

10.1109/TIT.2008.921709

We provide a class of bound entangled states that have positive distillable secure key rate. The smallest state of this kind is $4 \otimes 4$, which shows that peculiar security contained in bound entangled states does not need high dimensional systems. We show, that for these states a positive key rate can be obtained by {\it one-way} Devetak-Winter protocol. Subsequently the volume of bound entangled key-distillable states in arbitrary dimension is shown to be nonzero. We provide a scheme of verification of cryptographic quality of experimentally prepared state in terms of local observables. Proposed set of 7 collective settings is proven to be optimal in number of settings.

Affiliated with

Also associated with

No associations

Rating

Low dimensional bound entanglement with one-way distillable cryptographic key does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Low dimensional bound entanglement with one-way distillable cryptographic key, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low dimensional bound entanglement with one-way distillable cryptographic key will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-581671