Bounds for Non-Locality Distillation Protocols

Details Bounds for Non-Locality Distillation Protocols Bounds for Non-Locality Distillation Protocols

2011-05-06

arxiv.org/abs/1105.1357v2

Phys. Rev. A 83, 062114 (2011)

Physics

Quantum Physics

8 pages, 3 figures; small changes in introduction and application section due to the exact verification of distillation bounds

Scientific paper

10.1103/PhysRevA.83.062114

Non-locality can be quantified by the violation of a Bell inequality. Since this violation may be amplified by local operations an alternative measure has been proposed - distillable non-locality. The alternative measure is difficult to calculate exactly due to the double exponential growth of the parameter space. In this article we give a way to bound the distillable non-locality of a resource by the solutions to a related optimization problem. Our upper bounds are exponentially easier to compute than the exact value and are shown to be meaningful in general and tight in some cases.

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