Quantum nonlocality and beyond: limits from nonlocal computation.

@article{Linden2007QuantumNA,
  title={Quantum nonlocality and beyond: limits from nonlocal computation.},
  author={Noah Linden and Sandu Popescu and Anthony J. Short and Andreas Winter},
  journal={Physical review letters},
  year={2007},
  volume={99 18},
  pages={180502}
}
We address the problem of "nonlocal computation," in which separated parties must compute a function without any individual learning anything about the inputs. Surprisingly, entanglement provides no benefit over local classical strategies for such tasks, yet stronger nonlocal correlations allow perfect success. This provides intriguing insights into the limits of quantum information processing, the nature of quantum nonlocality, and the differences between quantum and stronger-than-quantum… CONTINUE READING

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