Maximal violation of Bell's inequalities for continuous variable systems.

@article{Chen2002MaximalVO,
  title={Maximal violation of Bell's inequalities for continuous variable systems.},
  author={Z. W. Chen and Jian-Wei Pan and Guang Feng Hou and Yong-de Zhang},
  journal={Physical review letters},
  year={2002},
  volume={88 4},
  pages={040406}
}
We generalize Bell's inequalities to biparty systems with continuous quantum variables. This is achieved by introducing the Bell operator in perfect analogy to the usual spin- 1/2 systems. It is then demonstrated that two-mode squeezed vacuum states display quantum nonlocality by using the generalized Bell operator. In particular, the original Einstein-Podolsky-Rosen states, which are the limiting case of the two-mode squeezed vacuum states, can maximally violate Bell's inequality due to… CONTINUE READING
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