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Paper   IPM / Physic / 6693
School of Physics
  Title:   Single-Particle Bell-Type Inequality
1.  A. Shafiee
2.  M. Golshani
  Status:   Published
  Journal: Annales de la Foundation Louis de Broglie
  No.:  81
  Vol.:  28
  Year:  2003
  Pages:   105-118
  Supported by:  IPM
It is generally believed that Bell's inequality holds for the case of entangled states, including two correlated particles or special states of a single particle. Here, we derive a single-particle Bell's inequality for two correlated spin states at two successive times, appealing to the statistical independence condition in an ideal experiment, for a locally causal hidden variables theory. We show that regardless of the locality assumption, the inequality can be violated by some quantum predictions.

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