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Paper   IPM / Physic / 11497
School of Physics
  Title:   Hardy's Argument and Successive Spin-s Measurements
  Author(s):  A. Ahanj
  Status:   Published
  Journal: Phys. Rev. A
  Vol.:  82
  Year:  2010
  Pages:   012101
  Supported by:  IPM
We consider a hidden-variable theoretic description of successive measurements of noncommuting spin observables on an input spin-s state. In this scenario, the hidden-variable theory leads to a Hardy-type argument that quantum predictions violate it. We show that the maximum probability of success of Hardy?s argument in quantum theory is ([1/2])4s, which is more than in the spatial case.

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