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Tensor-product states and local indistinguishability: An optical linear implementation

  • Authors: Carollo A.; Palma G.M.; Simon C.; Zeilinger A.
  • Publication year: 2000
  • Type: Contributo in atti di convegno pubblicato in volume
  • OA Link:


In this paper we investigate the properties of distinguishability of an orthogonal set of product states of two three level particle system by a simple class of joint measures. Here we confine ourselves to a system of analysis built up of linear elements, such as beam splitters and phase shifters, delay lines, electronically switched linear devices and auxiliary photons. We present here the impossibility of realization of a perfect never falling analyzer with this tools.