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Continuous variable entanglement swapping

By R. E. S. Polkinghorne and T. C. Ralph


We investigate the efficacy with which polarization entanglement can be teleported using a continuous measurement scheme. We show that by using the correct gain for the classical channel the degree of violation of locality that can be demonstrated (using a CH-type inequality) is not a function of the level of entanglement squeezing used in the teleportation. This is possible because a gain condition can always be chosen such that passage through the teleporter is equivalent to pure attenuation of the input field

Topics: Physics, Multidisciplinary, Physics, PHYSICS, MULTIDISCIPLINARY
Publisher: American Physical Society
Year: 1999
DOI identifier: 10.1103/PhysRevLett.83.2095
OAI identifier:

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