paper

Entanglement swapping using continuous variables

arXiv:quant-ph/9906066 · doi:10.1103/PhysRevLett.83.2095

Abstract

We investigate the efficacy with which 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 {\it not} a function of the level of entanglement squeezing used in the teleportation. This is possible because a gain condition can always be choosen such that passage through the teleporter is equivalent to pure attenuation of the input field.

8 pages, 4 figures

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