Quantum versus classical domains for teleportation with continuous variables

  title={Quantum versus classical domains for teleportation with continuous variables},
  author={Samuel L. Braunstein and Christopher A. Fuchs and Harry J. Kimble and Peter van Loock},
  journal={Physical Review A},
By considering the utilization of a classical channel without quantum entanglement, fidelity Fclassical=1/2 has been established as setting the boundary between classical and quantum domains in the teleportation of coherent states of the electromagnetic field [S. L. Braunstein, C. A. Fuchs, and H. J. Kimble, J. Mod. Opt. 47, 267 (2000)]. We further examine the quantum-classical boundary by investigating questions of entanglement and Bell-inequality violations for the Einstein-Podolsky-Rosen… 

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