Optimal cloning for finite distributions of coherent states

Details Optimal cloning for finite distributions of coherent states Optimal cloning for finite distributions of coherent states

2003-11-18

arxiv.org/abs/quant-ph/0311114v1

Physics

Quantum Physics

15 pages RevTeX, 6 figures eps, submitted to PRA

Scientific paper

10.1103/PhysRevA.69.042313

We derive optimal cloning limits for finite Gaussian distributions of
coherent states, and describe techniques for achieving them. We discuss the
relation of these limits to state estimation and the no-cloning limit in
teleportation. A qualitatively different cloning limit is derived for a
single-quadrature Gaussian quantum cloner.

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