Continuous variable noise-free states in correlated quantum noisy channels

Details Continuous variable noise-free states in correlated quantum noisy channels Continuous variable noise-free states in correlated quantum noisy channels

2004-09-17

arxiv.org/abs/quant-ph/0409110v1

Physics

Quantum Physics

revtex4, no figures, The Seventh International Conference on Quantum Communication, Measurement and Computing, Glasgow, UK, fr

Scientific paper

10.1063/1.1834376

We explicitly compute the evolution of the density operator of a two-mode
electromagnetic field when the influence of the thermal fluctuation of the
vacuum is common for both modes. From this result, we give an example in which
the bundle of quantum noisy channels turns out to be noiseless for the special
type of signal states due to the correlation.

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