Stochastic resonance for quantum channels

Details Stochastic resonance for quantum channels Stochastic resonance for quantum channels

1999-03-17

arxiv.org/abs/quant-ph/9903062v1

Phys.Rev.E59:2801-2803,1999

Physics

Quantum Physics

3 pages, 4 figures, RevTeX

Scientific paper

10.1103/PhysRevE.59.2801

The concept of stochastic resonance in nonlinear dynamics is applied to
interpret the capacity of noisy quantum channels. The two-Pauli channel is used
to illustrate the idea. The fidelity of the channel is also considered. Noise
enhancement is found for the fidelity but not for the capacity.

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