Noise effects and non-Markovianity in an otherwise perfect transfer protocol

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• Fabio Benatti (University of Trieste)
• Thursday 14 March 2013, 14:15-15:15
• MR13, Centre for Mathematical Sciences.

If you have a question about this talk, please contact William Matthews.

It will be shown how stochastic perturbations in certain parameters of a perfect transfer protocol of a qubit along a chain can affect the fidelity of the operation, in particular in the presence of memory effects. We will show that the insertion of noise into the protocol gives rise to a one-parameter family of completely positive maps whose composition law reflects the presence of memory in the non-complete positivity of the intertwining maps.

This talk is part of the CQIF Seminar series.

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