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SUMMARY:Noise effects and non-Markovianity in an otherwise perfect transfe
 r protocol - Fabio Benatti (University of Trieste)
DTSTART:20130314T141500Z
DTEND:20130314T151500Z
UID:TALK42851@talks.cam.ac.uk
CONTACT:William Matthews
DESCRIPTION:It will be shown how stochastic perturbations in certain param
 eters of a perfect transfer protocol of a qubit along a chain can affect t
 he fidelity of the operation\, in particular in the presence of memory eff
 ects.\nWe will show that the insertion of noise into the protocol gives ri
 se 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.
LOCATION:MR13\, Centre for Mathematical Sciences
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