Qubit systems subject to unbalanced random telegraph noise: quantum correlations, non-Markovianity and teleportation★
Quantum Technology Lab, Dipartimento di Fisica Aldo Pontremoli, Università degli Studi di Milano,
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Received in final form: 11 October 2018
Published online: 4 December 2018
We address the dynamics of quantum correlations in a two-qubit system subject to unbalanced random telegraph noise (RTN) and discuss in details the similarities and the differences with the balanced case. We also evaluate quantum non-Markovianity of the dynamical map. Finally, we discuss the effects of unbalanced RTN on teleportation, showing that noise imbalance mitigates decoherence and preserves teleportation fidelity.
© EDP Sciences / Società Italiana di Fisica / Springer-Verlag GmbH Germany, part of Springer Nature, 2018