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.
Qubit systems subject to unbalanced random telegraph noise: quantum correlations, non-Markovianity and teleportation / S. Daniotti, C. Benedetti, M.G.A. Paris. - In: THE EUROPEAN PHYSICAL JOURNAL. D, ATOMIC, MOLECULAR AND OPTICAL PHYSICS. - ISSN 1434-6060. - 72:12(2018 Dec 04).
Qubit systems subject to unbalanced random telegraph noise: quantum correlations, non-Markovianity and teleportation
C. Benedetti
Secondo
;M.G.A. ParisUltimo
2018
Abstract
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.
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