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Qubit systems subject to unbalanced random telegraph noise: quantum correlations, non-Markovianity and teleportation

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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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Authors and Affiliations

  1. Quantum Technology Lab, Dipartimento di Fisica Aldo Pontremoli, Università degli Studi di Milano, 20133, Milano, Italy

    Simone Daniotti, Claudia Benedetti & Matteo G. A. Paris

Authors
  1. Simone Daniotti
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  2. Claudia Benedetti
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  3. Matteo G. A. Paris
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Corresponding author

Correspondence to Claudia Benedetti.

Additional information

Contribution to the Topical Issue “Quantum Correlations”, edited by Marco Genovese, Vahid Karimipour, Sergei Kulik, and Olivier Pfister.

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Daniotti, S., Benedetti, C. & Paris, M.G.A. Qubit systems subject to unbalanced random telegraph noise: quantum correlations, non-Markovianity and teleportation. Eur. Phys. J. D 72, 208 (2018). https://doi.org/10.1140/epjd/e2018-90450-x

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  • DOI: https://doi.org/10.1140/epjd/e2018-90450-x

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