Non-Markovianity degree for random unitary evolution

Dariusz Chruściński and Filip A. Wudarski
Phys. Rev. A 91, 012104 – Published 13 January 2015
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    Abstract

    We analyze the non-Markovianity degree for random unitary evolution of d-level quantum systems. It is shown how the non-Markovianity degree is characterized in terms of local decoherence rates. In particular we derive a sufficient condition for vanishing of the backflow of information and relate this concept to other characteristics of non-Markovianity.

    • Received 9 September 2014

    DOI:https://doi.org/10.1103/PhysRevA.91.012104

    ©2015 American Physical Society

    Authors & Affiliations

    Dariusz Chruściński and Filip A. Wudarski

    • Institute of Physics, Faculty of Physics, Astronomy and Informatics, and Nicolaus Copernicus University, Grudzia̧dzka 5/7, 87–100 Toruń, Poland

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    Vol. 91, Iss. 1 — January 2015

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