Dynamics of quantum correlations in two-qubit systems within non-Markovian environments

Rosario Lo Franco, Bruno Bellomo, Giuseppe Compagno, Sabrina Maniscalco, Bruno Bellomo

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209 Citazioni (Scopus)


Knowledge of the dynamical behavior of correlations with no classical counterpart, like entanglement, nonlocal correlations and quantum discord, in open quantum systems is of primary interest because of the possibility to exploit these correlations for quantum information tasks. Here we review some of the most recent results on the dynamics of correlations in bipartite systems embedded in non-Markovian environments that, with their memory effects, influence in a relevant way the system dynamics and appear to be more fundamental than the Markovian ones for practical purposes. Firstly, we review the phenomenon of entanglement revivals in a two-qubit system for both independent environments and a common environment. We then consider the dynamics of quantum discord in non-Markovian dephasing channel and briefly discuss the occurrence of revivals of quantum correlations in classical environments.
Lingua originaleEnglish
pagine (da-a)1345053-1345072
Numero di pagine20
RivistaInternational Journal of Modern Physics B
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

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