期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
卷 27, 期 1-3, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979213450537
关键词
Open quantum systems; dynamics of quantum correlations; non-Markovian environments
资金
- Finnish Cultural Foundation (Science Workshop on Entanglement)
- Emil Aaltonen Foundation (Non-Markovian Quantum Information)
- EP-SRC [EP/J016349/1]
- EPSRC [EP/J016349/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J016349/1] Funding Source: researchfish
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.
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