Chin. Phys. Lett.  2011, Vol. 28 Issue (12): 120302    DOI: 10.1088/0256-307X/28/12/120302
GENERAL |
Non-Markovian Dynamics of Quantum and Classical Correlations in the Presence of System-Bath Coherence
LI Chuan-Feng**, WANG Hao-Tian, YUAN Hong-Yuan, GE Rong-Chun, GUO Guang-Can
Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026
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LI Chuan-Feng, WANG Hao-Tian, YUAN Hong-Yuan et al  2011 Chin. Phys. Lett. 28 120302
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Abstract We present a detailed study on the dynamics of two-qubit correlations in non-Markovian environments, applying the hierarchy equations approach. This treatment is free from the limitation of perturbative, Markovian or rotating wave approximations. It is shown that crossovers and sudden changes in the classical and quantum correlations can appear when the strength of the interaction between qubits is gradually reduced. For some special initial states, there are even sudden transitions between the classical and quantum correlations.
Keywords: 03.65.Ta      03.65.Yz     
Received: 22 June 2011      Published: 29 November 2011
PACS:  03.65.Ta (Foundations of quantum mechanics; measurement theory)  
  03.65.Yz (Decoherence; open systems; quantum statistical methods)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/12/120302       OR      https://cpl.iphy.ac.cn/Y2011/V28/I12/120302
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LI Chuan-Feng
WANG Hao-Tian
YUAN Hong-Yuan
GE Rong-Chun
GUO Guang-Can
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