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The Dynamics of Quantum Correlations Between Two Atoms in Two Coupled Cavities

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Abstract

The dynamics of the quantum correlation between two atoms in two single-mode cavities is studied. For the initial Bell state |Ψ +〉, the quantum consonance is equal to the entanglement, and larger than quantum discord. For the initial Bell state |Φ +〉, the quantum consonance is larger than entanglement, but not larger than quantum discord all the time. As the increase of the cavity-cavity coupling strength, the evolution period of quantum correlation becomes smaller. Consonance is not smooth at some points while cavities are coupled with each other.

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Acknowledgement

Special thanks to Prof Li Chong and Zheng Li for helpful discussions. This work is supported by the National Nature Science Foundation of China (under Grant No. 11105021).

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Authors and Affiliations

  1. School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian, 116024, P.R. China

    Bao-Liang Cao, Ying Shi & Dong-Guang Jiang

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  1. Bao-Liang Cao
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  2. Ying Shi
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  3. Dong-Guang Jiang
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Correspondence to Bao-Liang Cao.

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Cao, BL., Shi, Y. & Jiang, DG. The Dynamics of Quantum Correlations Between Two Atoms in Two Coupled Cavities. Int J Theor Phys 53, 1920–1929 (2014). https://doi.org/10.1007/s10773-014-1996-x

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  • DOI: https://doi.org/10.1007/s10773-014-1996-x

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