Abstract
In this article, we investigate the dynamics of quantum correlation and coherence for two atoms interacting with massless scalar field in the background de Sitter spacetime. We firstly analyze the solving process of master equation that describes the system evolution with initial Werner state. Then, we discuss the degradation, generation, revival and enhancement of quantum correlation and coherence for three cases of different initial states: zero correlation state, nonzero correlation separable state and maximally entangled state.
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Acknowledgements
This work was supported by the Science Foundation for Young Teachers of Wuyi University (Grant No. 2015zk01), the Doctoral Research Foundation of Wuyi University (2017BS07), the Doctoral Research Foundation of Wuyi University (2016BS02), the Natural Science Foundation of Qiannan Normal College for Nationalities joint Guizhou Province of China (Grant No. Qian-Ke-He LH Zi[2015]7719), and the Natural Science Foundation of Central Government Special Fund for Universities of West China (Grant No. 2014ZCSX17).
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Huang, Z. Dynamics of quantum correlation and coherence in de Sitter universe. Quantum Inf Process 16, 207 (2017). https://doi.org/10.1007/s11128-017-1659-y
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DOI: https://doi.org/10.1007/s11128-017-1659-y