Entanglement redistribution in the Schwarzschild spacetime |
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Authors: | Jieci Wang Qiyuan Pan Jiliang Jing |
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Affiliation: | 1. Institute of Physics and Department of Physics, Hunan Normal University, Changsha, Hunan 410081, PR China;2. Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Hunan Normal University, Changsha, Hunan 410081, PR China |
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Abstract: | The effect of Hawking radiation on the redistribution of the entanglement and mutual information in the Schwarzschild spacetime is investigated. Our analysis shows that the physically accessible correlations degrade while the unaccessible correlations increase as the Hawking temperature increases because the initial correlations described by inertial observers are redistributed between all the bipartite modes. It is interesting to note that, in the limit case that the temperature tends to infinity, the accessible mutual information equals to just half of its initial value, and the unaccessible mutual information between mode A and II also equals to the same value. |
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Keywords: | Entanglement redistribution Hawking radiation Schwarzschild black hole |
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