Sudden Death of Entanglement between Two Atoms with Initial Tripartite Entangled State in the Tavis--Cummings Model |
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| Authors: | YANG Qing YANG Ming CAO Zhuo-Liang |
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| Institution: | Key Laboratory of Opto-electronic Information Acquisition and Manipulation (Ministry of Education), School of Physics and Material Science, Anhui University, Hefei 230039Department of Physics, Hefei Teachers College, Hefei 230061 |
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| Abstract: | We study the entanglement dynamics of two atoms with initial tripartite entangled W-like state in the Tavis-Cummings model. We find that the entanglement evolvement is sensitive not only to the entanglement degree of the initial state but also to the concrete form of the initial state. The so-called sudden death effect occurs only for some initial states. |
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| Keywords: | 03 65 03" target="_blank">Yz')">03 65 Yz 03 65 Ud 03" target="_blank">')"> 03 67 Mn |
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