Quantum Entanglement in a Structured Reservoir |
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Authors: | Bing Wang Shao-hua Xu Yao-hua Meng |
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Institution: | 1. School of Computer and Information Technology, Northeast Petroleum University, Daqing, 163318, China 2. Communication Research Center, Harbin Institute of Technology, Harbin, 150001, China
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Abstract: | We study the entanglement dynamics of two-level atoms interacting in independent structured non-Markovian reservoirs. The atoms are initially prepared in a pure W state and the reservoir is in the vacuum. We have shown that the degree of entanglement of the initial states, Markovian environments can control the time of the two qubit entanglement sudden death and the reservoirs’ entanglement sudden birth. We show the dependence of entanglement dynamics on the non-Markovianity. When the initial state of atoms is in a pure W state, the entanglement will decay asymptotically. |
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