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Spin-star environment assisted entanglement generations in weakly coupled bipartite systems |
| Gen-Fang Wang1,Jian-Mei Lu1,Lin-Cheng Wang2 |
1. Dalian University of Technology
2. 大连理工大学, 物理与光电工程学院
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Abstract We study entanglement evolutions in weakly coupled bipartite systems
with large energy level difference under the influence of spin-star environments, where each subsystem coupled to a pure state or thermal equilibrium state spin-star environment. Our results show that, in the case of the coupling strength less than the energy level difference of subsystem (weakly coupled), the spin-star environment can always be used to assist the entanglement generation of the bipartite system.
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Received: 13 August 2013
Revised: 16 October 2013
Accepted manuscript online:
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Corresponding Authors:
Lin-Cheng Wang
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Cite this article:
Gen-Fang Wang Jian-Mei Lu Lin-Cheng Wang Spin-star environment assisted entanglement generations in weakly coupled bipartite systems Chin. Phys. B 0
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