Entanglement Dynamics of Multipartite Systems Under Decoherence from a Spin Environment |
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| Authors: | XIE;Guo-Qiu;WANG;An-Min;MA;Xiao-San |
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| Institution: | 1. Department of Modern Physics, University of
Science and Technology of China, Hefei 230026, China
;2. Department of Electronic Information and
Engineering, Huangshan University, Huangshan 245000, China |
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| Abstract: | The entanglement evolution of multipartite quantum states under a spin environment is analyzed. Due to interaction, the extent to which the entanglement vanishes depends not only on the size of system and the structure of quantum states, but also on the exchange couplings with environment. The decoherence-free subspaces have been identified by using the linear entropy. |
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| Keywords: | entanglement dynamics decoherence a spin environment |
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