Effect of decoherence from a spin environment on the entanglement dynamics of two-qutrit states

被引：0
|
作者：
XiaoSan Ma
MingFan Ren
GuangXing Zhao
AnMin Wang
机构：
[1] Anhui University of Technology,School of Electric Engineering and Information
[2] University of Science and Technology of China,Department of Modern Physics
来源：
Science China Physics, Mechanics and Astronomy | 2011年 / 54卷
关键词：
entanglement dynamics; quantum decoherence; a spin environment;
D O I：
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中图分类号：
学科分类号：
摘要：
The entanglement dynamics of a two-qutrit system under decoherence from a spin environment is investigated by using negativity as entanglement measure. Our results imply that the entanglement evolution depends not only on the coupling strength and the tunneling elements of the environment but also on the number of the freedom degrees and the initial state of the environment.
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