Decoherence and disentanglement for two qubits in a common squeezed reservoir
Decoherence and disentanglement for two qubits in a common squeezed reservoir
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DOI：
10.1103/physreva.78.042114
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发表时间：
2008-10-01
影响因子：
2.9
通讯作者：
Orszag, Miguel
中科院分区：
文献类型：
--
作者：
Hernandez, Maritza;Orszag, Miguel
我们研究了两个量子位在公共挤压浴中的纠缠突然死亡和复活与退相干之间的关系。通过“接近”退相干自由子空间，我们发现死亡时间呈现出减少和随后的增加，直到突然死亡消失并且并发渐进地达到其稳态值。
We study the relation between the sudden death and revival of the entanglement of two qubits in a common squeezed bath and the decoherence. By getting "close" to the decoherence free subspace, we show that the death time shows a decrease and subsequent increase until the sudden death disappears and the concurrence goes to its steady-state value asymptotically.