Establishing quantum steerability on cavity arrays coupled by optical fibers with open boundary conditions

Establishing quantum steerability on cavity arrays coupled by optical fibers with open boundary conditions
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在具有开放边界条件的光纤耦合腔阵列上建立量子可操纵性

DOI:
10.1007/s11128-019-2204-y
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发表时间:
2019-02
影响因子:
2.5
通讯作者:
Sun Yong Tao
Sun Yong Tao
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang Ye Qi;Sun Yong Tao

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研究了具有开放边界条件的一维腔阵列系统的量子可操纵性,其中每个腔掺入一个二能级原子,并通过光纤与其相邻节点耦合。在远非共振条件下,我们得到了任意节点数阵列系统的动力学演化的显式表达式。通过研究两节点子系统的可操纵性,我们证明了远程量子可操纵性可以通过单阵列和双独立阵列来建立。此外,还考察了该模型中量子可操纵性与量子纠缠的比较。
We study quantum steerability on one-dimensional cavity array systems with open boundary conditions, where each cavity is doped with a two-level atom and coupled with its neighbor nodes by optical fibers. In the far off-resonant condition, we obtain explicit expressions for the dynamical evolution of the array system with arbitrary number of nodes. By investigating the steerable weight for two-node subsystems, we show that remote quantum steerability can be established through both single-array and double independent arrays. Moreover, comparisons between quantum steerability and quantum entanglement in this model are also examined.
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