Manipulation of Quantum Information Transferring for Two-level Atoms Injected with Different Time Order in High-Q Cavity

Yan Li; Yu Jia-li; GE Guo-qin

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Manipulation of Quantum Information Transferring for Two-level Atoms Injected with Different Time Order in High-Q Cavity

更新时间：2026-05-27

- Manipulation of Quantum Information Transferring for Two-level Atoms Injected with Different Time Order in High-Q Cavity
- Vol. 25, Issue 3, Pages: 1-5(2008)
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- Online First：01 July 2008，
  
  Published：2008
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颜莉, 喻佳丽, 葛国勤. 高Q值腔中有时序差注入的二能级原子的量子信息传递的操纵[J]. 广东工业大学学报, 2008, 25(3): 1-5.

Yan Li, Yu Jia-li, GE Guo-qin. Manipulation of Quantum Information Transferring for Two-level Atoms Injected with Different Time Order in High-Q Cavity[J]. 2008, 25(3): 1-5.
颜莉, 喻佳丽, 葛国勤. 高Q值腔中有时序差注入的二能级原子的量子信息传递的操纵[J]. 广东工业大学学报, 2008, 25(3): 1-5. DOI：

Yan Li, Yu Jia-li, GE Guo-qin. Manipulation of Quantum Information Transferring for Two-level Atoms Injected with Different Time Order in High-Q Cavity[J]. 2008, 25(3): 1-5. DOI：

摘要

在高Q值腔中

原子与光场发生强相互作用

腔中的光子、原子作为信息的载体在耦合过程中所携带的信息随时间不断变化

从而实现量子信息的传递.参考Haroche研究小组的原子在超导微腔中的实验

利用J-C模型和包括系统耗散的Master方程

借助于数值计算方法

求解了系统中原子的约化密度矩阵元的微分方程组

并给出了原子基态的密度矩阵元随时间演化的曲线.研究了当原子的注入有时序差时

腔场的损耗对原子基态密度矩阵演化的影响.研究结果表明对两个顺序注入的原子

通过对第2个原子的注入时刻的调控

能够操控第1个原子通过腔场传递给第2个原子的量子信息

从而有效地实现对原子的量子信息传递的操纵. 更多还原

Abstract

The system of two atoms at different injection time coupled with the cavity field is studied.Starting from the J-C Model and Master equation involving the both cavity and atomic dissipations

a set of differential equations for reduced density matrix of atom and field respectively was derived and numerically solved.To obtain the atomic evolutions of lower energy level

the experimental parameters of Haroche’s group in high-Q superconductive microwave cavity were refened to.It is found that the evo...

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