研究了受经典场驱动的两个二能级原子分别与两个单模腔场相互作用模型中两原子的纠缠动力学行为.该工作主要是对经典场驱动存在的J-C模型进行研究,采用数值计算的方法,详细分析了纠缠初始状态以及经典场的驱动强度对原子纠缠和转移特性的影响.结果表明,适当调节经典场驱动强度,可以使原子的纠缠突然死亡现象得到抑制,同时实现原子与腔场间的最大转移.
参考文献
| [1] | Zhang Y,Cao W C,Long G L.Creation of entanglement with nonlocal operations[J].Commun.Theor.Phys.,2005,44(4):625-630. |
| [2] | Zhang Y J,Zhou Y,Xia Y J.The entanglement character of two entangled atoms in multiphoton Tavis-Cummings model[J].Acta Physica Sinica(物理学报),2008,57(01):21-26 (in Chinese). |
| [3] | Du M D,Fang M F,Liu X.Sudden birth of entanglement between two atoms in a double J-C model[J].Chin.Opt.Lett.,2009,7(5):443-445. |
| [4] | Li G X,Allaart K,Lenstra D.Entanglement between two atoms in an over-damped cavity injected with squeezed vacuum[J].Phys.Rev.A,2004,69(2):055802. |
| [5] | Federico C,Alfredo L,Matteo G A.Tripartite entanglement transfer from flying modes to localized qubits[J].Phys.Rev.A,2009,79(2):022307. |
| [6] | Zhang J S,Xu J B.Control of the entanglement sudden death in a strongly driven cavity QED system[J].Opt.Commun.,2009,282(13):2543-2546. |
| [7] | Zhang J S,Xu J B.Controlling entanglement sudden death and birth in cavity QED[J].Opt.Commun.,2009,282(17):3652-3655. |
| [8] | Yu T,Eberly J H.Finite-time disentanglement via spontaneous emission[J].Phys.Rev.Lett.,2004,97(14):140403. |
| [9] | Wang Z C,Shen F H,Liu C L.Sudden death and sudden birth of atomic entanglement in double Jaynes-Cummings model composed of two coupled cavities[J].Chinese Journal of Quantum Electronics(量子电子学报), 2011,28(8):65-72 (in Chinese). |
| [10] | Lu D M.Entanglement properties in the system of atoms interacting with coupled cavities[J].Acta Physica Sinica (物理学报), 2011,60(9):090302 (in Chinese). |
| [11] | Cui C C,Xie S Y,Yang Y P.The dynamic effect of a field with a time-varying frequency on the atom entanglement in a double J-C model[J].Acta Physica Sinica(物理学报),2012,61(12):124206 (in Chinese). |
| [12] | Jia R,Zhang Y J,et al.Entanglement evolution and transfer in the coupled double Tavis-Cummings model[J].Acta Optica Sinica(光学学报),2012,32(11):1127003(in Chinese). |
| [13] | Audenaert K,Plenio M B,Eisert J.Entanglement cost under positive partial transpose perserving operations[J].Phys.Rev.Lett.,2003,90(2):027901. |
| [14] | Han M,Zhang Y J,Xia Y J.Entanglement characteristics of two entangled atoms in classical driven TavisCummings model[J].Acta Optica Sinica(光学学报),2011,31(4):0427002 (in Chinese). |
| [15] | Liu Y X,Sun C P,Nori F.Scalable superconducting qubit circuits using dressed states[J].Phys.Rev.A,2006,74(5):052321. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%